private void myRelationshipTree_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
var dragAction = DragDropEffects.None;
if ((Keyboard.Modifiers & ModifierKeys.Shift) != ModifierKeys.None)
{
dragAction = DragDropEffects.Move;
}
else if ((Keyboard.Modifiers & ModifierKeys.Control) != ModifierKeys.None)
{
dragAction = DragDropEffects.Copy;
}
if (dragAction == DragDropEffects.None)
{
return;
}
var draggedItem = myTree.GetItemAtLocation <TreeViewItem>(MouseUtilities.GetMousePosition(myTree));
if (draggedItem == null)
{
return;
}
var dragInfo = new TreeDragInfo(draggedItem);
dragInfo.Action = dragAction;
DragDrop.DoDragDrop(myTree, dragInfo.ToDataObject(), dragInfo.Action);
e.Handled = true;
}
private void myRelationshipTree_MouseLeftButtonDown( object sender, MouseButtonEventArgs e )
{
var dragAction = DragDropEffects.None;
if ( ( Keyboard.Modifiers & ModifierKeys.Shift ) != ModifierKeys.None )
{
dragAction = DragDropEffects.Move;
}
else if ( ( Keyboard.Modifiers & ModifierKeys.Control ) != ModifierKeys.None )
{
dragAction = DragDropEffects.Copy;
}
if ( dragAction == DragDropEffects.None )
{
return;
}
var draggedItem = myTree.GetItemAtLocation<TreeViewItem>( MouseUtilities.GetMousePosition( myTree ) );
if ( draggedItem == null )
{
return;
}
var dragInfo = new TreeDragInfo( draggedItem );
dragInfo.Action = dragAction;
DragDrop.DoDragDrop( myTree, dragInfo.ToDataObject(), dragInfo.Action );
e.Handled = true;
}
