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I want to view the WPF samples and the following exception occours

Start-URI: http://demos.telerik.com/wpf/
Anwendungsidentität: http://demos.telerik.com/wpf/#Telerik.Windows.Examples.xbap, Version=2010.1.604.35, Culture=neutral, PublicKeyToken=0000000000000000, processorArchitecture=msil/Telerik.Windows.Examples.exe, Version=2010.1.604.35, Culture=neutral, PublicKeyToken=0000000000000000, processorArchitecture=msil, type=win32

System.InvalidCastException: Die angegebene Umwandlung ist ungültig.

Server stack trace:
   bei MS.Internal.AppModel.IBrowserCallbackServices.UpdateTravelLog(Boolean addNewEntry)
   bei System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md, Object[] args, Object server, Int32 methodPtr, Boolean fExecuteInContext, Object[]& outArgs)
   bei System.Runtime.Remoting.Messaging.StackBuilderSink.PrivateProcessMessage(RuntimeMethodHandle md, Object[] args, Object server, Int32 methodPtr, Boolean fExecuteInContext, Object[]& outArgs)
   bei System.Runtime.Remoting.Messaging.StackBuilderSink.SyncProcessMessage(IMessage msg, Int32 methodPtr, Boolean fExecuteInContext)

Exception rethrown at [0]:
   bei System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
   bei System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
   bei MS.Internal.AppModel.IBrowserCallbackServices.UpdateTravelLog(Boolean addNewEntry)
   bei System.Windows.Navigation.NavigationService.CallUpdateTravelLog(Boolean addNewEntry)
   bei System.Windows.Navigation.NavigationService.UpdateJournal(NavigationMode navigationMode, JournalReason journalReason, JournalEntry destinationJournalEntry)
   bei System.Windows.Navigation.NavigationService.OnBeforeSwitchContent(Object newBP, NavigateInfo navInfo, Uri newUri)
   bei System.Windows.Navigation.NavigationService.MS.Internal.AppModel.IContentContainer.OnContentReady(ContentType contentType, Object bp, Uri bpu, Object navState)
   bei System.Windows.Navigation.NavigationService.DoNavigate(Object bp, NavigationMode navFlags, Object navState)
   bei System.Windows.Navigation.NavigateQueueItem.Dispatch(Object obj)
   bei System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Boolean isSingleParameter)
   bei System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)
   bei System.Windows.Threading.Dispatcher.WrappedInvoke(Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)
   bei System.Windows.Threading.DispatcherOperation.InvokeImpl()
   bei System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   bei System.Threading.ExecutionContext.runTryCode(Object userData)
   bei System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
   bei System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   bei System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   bei System.Windows.Threading.DispatcherOperation.Invoke()
   bei System.Windows.Threading.Dispatcher.ProcessQueue()
   bei System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   bei MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   bei MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   bei System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Boolean isSingleParameter)
   bei System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)
   bei System.Windows.Threading.Dispatcher.WrappedInvoke(Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)
   bei System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Boolean isSingleParameter)
   bei System.Windows.Threading.Dispatcher.Invoke(DispatcherPriority priority, Delegate method, Object arg)
   bei MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
   bei MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)
   bei System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
   bei System.Windows.Threading.Dispatcher.PushFrame(DispatcherFrame frame)
   bei System.Windows.Threading.Dispatcher.Run()
   bei System.Windows.Application.RunDispatcher(Object ignore)
   bei System.Windows.Application.StartDispatcherInBrowser(Object unused)
   bei System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Boolean isSingleParameter)
   bei System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)
   bei System.Windows.Threading.Dispatcher.WrappedInvoke(Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)
   bei System.Windows.Threading.DispatcherOperation.InvokeImpl()
   bei System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   bei System.Threading.ExecutionContext.runTryCode(Object userData)
   bei System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
   bei System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   bei System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   bei System.Windows.Threading.DispatcherOperation.Invoke()
   bei System.Windows.Threading.Dispatcher.ProcessQueue()
   bei System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   bei MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   bei MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   bei System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Boolean isSingleParameter)
   bei System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)
   bei System.Windows.Threading.Dispatcher.WrappedInvoke(Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)
   bei System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Boolean isSingleParameter)
   bei System.Windows.Threading.Dispatcher.Invoke(DispatcherPriority priority, Delegate method, Object arg)
   bei MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)

