Drag problem

robinttzs

bool isMouseDown = false;
        Point mouseOffset;

private void label1_MouseUp (object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                isMouseDown = false;
            }
        }

        private void label1_MouseMove (object sender, MouseEventArgs e)
        {
            if (isMouseDown)
            {
                Point mousePos = Control.MousePosition;
                mousePos.Offset (mouseOffset.X, mouseOffset.Y);
                this.Location = mousePos;
            }
        }

        private void label1_MouseDown (object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                mouseOffset = new Point (-e.X, -e.Y);
                isMouseDown = true;
            }
        }


I want to implement a Label drag, but as soon as I drag the mouse to the 0,0 coordinates of the Form, what is going on?

Besides, how can you drag the controls?

savage698

It is recommended that you use the hittest method to live the position of the mouse