In The MouseDown event for the control where the drag will begin, use the DoDragDrop method to seki the data to be dragged and the allowed effect dragging will have. For more information, see Data and AllowedEffect. When DragMove is called, the left mouse button must be depressed over an https://www.csharpegitimi.com.tr/2024/05/csharp-mouse-click-kullanimi.html