There are two techniques that might be a big help. Both of them are described very well by Bea Stolnitz on her blog. The first is UI Virtualization and the second is Data Virtualization In UI virtualization you use things like VirtualizingStackPanel to make the UI draw fewer things. Data virtualization makes sure you don’t … Read more
I found another way of handling selection in the MVVM pattern, which solved my issue. Instead of maintaining the selection in the viewmodel, the selection is retrieved from the ListView/ListBox, and passed as a parameter to the Command. All done in XAML: <ListView x:Name=”_items” ItemsSource=”{Binding Items}” … /> <Button Content=”Remove Selected” Command=”{Binding RemoveSelectedItemsCommand}” CommandParameter=”{Binding ElementName=_items, … Read more
Currently I have my stackpanel with an auto width (and the problem is maybe here) that contains some items like grids. This is your problem. A StackPanel measures its children with infinite horizontal space if its Orientation property is set to Horizontal and infinite vertical space if it is set to Vertical. So you will … Read more
This was bugging me for a while too, the trick is to put your stackpanel within a scrollviewer. Also, you need to ensure that you set the CanContentScroll property of the scroll viewer to True, here’s an example: <ScrollViewer Grid.Row=”1″ Margin=”299,12,34,54″ Name=”ScrollViewer1″ VerticalScrollBarVisibility=”Auto” HorizontalScrollBarVisibility=”Auto” Height=”195″ CanContentScroll=”True”> <StackPanel Name=”StackPanel1″ OverridesDefaultStyle=”False” Height=”193″ Width=”376″ VerticalAlignment=”Top” HorizontalAlignment=”Left”></StackPanel> </ScrollViewer>
You need a wee bit of Win32 API magic. The tab control sends the TCM_ADJUSTRECT message to allow the app to adjust the tab size. Add a new class to your project and paste the code shown below. Compile. Drop the new control from the top of the toolbox onto your form. You’ll get the … Read more