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Asked: 2026-05-17T02:45:05+00:00

I have a drag-and-drop event handler registered to a parent form, this.DragDrop += new

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I have a drag-and-drop event handler registered to a parent form, 

this.DragDrop += new DragEventHandler(Form_DragDrop);

There are several child form that are derived from the parent form. However, when I drag an item inside the forms, the action is only valid if there are no other components in that area.

I would like the drag-and-drop action to be valid in ALL areas of the form, including buttons, textboxes, etc. Is there anyway to specify some sort of overriding behavior inside the parents form?

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1 Answer

  1. Editorial Team

    You will have to implement the D+D events on all the controls. Not exactly practical, but you could do so by iterating the Form.Controls collection recursively. Give the user a good drop target, makes it easier for her to guess where to drop, easier for you to implement the code.

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