Move the Form (that FormBoderStyle is None)?

Move the Form (that FormBoderStyle is None)?

• madmax2003

  Here it is, the code you have been looking for!

  protected override void WndProc(ref Message m)

  {

  base.WndProc(ref m);

  int WM_NCHITTEST = 0x84;

  if (m.Msg == WM_NCHITTEST)

  {

  int HTCLIENT = 1;

  int HTCAPTION = 2;

  if (m.Result.ToInt32() == HTCLIENT)

  m.Result = (IntPtr)HTCAPTION;

  }

  }

  
  
  

• Richard Hardy

  You can use the DragMove() method in a event of mouse left button down.

  private void obj_MouseLeftButtonDown(object sender, System.Windows.Input.MouseButtonEventArgs e) {

    this.DragMove();

  }

  
  

• twolfkg

  You will have to handle the event for mouse down, up, and move.

  In the mouse move event you will move the form if a mouse down event has happened but not yet a mouse up event. This will let the move form code only to run when mouse button is down.

  When you detect a mouse down event you need to record the current x, y positions of the mouse, it is in the MouseEventArg. Then in the mouse move event you can calculate the how much the mouse have been moved in each direction and move the form accordingly.

  This is pseudo code just to demonstrate flow.
  EDIT: Ooops, wrote the pseude code in VB style instead of C# style

  Boolean bIsMoving;
  Point loc;

  void OnMouseDown(MouseEventArg mea)
  {
     bIsMoving = true;
     loc = mea.Location;
  }

  void OnMouseUp(MouseEventArg mea)
  {
     bIsMoving = false;
  }
  

  void OnMouseMove(MouseEventArg mea)
  {
     if (true == bIsMoving)
     {
        this.Left = this.Left + mea.Location.X - loc.X;
        this.Top = this.Top + mea.Location.Y - loc.Y;
     }
  }

  
  
  

• Rajesh Patel

  hi,

  Is your problem solved

  Thank you,
  Bhanu.

  
  
  

• Ondis

  hi,

  you want to move the form onto a control, strange isn't it

  
  
  
• Move the Form (that FormBoderStyle is None)?