C#

#region IMessageFilter Members
public bool PreFilterMessage(ref Message m)
{
	if (m.Msg >= 513 && m.Msg <= 515)
	{
		System.Diagnostics.Trace.WriteLine("Caught");
		return true;
	}
	return false;
}
#endregion

private void Form1_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
	this.Location = PointToScreen(new Point(e.X, e.Y));
}

<br />
private void EditEmp_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)<br />
{<br />
	dragging = true;<br />
	this.Dock = System.Windows.Forms.DockStyle.None;<br />
	this.Location = PointToScreen(new Point(e.X, e.Y));<br />
}<br />
>/code><br />
<br />
and it doesnt move the dialog to where my mouse is

Point originalFormLocation;
Point originalMouseDownLocation;
bool state;
onMouseDown()
{
  // save original screen coordinates of form
  // save original screen coordinates of mouse
  state = moving;
}

onMouseMove()
{
 if (state = moving)
 {
   // get current screen coordinated of mouse
   // calculate offset
   // apply offset to original form location
   // set form location
 }
}

onMouseUp()
{
  // reset state
}