| Код | ((ContentControl)(tabItem.Content)).Content == null
((ContentControl)(((ContentControl)(tabItem)).Content)).ContentTemplate == null
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Хотя этого не должно быть. Вот код где это просиходит, в чем может быть причина. | Код | var roomTable = from desks in context.RoomToStandartDesks where desks.id_room == room.id select desks.Desk; var tabItem = new TabItem { DataContext = roomTable, Header = headerText, }; if (controlTemplate == null) tabItem.Content = (object)roomTable; else tabItem.Content = new ContentControl { Template = controlTemplate }; tabItems.Add(tabItem);
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xaml ControlTemplate: | Код | <ControlTemplate x:Key="MyTabItemContentTemplate"> <StackPanel> <TextBlock Text="{Binding Path=x}"/> <ItemsControl ItemsSource="{Binding DataContext, Converter={StaticResource KeySimplyConvert}}"> <ItemsControl.ItemsPanel> <ItemsPanelTemplate> <Canvas Margin="10" Background="AliceBlue" HorizontalAlignment="Stretch" VerticalAlignment="Stretch"/> </ItemsPanelTemplate> </ItemsControl.ItemsPanel> <ItemsControl.ItemTemplate> <DataTemplate> <Border> <Border.RenderTransform> <TranslateTransform X="{Binding x, Mode=TwoWay}" Y="{Binding y, Mode=TwoWay}"/> </Border.RenderTransform> <Managerer:TablePanel DataContext="{Binding}" /> </Border> </DataTemplate> </ItemsControl.ItemTemplate> </ItemsControl> </StackPanel> </ControlTemplate>
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