private void TreeFavorites_MouseMove(object sender, MouseEventArgs e)
{
if (e.LeftButton == MouseButtonState.Pressed)
{
var selected = TreeFavorites.SelectedItem as FavoriteItem;
if (selected == null)
{
return;
}
var mousePos = e.GetPosition(null);
var diff = startPoint - mousePos;
if (Math.Abs(diff.X) > SystemParameters.MinimumHorizontalDragDistance ||
Math.Abs(diff.Y) > SystemParameters.MinimumVerticalDragDistance)
{
var treeView = sender as TreeView;
var treeViewItem = WindowUtilities.FindAnchestor <TreeViewItem>((DependencyObject)e.OriginalSource);
if (treeView == null || treeViewItem == null)
{
return;
}
var dragData = new DataObject(DataFormats.UnicodeText, selected.File + "|" + selected.Title);
DragDrop.DoDragDrop(treeViewItem, dragData, DragDropEffects.Copy);
IsDragging = true;
}
}
}
private void TreeFolderBrowser_MouseMove(object sender, MouseEventArgs e)
{
if (e.LeftButton == MouseButtonState.Pressed)
{
var selected = TreeFolderBrowser.SelectedItem as PathItem;
// Only allow the items to be dragged
var src = e.OriginalSource as TextBlock;
if (src == null)
{
return;
}
// only drag image files
if (selected == null || selected.IsFolder)
{
return;
}
var mousePos = e.GetPosition(null);
var diff = startPoint - mousePos;
if (Math.Abs(diff.X) > SystemParameters.MinimumHorizontalDragDistance ||
Math.Abs(diff.Y) > SystemParameters.MinimumVerticalDragDistance)
{
var treeView = sender as TreeView;
var treeViewItem = WindowUtilities.FindAnchestor <TreeViewItem>((DependencyObject)e.OriginalSource);
if (treeView == null || treeViewItem == null)
{
return;
}
var files = new[] { selected.FullPath };
var dragData = new DataObject(DataFormats.FileDrop, files);
DragDrop.DoDragDrop(treeViewItem, dragData, DragDropEffects.Copy);
}
}
}