private void Icons_ItemDrag(object sender, ItemDragEventArgs e)
{ // The MemoryStream containing the image must cycle through the clipboard to Drag & Drop correctly.
// Mysteriously, the direct approach loses the alpha channel (background transparency) or will not drop.
CopyPicture_Click(sender, e);
Icons.DoDragDrop(Clipboard.GetDataObject(), DragDropEffects.All);
}
