C#:屏幕显示区域问题

更改电脑屏幕显示的文字大小后，平面显示区域问题。

/// <summary>
        /// 屏幕显示尺寸
        /// </summary>
        public static Size ReviseScreenSize
        {
            get
            {
                float pixels = getLogPiex();
                float dxPrecent = 96 / pixels; //pixels / 96;
                Screen s = Screen.PrimaryScreen;
                Size primarySize = s.Bounds.Size;
                Size returnSize = new Size();
                returnSize.Width = (int)(primarySize.Width * dxPrecent);
                returnSize.Height = (int)(primarySize.Height * dxPrecent);
                return returnSize;
            }
        }

        public static float getLogPiex()
        {
            float returnValue = 96;
            RegistryKey key = Registry.CurrentUser;
            RegistryKey pixeKey = key.OpenSubKey("Control Panel\\Desktop");
            if (pixeKey != null)
            {
                var pixels = pixeKey.GetValue("LogPixels");
                if (pixels != null)
                {
                    returnValue = float.Parse(pixels.ToString());
                }
                pixeKey.Close();
            }
            return returnValue;
        }

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