-----------------------

PresentationHost.exe v3.0.6920.4902 built by: NetFXw7 - C:\Windows\System32\PresentationHost.exe
ntdll.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\SYSTEM32\ntdll.dll
kernel32.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\kernel32.dll
KERNELBASE.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\KERNELBASE.dll
ADVAPI32.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\ADVAPI32.dll
msvcrt.dll v7.0.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\msvcrt.dll
sechost.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\SYSTEM32\sechost.dll
RPCRT4.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\RPCRT4.dll
USER32.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\USER32.dll
GDI32.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\GDI32.dll
LPK.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\LPK.dll
USP10.dll v1.0626.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\USP10.dll
ole32.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\ole32.dll
OLEAUT32.dll v6.1.7600.16385 - C:\Windows\system32\OLEAUT32.dll
mscoree.dll v4.0.31106.0 (Main.031106-0000) - C:\Windows\System32\mscoree.dll
SHLWAPI.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\SHLWAPI.dll
WININET.dll v8.00.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\WININET.dll
Normaliz.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\Normaliz.dll
urlmon.dll v8.00.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\urlmon.dll
CRYPT32.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\CRYPT32.dll
MSASN1.dll v6.1.7600.16415 (win7_gdr.090828-1615) - C:\Windows\system32\MSASN1.dll
iertutil.dll v8.00.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\iertutil.dll
SHELL32.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\SHELL32.dll
IMM32.DLL v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\IMM32.DLL
MSCTF.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\MSCTF.dll
PresentationHost_v0400.dll v4.0.30319.1 built by: RTMRel - C:\Windows\Microsoft.NET\Framework\v4.0.30319\WPF\PresentationHost_v0400.dll
MSVCR100_CLR0400.dll v10.00.30319.1 - C:\Windows\System32\MSVCR100_CLR0400.dll
VERSION.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\VERSION.dll
PSAPI.DLL v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\PSAPI.DLL
CRYPTBASE.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\CRYPTBASE.dll
uxtheme.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\uxtheme.dll
CLBCatQ.DLL v2001.12.8530.16385 (win7_rtm.090713-1255) - C:\Windows\system32\CLBCatQ.DLL
CRYPTSP.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\CRYPTSP.dll
rsaenh.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\rsaenh.dll
RpcRtRemote.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\RpcRtRemote.dll
ntmarta.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\ntmarta.dll
WLDAP32.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\WLDAP32.dll
dwmapi.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\dwmapi.dll
comctl32.dll v6.10 (win7_rtm.090713-1255) - C:\Windows\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7600.16385_none_421189da2b7fabfc\comctl32.dll
SspiCli.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\SspiCli.dll
profapi.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\profapi.dll
ws2_32.DLL v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\ws2_32.DLL
NSI.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\NSI.dll
dnsapi.DLL v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\dnsapi.DLL
iphlpapi.DLL v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\iphlpapi.DLL
WINNSI.DLL v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\WINNSI.DLL
RASAPI32.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\RASAPI32.dll
rasman.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\rasman.dll
rtutils.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\rtutils.dll
sensapi.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\sensapi.dll
peerdist.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\peerdist.dll
USERENV.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\USERENV.dll
AUTHZ.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\AUTHZ.dll
mswsock.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\mswsock.dll
wshtcpip.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\wshtcpip.dll
