C# winform 擷取非客戶區域大小

擷取标題欄高度,左右邊框的寬度和下邊框的高度

    public class NonClientSize

    {

        public int TitleBar = 0;

        public int LeftBorder = 0;

        public int RightBorder = 0;

        public int BottomBorder = 0;

}

        protected NonClientSize GetNonClientSize()

        {

            NativeMethods.RECT rect = new NativeMethods.RECT();

            rect.Left = rect.Right = rect.Top = rect.Bottom = 0;

            var cp = CreateParams;//Form

            SafeNativeMethods.AdjustWindowRectEx(ref rect, cp.Style, false, cp.ExStyle);

            var nonClientSize = new NonClientSize();

            nonClientSize.TitleBar = Math.Abs(rect.Top);

            nonClientSize.LeftBorder = Math.Abs(rect.Left);

            nonClientSize.RightBorder = rect.Right;

            nonClientSize.BottomBorder = rect.Bottom;

            return nonClientSize;

        }