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RadRichTextBox with a small width

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RichTextBox
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CarlosLima
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CarlosLima asked on 27 Jul 2010, 11:17 AM
Hi,

I try to setup one radRichTextBox with a very small width, but when i try to execute, it gives me a error:

Webpage error details
 
User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Timestamp: Tue, 27 Jul 2010 10:14:50 UTC
 
 
Message: Unhandled Error in Silverlight Application
Code: 4004   
Category: ManagedRuntimeError      
Message: System.UnauthorizedAccessException: Invalid cross-thread access.
   at MS.Internal.XcpImports.CheckThread()
   at System.Windows.DependencyObject..ctor(UInt32 nativeTypeIndex, IntPtr constructDO)
   at System.Windows.DependencyObject..ctor()
   at Telerik.Windows.Documents.Model.DocumentElement..ctor()
   at Telerik.Windows.Documents.Model.Inline..ctor()
   at Telerik.Windows.Documents.Model.Span..ctor()
   at Telerik.Windows.Documents.Model.Span..ctor(Span originalSpan)
   at Telerik.Windows.Controls.RadRichTextBox.TrackPreviousStyles()
   at Telerik.Windows.Documents.UI.DocumentPresenterBase.CaretPosition_LocationChanging(Object sender, EventArgs e)
   at Telerik.Windows.Documents.DocumentPosition.OnLocationChanging()
   at Telerik.Windows.Documents.DocumentPosition.CallOnPositionChanging()
   at Telerik.Windows.Documents.DocumentPosition.Reset()
   at Telerik.Windows.Documents.DocumentPosition.RemoveAnchorFromNextFormattingSymbol()
   at Telerik.Windows.Documents.DocumentPosition.RemoveAnchor_EventHandler(Object sender, EventArgs e)
   at Telerik.Windows.Documents.Layout.LayoutBox.OnElementStructureChanged()
   at Telerik.Windows.Documents.Layout.LayoutBox.CallOnElementStructureChanged(Boolean isRemoved)
   at Telerik.Windows.Documents.DocumentStructure.DocumentStructureCollection.ReplaceLayoutBox(LayoutBox boxWithNodeToUpdate, SpanLayoutBox newNodeValue)
   at Telerik.Windows.Documents.Layout.ParagraphLayoutBox.CreateLayoutBoxesFromContent(LayoutBox fromBox, Span span, String text)
   at Telerik.Windows.Documents.Layout.ParagraphLayoutBox.CreateLayoutBoxesFromContent()
   at Telerik.Windows.Documents.Layout.ParagraphLayoutBox.MeasureOverride(SizeF availableSize)
   at Telerik.Windows.Documents.Layout.LayoutElement.MeasureCore(SizeF availableSize)
   at Telerik.Windows.Documents.Layout.LayoutElement.Measure(SizeF availableSize)
   at Telerik.Windows.Documents.Layout.SectionLayoutBox.MeasureOverride(SizeF availableSize)
   at Telerik.Windows.Documents.Layout.LayoutElement.MeasureCore(SizeF availableSize)
   at Telerik.Windows.Documents.Layout.LayoutElement.Measure(SizeF availableSize)
   at Telerik.Windows.Documents.Layout.LayoutElement.Arrange(RectangleF finalRect)
   at Telerik.Windows.Documents.Layout.DocumentLayoutBox.ArrangeTask.ArrangeCallback(Object state)
   at System.Threading.QueueUserWorkItemCallback.WaitCallback_Context(Object state)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx)
   at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()    
 
Line: 56
Char: 13
Code: 0
URI: http://localhost:59403/DemoGenericsTestPage.aspx

The code i want to run is:
<telerik:RadRichTextBox x:Name="mytextArea1" Width="20"/>

The version i have is the last one for silverlight (Q2 2010 i think).

Thanks

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Boby
Telerik team
answered on 29 Jul 2010, 03:54 PM
Hi David Petronzio,

Thank you for this bug report. I will add this issue in our to-do list for SP1.
As a workaround, avoid setting RadRichTextBox's Width under 27, or if this is required, set the PageLayout property of the RadDocument to Paged.

Best wishes,
Boby
the Telerik team
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RichTextBox
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CarlosLima
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Answers by
Boby
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