move form by dragging control

Question

How can I move/reposition a form by dragging a control on that form with the mouse?

I want to make a form with no boarder and a transparent background with a few progress bars on it. I want the user to be able to move the form by clicking and dragging one of the progress bars in the form

Answer 1

http://www.dotnetrix.co.uk/misc.html

Answer 2

Hi,

Try my Pick and Drop method if it works for you:

First, add this code to your Form:

private bool _dragging = false; private Point _dragAt = Point.Empty; public void Pick(Control control, int x, int y) {   _dragging = true;   _dragAt = new Point(x,y);   control.Capture = true; } public void Drop(Control control) {   _dragging = false;   control.Capture = false; }

Then, handle your progress bar's MouseDown event, and add this code to the event method (the codes to be added to your event method is colored brown):

private void MyProgressBar_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) {   Pick((Control)sender,e.X,e.Y); }

Also handle your progress bar's MouseUp event, and add this code to the event method:

private void MyProgressBar_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e) {   Drop((Control)sender); }

Finally, to make you progressbar able to drag the Form, handle the MouseMove event of your progress bar, and add this code to your event method:

private void MyProgressBar_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e) {   if (_dragging)   {     Left = e.X + Left - _dragAt.X;     Top = e.Y + Top - _dragAt.Y;   }   else _dragAt = new Point(e.X,e.Y); }

Good luck and happy coding,

-chris