NLAapi.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\NLAapi.dll
rasadhlp.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\rasadhlp.dll
winrnr.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\winrnr.dll
napinsp.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\napinsp.dll
pnrpnsp.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\pnrpnsp.dll
wshbth.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\wshbth.dll
wship6.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\wship6.dll
fwpuclnt.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\fwpuclnt.dll
dfshim.dll v4.0.31106.0 (Main.031106-0000) - C:\Windows\System32\dfshim.dll
mscoreei.dll v4.0.30319.1 (RTMRel.030319-0100) - C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscoreei.dll
clr.dll v4.0.30319.1 (RTMRel.030319-0100) - C:\Windows\Microsoft.NET\Framework\v4.0.30319\clr.dll
msxml3.dll v8.110.7600.16385 - C:\Windows\System32\msxml3.dll
PresentationHostDLL.dll v3.0.6920.4902 built by: NetFXw7 - C:\Windows\Microsoft.NET\Framework\v3.0\WPF\PresentationHostDLL.dll
MSVCR80.dll v8.00.50727.4927 - C:\Windows\WinSxS\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.4927_none_d08a205e442db5b5\MSVCR80.dll
ieproxy.dll v8.00.7600.16588 (win7_gdr.100505-1849) - C:\Program Files\Internet Explorer\ieproxy.dll
SXS.DLL v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\SXS.DLL
PresentationHostProxy.dll v4.0.31106.0 built by: Main - C:\Windows\System32\PresentationHostProxy.dll
mshtml.dll v8.00.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\mshtml.dll
msls31.dll v3.10.349.0 - C:\Windows\System32\msls31.dll
pdm.dll v10.0.30319.1 built by: RTMRel - c:\Program Files\Common Files\Microsoft Shared\VS7Debug\pdm.dll
msdbg2.dll v9.0.30729.4462 built by: QFE - c:\Program Files\Common Files\Microsoft Shared\VS7Debug\msdbg2.dll
msimtf.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\msimtf.dll
IEFRAME.dll v8.00.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\IEFRAME.dll
OLEACC.dll v7.0.0.0 (win7_rtm.090713-1255) - C:\Windows\System32\OLEACC.dll
scriptsn.dll vVSCORE.14.1.0.447.x86 - C:\Program Files\McAfee\VirusScan Enterprise\scriptsn.dll
JScript.dll v5.8.7600.16385 - C:\Windows\system32\JScript.dll
VBScript.dll v5.8.7600.16385 - C:\Windows\system32\VBScript.dll
mytilus3.dll vVSCORE.14.1.0.447.x86 - C:\Program Files\McAfee\VirusScan Enterprise\mytilus3.dll
mytilus3_worker.dll vVSCORE.14.1.0.447.x86 - C:\Program Files\McAfee\VirusScan Enterprise\mytilus3_worker.dll
SHFOLDER.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\SHFOLDER.dll
McShield.dll vVSCORE.14.1.0.447 - C:\Program Files\McAfee\VirusScan Enterprise\RES0700\McShield.dll
ImgUtil.dll v8.00.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\ImgUtil.dll
pngfilt.dll v8.00.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\pngfilt.dll
mlang.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\mlang.dll
mscorwks.dll v2.0.50727.4927 (NetFXspW7.050727-4900) - C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorwks.dll
mscorlib.ni.dll v2.0.50727.4927 (NetFXspW7.050727-4900) - C:\Windows\assembly\NativeImages_v2.0.50727_32\mscorlib\8c1770d45c63cf5c462eeb945ef9aa5d\mscorlib.ni.dll
System.ni.dll v2.0.50727.4927 (NetFXspW7.050727-4900) - C:\Windows\assembly\NativeImages_v2.0.50727_32\System\5ba3bf5367fc012300c6566f20cb7f54\System.ni.dll
WindowsBase.ni.dll v3.0.6920.5001 built by: Win7RTMGDR - C:\Windows\assembly\NativeImages_v2.0.50727_32\WindowsBase\9d9eb1ef43c092551bba1e45cd29b069\WindowsBase.ni.dll
PresentationCore.ni.dll v3.0.6920.5001 built by: Win7RTMGDR - C:\Windows\assembly\NativeImages_v2.0.50727_32\PresentationCore\e7b5050c2c315562d740c4b9535cf5ce\PresentationCore.ni.dll
PresentationFramework.ni.dll v3.0.6920.5001 built by: Win7RTMGDR - C:\Windows\assembly\NativeImages_v2.0.50727_32\PresentationFramewo#\7114c629020f6bba198a954e4794c979\PresentationFramework.ni.dll
wpfgfx_v0300.dll v3.0.6920.4902 built by: NetFXw7 - C:\Windows\Microsoft.NET\Framework\v3.0\WPF\wpfgfx_v0300.dll
msimg32.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\msimg32.dll
PresentationUI.ni.dll v3.0.6920.4902 built by: NetFXw7 - C:\Windows\assembly\NativeImages_v2.0.50727_32\PresentationUI\725d7684f0ea5e347d2425f3f59c986e\PresentationUI.ni.dll
System.Deployment.ni.dll v2.0.50727.4927 (NetFXspW7.050727-4900) - C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Deployment\7c575d65bcb13c9bb68ea0fb4ecfc124\System.Deployment.ni.dll
