WPF: TreeViewItem bound to an ICommand
- by Richard
Hi All,
I am busy creating my first MVVM application in WPF.
Basically the problem I am having is that I have a TreeView (System.Windows.Controls.TreeView) which I have placed on my WPF Window, I have decide that I will bind to a ReadOnlyCollection of CommandViewModel items, and these items consist of a DisplayString, Tag and a RelayCommand.
Now in the XAML, I have my TreeView and I have successfully bound my ReadOnlyCollection to this. I can view this and everything looks fine in the UI.
The issue now is that I need to bind the RelayCommand to the Command of the TreeViewItem, however from what I can see the TreeViewItem doesn't have a Command. Does this force me to do it in the IsSelected property or even in the Code behind TreeView_SelectedItemChanged method or is there a way to do this magically in WPF?
This is the code I have:
<TreeView BorderBrush="{x:Null}"
HorizontalAlignment="Stretch"
VerticalAlignment="Stretch">
<TreeView.Items>
<TreeViewItem
Header="New Commands"
ItemsSource="{Binding Commands}"
DisplayMemberPath="DisplayName"
IsExpanded="True">
</TreeViewItem>
</TreeView.Items>
and ideally I would love to just go:
<TreeView BorderBrush="{x:Null}"
HorizontalAlignment="Stretch"
VerticalAlignment="Stretch">
<TreeView.Items>
<TreeViewItem
Header="New Trade"
ItemsSource="{Binding Commands}"
DisplayMemberPath="DisplayName"
IsExpanded="True"
Command="{Binding Path=Command}">
</TreeViewItem>
</TreeView.Items>
Does someone have a solution that allows me to use the RelayCommand infrastructure I have.
Thanks guys, much appreciated!
Richard
