Questions on UI for WPF Forum

1 answer

89 views

If you have the MouseDragBehavior set to Select, is there anyway to cancel this, for example with the Escape key once you have started?

Thanks
Simon

Map

answered on 10 Mar 2011

11 answers

431 views

RadCarousel Panel/Item resize issue

We are populating Carousel control with multiple Radchart at runtime.

In XAML code one single RadChart is defined in the DataTemplate and that DataTemplate is the ItemTemplate of the RadCarousel

In the code behind we are binding the RadCarousel with Collection of data. Each item in the collection corresponds to one RadChart data.

radCarousel.ItemsSource = CountyComparisonList();

Each CountyComparison class has a DataSeries property and we are populating DataSeries with multiple data point as bar series and adding in the Collection.

Say first object in the collection gets populated with 6 data point and second object has two data point and third has one data point. So we need to change the width of each Radchart because they dont have equal number of bars.
In each rad chart we are displaying multiple bar series.

Problem is we are not able to adjust width and height of each individual RadChart populated in the RadCarousel.
How do we do that?

Thanks in advance for any Help

Manidipa

Carousel

answered on 10 Mar 2011

1 answer

122 views

Styling RichTextBox not supported?

I´m trying to set styling on RichTextBox, but no styling is applied. Telerik styling is not supported for RichTextBox?

My code example:

<Window x:Class="Richtextboxstyling.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"

Title="MainWindow" Height="350" Width="525">

<Grid>

<RichTextBox telerik:StyleManager.Theme="Office_Silver"

Height="140"

VerticalScrollBarVisibility="Auto"

HorizontalAlignment="Stretch"

VerticalAlignment="Stretch" />

</Grid>

</Window>

General Discussions

answered on 10 Mar 2011

1 answer

86 views

Freeform Positioning & Textflow / Formating around images?

Good morning,

I'm currently looking quite closely at the WPF RichTextBox in regards of using it in a project for a customer, but I know some of its users are actively using images in their documents and placing them 'freely' in the document (as in not only aligned left/center/right) etc, but using Word's textflow, margins etc options to keep images inline with the text.

Is anything like that planned for the RadRichTextbox?

All the best,
-Jörg

RichTextBox

answered on 10 Mar 2011

3 answers

344 views

Blank rows after binding to RadGridView

I have a Prism app which uses the BackGroundWorker for loading data into a DataTable and then binding the DataTable.DefaultView to the ItemSource of a RadGridView. Often when I start the application, I get blank rows added into the grid. Any idea why I get blank rows when I run the application sometimes but see actual data other times? See XAML below:

<UserControl x:Class="OrganizationalUnitModule.Views.OUList"

xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

xmlns:my="clr-namespace:OrganizationalUnitModule.Presenter"

xmlns:telerikData="clr-namespace:Telerik.Windows.Data;assembly=Telerik.Windows.Data"

xmlns:telerikControls="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls"

mc:Ignorable="d"

d:DesignHeight="300" d:DesignWidth="300">

<UserControl.DataContext>

<my:OUListBWPresenter/>

</UserControl.DataContext>

<Grid>

<Grid.RowDefinitions>

<RowDefinition Height="80"/>

<RowDefinition Height="40"/>

<RowDefinition Height="600"/>

</Grid.RowDefinitions>

<Border Grid.Row="0" Margin="0,0,0,0" VerticalAlignment="Top" Height="80" Width="Auto">

<Border.Background>

<LinearGradientBrush EndPoint="0.5,1" MappingMode="RelativeToBoundingBox" StartPoint="0.5,0">

<GradientStop Color="#FFEEF3EB" Offset="1"/>

<GradientStop Color="#FF0B72B4"/>

<GradientStop Color="#FF549BC5" Offset="0.323"/>

<GradientStop Color="#FFA4C9D8" Offset="0.677"/>

</LinearGradientBrush>

</Border.Background>

</Border>

<Border Grid.Row="1" Margin="0,0,0,0" VerticalAlignment="Top" Height="40" Width="Auto">

<StackPanel Orientation="Horizontal">

<telerikControls:RadButton Content="Mode" Height="30" Width="80" Margin="15,5,0,5"/>

<telerikControls:RadButton Content="Load" Height="30" Width="80" Margin="15,5,0,5" Command="{Binding LoadCommand}" />

<telerikControls:RadButton Content="Cancel" Height="30" Width="80" Margin="15,5,0,5" Command="{Binding CancelCommand}" />

</StackPanel>

</Border>

<Border Grid.Row="2" Margin="12,12,10,12">

<telerik:RadGridView x:Name="OUGridView" AutoGenerateColumns="True"

ItemsSource="{Binding Path=OrganizationalUnitsDT.DefaultView}"

IsBusy="false" Grid.Row="2" SelectionMode="Multiple" Margin="0,0,0,0"

Height="Auto" Width="Auto" >

</telerik:RadGridView>

</Border>

</Grid>

</UserControl>

GridView

answered on 10 Mar 2011

2 answers

100 views

Can you use multiple datasources?

I can occasionally have SeriesMappings that I want to use a separate object to provide my data source.

My app is fairly heavy on charts and data and has pretty decent viewmodels for the charts. We bind directly to different objects for our current charting engines DataSeries. Since the datasources can be swapped several objects below (but all INotify) we avoid alot of wiring.