PresentationFramework.resources.dll v3.0.6920.4902 built by: NetFXw7 - C:\Windows\assembly\GAC_MSIL\PresentationFramework.resources\3.0.0.0_de_31bf3856ad364e35\PresentationFramework.resources.dll
System.Configuration.ni.dll v2.0.50727.4927 (NetFXspW7.050727-4900) - C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Configuration\aadfdc0e7d9181a98d667a52c3c35601\System.Configuration.ni.dll
System.Xml.ni.dll v2.0.50727.4927 (NetFXspW7.050727-4900) - C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Xml\5dd9f783008543df3e642ff1e99de4e8\System.Xml.ni.dll
winhttp.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\winhttp.dll
webio.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\webio.dll
dhcpcsvc6.DLL v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\dhcpcsvc6.DLL
dhcpcsvc.DLL v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\dhcpcsvc.DLL
credssp.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\credssp.dll
CFGMGR32.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\CFGMGR32.dll
System.Deployment.resources.dll v2.0.50727.4927 (NetFXspW7.050727-4900) - C:\Windows\assembly\GAC_MSIL\System.Deployment.resources\2.0.0.0_de_b03f5f7f11d50a3a\System.Deployment.resources.dll
mscorlib.resources.dll v2.0.50727.4927 (NetFXspW7.050727-4900) - C:\Windows\assembly\GAC_MSIL\mscorlib.resources\2.0.0.0_de_b77a5c561934e089\mscorlib.resources.dll
diasymreader.dll v8.0.50727.4927 (NetFXspW7.050727-4900) - C:\Windows\Microsoft.NET\Framework\v2.0.50727\diasymreader.dll
System.Drawing.ni.dll v2.0.50727.4927 (NetFXspW7.050727-4900) - C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Drawing\ead6be8b410d56b5576b10e56af2c180\System.Drawing.ni.dll
mscorjit.dll v2.0.50727.4927 (NetFXspW7.050727-4900) - C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorjit.dll
PresentationFramework.Aero.ni.dll v3.0.6920.4902 built by: NetFXw7 - C:\Windows\assembly\NativeImages_v2.0.50727_32\PresentationFramewo#\ea9930bda41258af0220c9c7e4e6f4fd\PresentationFramework.Aero.ni.dll
Telerik.Windows.QuickStartLoader.dll v1.0.0.0 - C:\Users\ts\AppData\Local\Apps\2.0\DZ3LOE4X.8EV\D43G8KR0.G74\tele..xbap_0000000000000000_07da.0001_badc3ab67d75a2bb\Telerik.Windows.QuickStartLoader.dll
System.Core.ni.dll v3.5.30729.4926 built by: NetFXw7 - C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Core\2ce20cdf50b09576d2cbebefeeb74598\System.Core.ni.dll
d3d9.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\d3d9.dll
d3d8thk.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\d3d8thk.dll
nvd3dum.dll v8.17.11.9716 - C:\Windows\System32\nvd3dum.dll
Telerik.Windows.QuickStartTheme.dll v1.0.0.0 - C:\Users\ts\AppData\Local\Apps\2.0\DZ3LOE4X.8EV\D43G8KR0.G74\tele..xbap_0000000000000000_07da.0001_badc3ab67d75a2bb\Telerik.Windows.QuickStartTheme.dll
Telerik.Windows.QuickStart.dll v1.0.0.0 - C:\Users\ts\AppData\Local\Apps\2.0\DZ3LOE4X.8EV\D43G8KR0.G74\tele..xbap_0000000000000000_07da.0001_badc3ab67d75a2bb\Telerik.Windows.QuickStart.dll
WindowsCodecs.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\WindowsCodecs.dll
Telerik.Windows.Controls.dll v2010.1.0604.35 - C:\Users\ts\AppData\Local\Apps\2.0\DZ3LOE4X.8EV\D43G8KR0.G74\tele..xbap_0000000000000000_07da.0001_badc3ab67d75a2bb\Telerik.Windows.Controls.dll
Telerik.Windows.Controls.Input.dll v2010.1.0604.35 - C:\Users\ts\AppData\Local\Apps\2.0\DZ3LOE4X.8EV\D43G8KR0.G74\tele..xbap_0000000000000000_07da.0001_badc3ab67d75a2bb\Telerik.Windows.Controls.Input.dll
System.Xml.Linq.ni.dll v3.5.30729.4926 built by: NetFXw7 - C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Xml.Linq\d312ae3c839cbbaf0153dd6a5e1a6876\System.Xml.Linq.ni.dll
Telerik.Windows.Controls.resources.dll v2010.1.0604.35 - C:\Users\ts\AppData\Local\Apps\2.0\DZ3LOE4X.8EV\D43G8KR0.G74\tele..xbap_0000000000000000_07da.0001_badc3ab67d75a2bb\de\Telerik.Windows.Controls.resources.dll
PresentationNative_v0300.dll v3.0.6920.4902 built by: NetFXw7 - C:\Windows\System32\PresentationNative_v0300.dll
WINMM.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\WINMM.dll
powrprof.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\System32\powrprof.dll
SETUPAPI.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\SETUPAPI.dll
DEVOBJ.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\DEVOBJ.dll
msctfui.dll v6.1.7600.16385 (win7_rtm.090713-1255) - C:\Windows\system32\msctfui.dll

