How to do something like drag and drop between windows?

Question

Windows Forms

I have two forms. Each form has a control. From the control of one form, I'm trying to make a drag gesture with the mouse on the control of another form using mouse down and mouse up.
But this focus does not work.
Before releasing the mouse button, when I point to another form on the control, the thread hangs on the first window waiting for the mouse up and other events are not processed by the other form.

Answer 1

This is done by drag / drop events, not by mouse
windows form drag drop between forms