I'm getting the following error when using a docking panel.
Unhandled Error in Silverlight Application
Code: 4004
Category: ManagedRuntimeError
Message: System.NullReferenceException: Object reference not set to an instance of an object.
at Telerik.Windows.Controls.RadPaneGroup.OnIsInDocumentHostChanged(Boolean oldValue, Boolean newValue)
at Telerik.Windows.Controls.RadPaneGroup.Telerik.Windows.Controls.Docking.IDocumentHostAware.set_IsInDocumentHost(Boolean value)
at Telerik.Windows.Controls.RadSplitContainer.PrepareContainerForItemOverride(DependencyObject element, Object item)
at System.Windows.Controls.ItemsControl.MS.Internal.Controls.IGeneratorHost.PrepareItemContainer(DependencyObject container, Object item)
at System.Windows.Controls.ItemContainerGenerator.System.Windows.Controls.Primitives.IItemContainerGenerator.PrepareItemContainer(DependencyObject container)
at System.Windows.Controls.ItemsControl.AddVisualChild(Int32 containerIndex, DependencyObject container, Boolean needPrepareContainer)
at System.Windows.Controls.ItemsControl.AddContainers()
at System.Windows.Controls.ItemsControl.RecreateVisualChildren(IntPtr nativeItemsControl)
Here is a copy of the xaml code that throws the error, the code is inside of a grid:
Could someone please help me find the problem with the XAML.
Thanks for you help!
Unhandled Error in Silverlight Application
Code: 4004
Category: ManagedRuntimeError
Message: System.NullReferenceException: Object reference not set to an instance of an object.
at Telerik.Windows.Controls.RadPaneGroup.OnIsInDocumentHostChanged(Boolean oldValue, Boolean newValue)
at Telerik.Windows.Controls.RadPaneGroup.Telerik.Windows.Controls.Docking.IDocumentHostAware.set_IsInDocumentHost(Boolean value)
at Telerik.Windows.Controls.RadSplitContainer.PrepareContainerForItemOverride(DependencyObject element, Object item)
at System.Windows.Controls.ItemsControl.MS.Internal.Controls.IGeneratorHost.PrepareItemContainer(DependencyObject container, Object item)
at System.Windows.Controls.ItemContainerGenerator.System.Windows.Controls.Primitives.IItemContainerGenerator.PrepareItemContainer(DependencyObject container)
at System.Windows.Controls.ItemsControl.AddVisualChild(Int32 containerIndex, DependencyObject container, Boolean needPrepareContainer)
at System.Windows.Controls.ItemsControl.AddContainers()
at System.Windows.Controls.ItemsControl.RecreateVisualChildren(IntPtr nativeItemsControl)
Here is a copy of the xaml code that throws the error, the code is inside of a grid:
<
telerik:RadDocking
BorderThickness
=
"0"
Padding
=
"0"
>
<
telerik:RadDocking.DocumentHost
>
<
telerik:RadSplitContainer
>
<
telerik:RadPaneGroup
>
<
telerik:RadMap
x:Name
=
"xMap"
Height
=
"600"
InitializeCompleted
=
"xMap_InitializeCompleted"
MouseClickMode
=
"None"
>
<
telerik:InformationLayer
x:Name
=
"InformationLayer2"
AllowDataTemplateForZoomLevel
=
"True"
Visibility
=
"Collapsed"
ItemTemplate
=
"{StaticResource ZonePointTemplate}"
/>
<
telerik:InformationLayer
x:Name
=
"InformationLayer1"
AllowDataTemplateForZoomLevel
=
"True"
Visibility
=
"Collapsed"
/>
</
telerik:RadMap
>
</
telerik:RadPaneGroup
>
</
telerik:RadSplitContainer
>
</
telerik:RadDocking.DocumentHost
>
<
telerik:RadSplitContainer
InitialPosition
=
"DockedLeft"
>
<
telerik:RadPaneGroup
>
<
telerik:RadPane
Header
=
"Search Tools"
IsPinned
=
"True"
>
<
TextBlock
Text
=
"Search Tools"
/>
</
telerik:RadPane
>
<
telerik:RadPane
Header
=
"Map Options"
IsPinned
=
"True"
>
<
TextBlock
Text
=
"Map Options"
/>
</
telerik:RadPane
>
<
telerik:RadPane
Header
=
"Routing"
IsPinned
=
"True"
>
<
TextBlock
Text
=
"Routing"
/>
</
telerik:RadPane
>
</
telerik:RadPaneGroup
>
</
telerik:RadSplitContainer
>
<
telerik:RadSplitContainer
InitialPosition
=
"DockedRight"
>
<
telerik:RadPaneGroup
>
<
telerik:RadPane
Header
=
"Truck Information"
IsPinned
=
"False"
>
<
TextBlock
Text
=
"Truck Information"
/>
</
telerik:RadPane
>
</
telerik:RadPaneGroup
>
</
telerik:RadSplitContainer
>
</
telerik:RadDocking
>
Could someone please help me find the problem with the XAML.
Thanks for you help!