       

General Discussions
Kaloyan
Telerik team
 answered on 08 Jul 2010
1 answer
110 views
TileView doesn't render tiles in restore state initially

Hi,

I'm using "RadControls for WPF Q1 2010 SP2". I don't know whether it's because of my settings or it is a bug but when the window is initialized the tiles are shown in Minimized state with small content. If I maximize one of them and then minimize them all again the previously maximized tile is shown in Restore state but the others are stiil shown in Minimized state.

Below is the XAML and CS code:

<Window x:Class="TestApp.MainWindow" 
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
        xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation" 
        xmlns:telerikAnimation="clr-namespace:Telerik.Windows.Controls.Animation;assembly=Telerik.Windows.Controls" 
        xmlns:telerikNavigation="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Navigation" 
        Title="MainWindow" Height="350" Width="525" 
        WindowState="Maximized"> 
  <Grid> 
    <ScrollViewer HorizontalScrollBarVisibility="Auto" VerticalAlignment="Stretch" 
            HorizontalAlignment="Stretch" VerticalScrollBarVisibility="Auto" Padding="0" 
            BorderThickness="0" > 
      <Border Margin="10" HorizontalAlignment="Center" VerticalAlignment="Center"> 
        <Border.Resources> 
          <Style TargetType="TextBlock" x:Key="HeaderTitle"> 
            <Setter Property="Foreground" Value="Black" /> 
            <Setter Property="FontSize" Value="12" /> 
            <Setter Property="FontWeight" Value="Bold" /> 
            <Setter Property="FontFamily" Value="Segoe UI" /> 
            <Setter Property="VerticalAlignment" Value="Center" /> 
            <Setter Property="Padding" Value="0" /> 
          </Style> 
          <Style TargetType="TextBlock" x:Key="SmallBox"> 
            <Setter Property="Foreground" Value="#0b4366" /> 
            <Setter Property="FontSize" Value="12" /> 
            <Setter Property="FontWeight" Value="Normal" /> 
            <Setter Property="FontFamily" Value="Segoe UI" /> 
            <Setter Property="VerticalAlignment" Value="Center" /> 
            <Setter Property="Padding" Value="10 0" /> 
          </Style> 
          <DataTemplate x:Key="Package"> 
            <Grid> 
              <Border Style="{StaticResource DetailBorder}"> 
                <Grid> 
                  <Grid.RowDefinitions> 
                    <RowDefinition /> 
                    <RowDefinition /> 
                  </Grid.RowDefinitions> 
 
                  <Grid.ColumnDefinitions> 
                    <ColumnDefinition Width="Auto" /> 
                    <ColumnDefinition Width="Auto" /> 
                    <ColumnDefinition Width="Auto" /> 
                    <ColumnDefinition Width="65" /> 
                  </Grid.ColumnDefinitions> 
 
                  <TextBlock Grid.Row="0" Grid.Column="0" Text="Kod:" /> 
                  <TextBox Grid.Row="0" Grid.Column="1" Text="{Binding Path=Code}" /> 
 
                  <TextBlock Grid.Row="0" Grid.Column="2" Text="Form Miktar:" /> 
                  <TextBox Grid.Row="0" Grid.Column="3" Text="{Binding Path=ChildQty}" /> 
 
