windows appliction resize application based on screen resolution dynamically

hi
form is resizing.
but controls are not resizing

hi

      Screen scr = Screen.PrimaryScreen;
            this.Left = (scr.WorkingArea.Width - this.Width) / 2;
            this.Top = (scr.WorkingArea.Height - this.Height) / 2;


            // Retrieve the working rectangle from the Screen class
            // using the PrimaryScreen and the WorkingArea properties.
            System.Drawing.Rectangle workingRectangle =
                Screen.PrimaryScreen.WorkingArea;

            // Set the size of the form slightly less than size of
            // working rectangle.
            this.Size = new System.Drawing.Size(
                workingRectangle.Width - 10, workingRectangle.Height - 10);

            // Set the location so the entire form is visible.
            this.Location = new System.Drawing.Point(5, 5);