Chart

answered on 10 Mar 2011

1 answer

151 views

Scrolling to a timeslot using command

Hi,

I would like to implemement a command (a button) to scroll automatically to a timeslot.

Here is my scenario : I enter a timeslot (for exemple 9:00 PM) from the GUI, I click on the button and the scheduleview automatically scrolls to the timeslot.

Are there mechanisms that allow to scroll to a timeslot?

Regards.
C.Léoni.

ScheduleView

answered on 09 Mar 2011

3 answers

168 views

Exception when dragging GridViewRow over ScheduleView

I´m using RadDocking. In one RadPane is GridView, in second ScheduleView. I use dragging items from GridView for reordering rows in GridView according to demo "GridView - Reorder rows". I´m using version 2010.3.1314.35
When I drag GridViewRow over ScheduleView, NullReferrence exeption appears. I think, it´s a bug. See attached printscreens for more information.

System.NullReferenceException was unhandled

Message=Object reference not set to an instance of an object.

Source=Telerik.Windows.Controls.ScheduleView

StackTrace:

at Telerik.Windows.Controls.DefaultDragDropBehavior.GetDragDropState(Object payload, IDataObject dragDataObject, IEnumerable destinationAppointmentsSource, IServiceProvider serviceProvider) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\ScheduleView\ScheduleView\DragDropBehavior\DefaultDragDropBehavior.cs:line 43

at Telerik.Windows.Controls.DragDropHelper.GetStateForDragDrop(Object payload, DataObject dropDataObject, Point relativeDragPoint) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\ScheduleView\ScheduleView\DragDropBehavior\Helpers\DragDropHelper.cs:line 660

at Telerik.Windows.Controls.DragDropHelper.OnDropQuery(Object sender, DragDropQueryEventArgs e) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\ScheduleView\ScheduleView\DragDropBehavior\Helpers\DragDropHelper.cs:line 402

at Telerik.Windows.Controls.DragDrop.DragDropQueryEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Core\Controls\DragDrop\DragDropQueryEventArgs.cs:line 50

at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)

at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)

at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)

at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)

at System.Windows.UIElement.RaiseEvent(RoutedEventArgs e)

at Telerik.Windows.Controls.DragDrop.RadDragAndDropManager.DragDropProvider_DropQuery(Object sender, DragDropEventArgs e) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Core\Controls\DragDrop\RadDragAndDropManager.cs:line 314

at Telerik.Windows.Controls.DragDrop.DragDropProviderBase.RaiseDropQuery() in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Core\Controls\DragDrop\DragProviders\DragDropProviderBase.cs:line 182

at Telerik.Windows.Controls.DragDrop.SimulatedDragDropProvider.OnRealDrag(IMouseEventArgs e) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Core\Controls\DragDrop\DragProviders\SimulatedDragDropProvider.cs:line 469

at Telerik.Windows.Controls.DragDrop.SimulatedDragDropProvider.OnCoverRectangleMouseMoveInternal(IMouseEventArgs e) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Core\Controls\DragDrop\DragProviders\SimulatedDragDropProvider.cs:line 361

at Telerik.Windows.Controls.DragDrop.WPFSimulatedDragDropProvider.OnCoverRectangleMouseMove(Object sender, MouseEventArgs e) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Core\Controls\DragDrop\DragProviders\WPFSimulatedDragDropProvider.cs:line 380

at System.Windows.Input.MouseEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)

at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)

at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)

at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)

at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)

at System.Windows.UIElement.RaiseTrustedEvent(RoutedEventArgs args)

at System.Windows.UIElement.RaiseEvent(RoutedEventArgs args, Boolean trusted)

at System.Windows.Input.InputManager.ProcessStagingArea()

at System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)

at System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)

at System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)

at System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)

at System.Windows.Interop.HwndSource.InputFilterMessage(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.Threading.Dispatcher.Run()

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 Administration2010.App.Main() in D:\ZSVNN\Administration2010\Administration2010\obj\x86\Debug\App.g.cs:line 50

at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)

at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)

at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()

at System.Threading.ThreadHelper.ThreadStart_Context(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.Threading.ThreadHelper.ThreadStart()

InnerException:

ScheduleView

answered on 09 Mar 2011

1 answer

117 views

Problem in WPF Controls

Hi,
When I am trying to add WPF controls to my tool box the whole visual studio is close..

How can we resolve this problem?

Thanks in advance

Gauges

answered on 09 Mar 2011

5 answers

189 views

Performance problems when a RadGridView's inside a Popup?

Ordinarily, if I hide/show an element containing a RadGridView, when I show it the first time, it takes around a half second to initialize, but when I show it a second time it appears almost instantaneously.

Unless I put it in a Popup, as I discovered when trying to implement a ComboBox-like UserControl. Then it initializes every time the Popup is displayed. The RadGridView in this example is bound to a collection containing three strings, and it takes about a half second to display every time I click on the ToggleButton:

<ToggleButton DockPanel.Dock="Top"

x:Name="Toggle">Show/Hide</ToggleButton>

<Popup IsOpen="{Binding ElementName=Toggle, Path=IsChecked}"

Placement="Bottom">

<Controls:RadGridView ItemsSource="{Binding Strings}"

ShowGroupPanel="False"

AutoGenerateColumns="False">

<Controls:RadGridView.Columns>

<Controls:GridViewDataColumn IsFilterable="False"

IsGroupable="False"

IsReadOnly="True"

SortingState="Ascending"