                  <TextBlock Grid.Row="1" Grid.Column="0" Text="Tanım:" /> 
                  <TextBox Grid.Row="1" Grid.Column="1" Text="{Binding Path=Descr}" /> 
 
                  <TextBlock Grid.Row="1" Grid.Column="2" Text="Satış Miktar:" /> 
                  <TextBox Grid.Row="1" Grid.Column="3" Text="{Binding Path=ParentQty}" /> 
                </Grid> 
              </Border> 
            </Grid> 
          </DataTemplate> 
        </Border.Resources> 
        <telerikNavigation:RadTileView x:Name="rtvTest" Width="950" Height="400" 
                                     Grid.Column="1" Grid.Row="1"  
                                     ItemsSource="{Binding Products}" 
                                     MaximizeMode="ZeroOrOne"> 
          <telerikNavigation:RadTileView.ItemTemplate> 
            <DataTemplate> 
              <TextBlock Text="{Binding Path=Descr}" Style="{StaticResource HeaderTitle}"/> 
            </DataTemplate> 
          </telerikNavigation:RadTileView.ItemTemplate> 
          <telerikNavigation:RadTileView.ContentTemplate> 
            <DataTemplate> 
              <telerik:RadFluidContentControl telerikAnimation:AnimationManager.IsAnimationEnabled="True" 
                                            SmallToNormalThreshold="280, 130" 
                                            NormalToSmallThreshold="280, 130" 
                                            NormalToLargeThreshold="730, 350" 
                                            LargeToNormalThreshold="730, 350" > 
                <telerik:RadFluidContentControl.SmallContent> 
                  <Border Height="30" Width="190" > 
                    <TextBlock Text="{Binding SmallCode}" Style="{StaticResource SmallBox}"/> 
                  </Border> 
                </telerik:RadFluidContentControl.SmallContent> 
                <telerik:RadFluidContentControl.Content> 
                  <Border Height="130" Width="280"> 
                    <TextBlock Text="{Binding Path=NormalCode}" Style="{StaticResource SmallBox}" FontWeight="Bold" FontSize="14"/> 
                  </Border> 
                </telerik:RadFluidContentControl.Content> 
                <telerik:RadFluidContentControl.LargeContent> 
                  <Border Margin="30,80,30,30" Height="350" Width="730" > 
                    <TextBlock Text="{Binding Path=LargeCode}" Style="{StaticResource SmallBox}" FontWeight="DemiBold" FontSize="18"/> 
                  </Border > 
                </telerik:RadFluidContentControl.LargeContent> 
              </telerik:RadFluidContentControl> 
            </DataTemplate> 
          </telerikNavigation:RadTileView.ContentTemplate> 
 
        </telerikNavigation:RadTileView> 
      </Border> 
 
    </ScrollViewer> 
 
  </Grid> 
</Window> 

using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Text; 
using System.Windows; 
using System.Windows.Controls; 
using System.Windows.Data; 
using System.Windows.Documents; 
using System.Windows.Input; 
using System.Windows.Media; 
using System.Windows.Media.Imaging; 
using System.Windows.Navigation; 
using System.Windows.Shapes; 
 
namespace TestApp { 
 
  public partial class MainWindow : Window { 
    public MainWindow() { 
      InitializeComponent(); 
 
      rtvTest.ItemsSource = TestEntity.GetSampleList(); 
    } 
  } 
 
  public class TestEntity { 
    public string SmallCode { get; set; } 
    public string NormalCode { get; set; } 
    public string LargeCode { get; set; } 
 
    public TestEntity(string smallCode, string normalCode, string largeCode) { 
      SmallCode = smallCode; 
      NormalCode = normalCode; 
      LargeCode = largeCode; 
    } 
 
    public static List<TestEntity> GetSampleList() { 
      List<TestEntity> result = new List<TestEntity>(); 
      result.Add(new TestEntity("A1", "A11", "A111")); 
      result.Add(new TestEntity("B1", "B11", "B111")); 
      result.Add(new TestEntity("C1", "C11", "C111")); 
      result.Add(new TestEntity("D1", "D11", "D111")); 
      result.Add(new TestEntity("E1", "E11", "E111")); 
      result.Add(new TestEntity("K1", "K11", "K111")); 
      result.Add(new TestEntity("X1", "X11", "X111")); 
 
