ImageGlass.frmMain.mnuMainScaleToHeight_Click C# (CSharp) Method

        private void mnuMainScaleToHeight_Click(object sender, EventArgs e)
        {
            if (picMain.Image == null)
            {
                return;
            }

            // Scale to Height
            double frac = picMain.Height / (1.0 * picMain.Image.Height);
            picMain.Zoom = (int)(frac * 100);
        }