Hello,

I was wondering how can i have the checkbox "keep aspect ratio" in crop tool.

There is one easy way to do that?

By the way i couldn't find the documentation about this control.


Gilberto

I've tried to no avail to remove the space between my header and the body of my document.  Is there any way to do this?  See my attached image.
Thanks in advance,
Steve

Hi telerik,

In my app I need to drag a row from at gridview onto a treeview.

When trying to drag, the cursor never changes to dragging-cursor. I'm a bit at a loss here.

I've tried to look at the example from "GridView Reorder Rows", but merging it over in my code has not produced the dragging cursor.


Can you confirm for me that it should be possible to drag from gridview to treeview?
Is it possible to construct a super simple example where it's done?

Internally in the treeview, I've got dragging working just fine -- the problem seems to be in allowing the dragging action to be initiated from gridview.

I'm still running Q1-release.

Thanks,

Anders, Denmark

Trying to understand how recent documents works I looked at your teams demo for RibbonView and i cannot understand where template are coming from

Lines showed above


Thanks in advance

Seems that AddHandler for a FrameworkElementFactory won't work, event are never called ...

here follows the test code

foreach (var c in radGridViewTest.Columns)

            {

                        var factory = new FrameworkElementFactory(typeof(Button), "myButton");

                        factory.SetValue(CursorProperty, Cursors.Hand); // OK

                        factory.SetBinding(ContentProperty, new Binding(string.Format("[{0}]", 4))); //OK

                        c.CellTemplate= new DataTemplate();

                        

                        var mh = new RoutedEventHandler(onClick);

                        factory.AddHandler(Button.ClickEvent, mh,true); // won't work ...

                        c.CellTemplate.VisualTree = factory;

                        c.CellTemplate.Seal();
            }

I only get this some times (making it more annoying), but it seems like a bug in the OhlcSeriesRoundLayoutContext.SnapPointToGrid functionality. I need to be able to change the min/max of the vertical axis. Is there any way to turn off the snapping behaviour so it doesn't try to do it and thus doesn't break? Or is this something else doing it? I need to get this working rather soon. 


exception attached:

System.ArgumentOutOfRangeException was unhandled
  Message=Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index
  Source=mscorlib
  ParamName=index
  StackTrace:
       at System.ThrowHelper.ThrowArgumentOutOfRangeException()
       at System.Collections.Generic.List`1.get_Item(Int32 index)
       at System.Collections.ObjectModel.Collection`1.get_Item(Int32 index)
       at Telerik.Charting.OhlcSeriesRoundLayoutContext.SnapToLowGridLine(OhlcDataPoint point)
       at Telerik.Charting.OhlcSeriesRoundLayoutContext.SnapPointToGrid(OhlcDataPoint point)
       at Telerik.Charting.OhlcSeriesModel.ApplyLayoutRounding()
       at Telerik.Charting.CartesianChartAreaModel.ApplyLayoutRounding()
       at Telerik.Charting.ChartAreaModelWithAxes.ArrangeOverride(RadRect rect)
       at Telerik.Charting.ChartNode.Arrange(RadRect rect, Boolean shouldRoundLayout)
       at Telerik.Charting.ChartAreaModel.Arrange()
       at Telerik.Windows.Controls.ChartView.RadChartBase.UpdateChartArea()
       at Telerik.Windows.Controls.ChartView.RadChartBase.CallUpdateUI()
       at Telerik.Windows.Controls.ChartView.RadChartBase.OnInvalidated()
       at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
       at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)
       at System.Windows.Threading.DispatcherOperation.InvokeImpl()
       at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
       at System.Threading.ExecutionContext.runTryCode(Object userData)
       at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
       at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       at System.Windows.Threading.DispatcherOperation.Invoke()
       at System.Windows.Threading.Dispatcher.ProcessQueue()
       at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
       at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
       at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
       at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
       at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)
       at System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
       at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
       at MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)
       at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
       at System.Windows.Threading.Dispatcher.PushFrame(DispatcherFrame frame)
       at System.Windows.Application.RunDispatcher(Object ignore)
       at System.Windows.Application.RunInternal(Window window)
       at System.Windows.Application.Run(Window window)
       at System.Windows.Application.Run()
       at MyApplication.App.Main() in D:\Work\MyApplication\MyApplication
\obj\x86\Debug\App.g.cs:line 0
  InnerException: 

Hi,
     I am trying to remove the readonlyrange in richtextbox. I have selection for that but the method provided in WPF requires a readonly field ReadonlyRangeStart. How can I get this field from selection. or is there any other way to deal with this problem thanks.


In richtextbox I have selection of single word or paragraph. and need to extract readonlyrangestart field for method editor.document.deletereadonlyrange(readonlyrangestart);.

Thanks.

Hi,

i add a ClickHandler to a CheckBox in a GridViewDataColumn in Codebehind. But this dont fired the Handler when i click the CheckBox.
Can you please show me the right way to do this?

Thank You
.

Here a Code Snippet

Hello,
I found a bug (almost comical) that prevents me from moving a task in the gantt chart.  I have tasks A,B,C,and D.  Task B is a child of task A.  Task B depends on task D (via a dependency arrow).  I would like to move task B from being the child of A to being the child of C.

When I do A.Children.Remove(B), I get a "key not found exception" in your code, which I assume means that it couldn't find the other end of the dependecy arrow from D to B.  In order words, I can't remove B because of the arrow.  However, if I do C.Children.Add(B), then I get a "element already exists".  In order words, I can't add B twice.  Conclusion: B cannot be moved without deleting all of its dependency arrows, and likely all arrows on other tasks that point to B.

In order words, B cannot be moved.

It would take too long (computationally) to find and delete all dependency arrows before moving the task, only to recreate them afterwards.  This problems relates to my other query about disabling grouping until all I finish changing the structure.

Thanks,
Eric

Hi,

I set RadMaskedNumericInput's UpdateValueEvent="PropertyChanged" and want to update source propertyChanged. It worked correct if I type any words, but when lose focus, it always update the source again no matter whether change its value. This condition only appear when source property is float or double, never see it when integer. Please give a hand. Thanks very much.