      return result; 
    } 
  } 
} 
 

Thanks in advance

TileView
Kiril Stanoev
Telerik team
 answered on 07 Jul 2010
5 answers
264 views
[Solved] Row Style of Inner Grid
My RadGrid has several instances where I use a Row Details Template to have a Grid within a grid (if that makes any sense...). I was hoping the rows of the inner grid would inherit the style of the parent grid, but this doesn't seem to be the case. Even if I define a row style in the XAML markup for my inner grid it still doesn't work. But there is no problme at all with the parent grid. All I want to be able to do is make the background of each row transparent. Does anyone have any suggestions on what I might be doing wrong?

<telerikGrid:RadGridView x:Name="partSearchInfoRadGridView" GridLinesVisibility="Horizontal" AutoGenerateColumns="False" SelectionMode="Multiple" ItemsSource="{Binding partInfoDT}" RowDetailsVisibilityChanged="partSearchInfoRadGridView_RowDetailsVisibilityChanged" 
RowDetailsVisibilityMode="VisibleWhenSelected" RowLoaded="partSearchInfoRadGridView_RowLoaded" ScrollViewer.HorizontalScrollBarVisibility="Hidden"  
Style="{DynamicResource RadGridViewStyleECP}" RowStyle="{DynamicResource GridViewRowStyle}"                                                          
IsSynchronizedWithCurrentItem="False"  SelectionChanged="partSearchInfoRadGridView_SelectionChanged"> 
 
<telerikGrid:RadGridView.Columns>.... 
 
 
 
 
 
<telerikGrid:RadGridView.RowDetailsTemplate> 
<DataTemplate> 
 
<telerikGrid:RadGridView x:Name="partSearchInfoInnerRadGridView" CanUserFreezeColumns="False" GridLinesVisibility="Horizontal" IsReadOnly="True"  
AutoGenerateColumns="False" Height="200" RowHeight="30" ScrollViewer.HorizontalScrollBarVisibility="Hidden"  
Style="{DynamicResource RadGridViewStyleECP}" RowStyle="{DynamicResource GridViewRowStyle}"  
IsSynchronizedWithCurrentItem="False" RowDetailsVisibilityMode="Collapsed" 
SelectionChanged="partSearchInfoInnerRadGridView_SelectionChanged" 
IsFilteringAllowed="False" ShowGroupPanel="False" > 
 
<telerikGrid:RadGridView.Columns>.... 

GridView
Mark
Top achievements
Rank 1
 answered on 07 Jul 2010
1 answer
131 views
Filtering with Lists
I have a GridView with a bunch of DataColumns. I am filtering the grid programmatically, so... I want to filter based on the contents of a List.

Example: I have 3 types of equipment I can use: A, B, and C. I want to show only records where I used A, or A and C, etc.

I am using ColumnFilterDescriptors for moment - and for the rest of the columns, the DistinctFilters.DistinctValues work fine. Just not sure how to filter based on what's in the list.
GridView
Rossen Hristov
Telerik team
 answered on 07 Jul 2010
3 answers
161 views
How to implement aggregation function menu
Hi ,

I have been using Infragistics winform grid in my past projects, it had a wonderfull functionality of giving the user to choose in real time between the available aggregate functions in Grid's footer (just like the filtering option).
So basically, there was another icon next to the filtering icon, clicking on it provided pop up window with count, sum etc.. functions, choosing aggregate function showed the result in the footer of the Grid.

I need excatlly the same functionalitty in my application - How can this be implemented?
Could you please provide with example.

Thank you ahead,
Mark
GridView
Pavel Pavlov
Telerik team
 answered on 07 Jul 2010
3 answers
213 views
How to Load/save filter value of gridview?
Hello,

How we can save grid filter value into database or any file? & load same setting when loading grid once again?

with search i found RadGridViewSettings.vb but error fired "Type 'DataContractSerializer' is not defined." even if i imported

 

System.Xml.Serialization. I am using VS2010, framework 4 with WPF Telerik controls.

Can i have some example for the same?
GridView
Snehal
Top achievements
Rank 1
 answered on 07 Jul 2010
3 answers
153 views
Hosting Control in Column Header
I need a checkbox column that has a checkbox control in the header that will mimic what the GridViewSelectColum does.  I cannot use the GridViewSelectColumn because I'm not looking to select all rows - I just want to check all rows - like mark all as read functionality.  To achieve this I simply put a CheckBox control in the header of my bool column and set the binding to a property in my VM called CheckAll.

<CheckBox IsChecked="{Binding CheckAll, diagnostics:PresentationTraceSources.TraceLevel=High}"></CheckBox>

The setter on my property is not being called and when I added the diagnostics the binding does not show up.  However, when I move the checkbox outside of the grid it works fine - so I'm thinking the reference is lost?

Thanks,

Greg


GridView
Pavel Pavlov
Telerik team
 answered on 07 Jul 2010
1 answer
147 views
[Solved] RowDetails

Hi

Is someone known where is the sing of the plus (+) in the Row Details?

Best Regards

Ehud

GridView
Vlad
Telerik team
 answered on 07 Jul 2010
1 answer
153 views
How to set the SelecteItem when a cell is clicked?
We use the 2009 Q3 Rad control.  Also we use MVVM.  the SelectedItem is bound to prop in ViewModel.  When clicking on a GridViewdataColumn, the setter for SelectedItem is called and the row is highlighted, but for any CellTemplate is clicked,  the setter for SelectedItem is NOT called and the row is NOT highlighted.   Is any property I can set to make the row is selected when Clicking the cell?

Thanks!

Amy
GridView
Vlad
Telerik team
 answered on 07 Jul 2010
4 answers
113 views
Problem with
Hello,
I am running into a problem with the RadTileView, and the RadFluidContentControl.  I am binding the ItemsSource to a list in my ViewModel, and in turn, I am using the ContentTemplate to render the items, I added a RadFluidContentControl, and use the SmallContentTemplate, MediumContentTemplate, and LargeContentTemplate but it never changes the content in the template,  The same xaml using hard coded content seems to work fine.  Is this a bug in the RadFluidContentControl,or am I using it wrong? 
Below is the Xaml that I am working with.  Rooms is a list of classes with a "DisplayName" property.

Thanks in advance for any help.
        <telerik:RadTileView Margin="8" MinimizedColumnWidth="220" ItemsSource="{Binding Rooms}" > 
            <telerik:RadTileView.ItemTemplate> 
                <DataTemplate> 
                    <TextBlock Text="{Binding DisplayName}">  
                    </TextBlock> 
                </DataTemplate> 
            </telerik:RadTileView.ItemTemplate> 
            <telerik:RadTileView.ContentTemplate> 
                <DataTemplate> 
                    <telerik:RadFluidContentControl BorderBrush="black" BorderThickness="2" SmallToNormalThreshold="190, 140" 
                                    NormalToSmallThreshold="190, 140" NormalToLargeThreshold="320, 320" 
                                    LargeToNormalThreshold="320, 320" ContentChangeMode="Automatic">  
                        <telerik:RadFluidContentControl.SmallContentTemplate> 
                            <DataTemplate> 
                                <Grid> 
                                    <TextBlock Text="{Binding DisplayName}"></TextBlock> 
                                    <TextBlock Text="small"></TextBlock> 
                                </Grid> 
                            </DataTemplate> 
                        </telerik:RadFluidContentControl.SmallContentTemplate> 
                        <telerik:RadFluidContentControl.ContentTemplate> 
                            <DataTemplate> 
                                <Grid> 
                                    <TextBlock Text="{Binding DisplayName}"></TextBlock> 
                                    <TextBlock Text="Medium"></TextBlock> 
                                </Grid> 
                            </DataTemplate> 
                        </telerik:RadFluidContentControl.ContentTemplate> 
                        <telerik:RadFluidContentControl.LargeContentTemplate> 
                            <DataTemplate> 
                                <local:RoomControl Margin="10" HorizontalAlignment="Left" VerticalAlignment="Top"  DataContext="{Binding}"/>  
                            </DataTemplate> 
                        </telerik:RadFluidContentControl.LargeContentTemplate> 
                    </telerik:RadFluidContentControl> 
                </DataTemplate> 
            </telerik:RadTileView.ContentTemplate> 
        </telerik:RadTileView> 
 
TileView
Lance
Top achievements
Rank 1
 answered on 06 Jul 2010
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