重绘系统菜单

最新推荐文章于 2025-05-26 10:29:45 发布

heyu52

最新推荐文章于 2025-05-26 10:29:45 发布

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CC 4.0 BY-SA版权

文章标签： image null user struct class

本文链接：https://blog.youkuaiyun.com/heyu52/article/details/2755847

using System;
using System.Drawing;

namespace HVS.Common
{
    public class ChangeSystemMenuColor
    {
        public static void SystemMenuColor(IntPtr Hwnd, Color color)
        {

            MENUINFO MENUINFO = new MENUINFO();
            MENUINFO.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(MENUINFO);
            MENUINFO.fMask = 2;

Bitmap bmp = new Bitmap(200, 200);

Brush b;
b = new SolidBrush(color);

Graphics g = Graphics.FromImage(bmp);
g.FillRectangle(b, new Rectangle(0, 0, 200, 200));

            if (bmp == null) MENUINFO.hbrBack = 0; else MENUINFO.hbrBack = Win32.CreatePatternBrush((bmp.GetHbitmap()).ToInt32());
            try
            {
                Win32.SetMenuInfo(Win32.GetSystemMenu(Hwnd.ToInt32(), 0), ref MENUINFO);

            }
            catch
            {

}
}

        public static void SystemMenuColor(IntPtr Hwnd, Image image)
        {
            MENUINFO MENUINFO = new MENUINFO();
            MENUINFO.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(MENUINFO);
            MENUINFO.fMask = 2;

Bitmap bmp = new Bitmap(200, 200);

Brush b;
b = new System.Drawing.TextureBrush(image);

Graphics g = Graphics.FromImage(bmp);
g.FillRectangle(b, new Rectangle(0, 0, 200, 200));

            }
            catch
            {

}
}

        public static void SystemMenuColor(IntPtr Hwnd, Color color1, Color color2, int direct)
        {
            MENUINFO MENUINFO = new MENUINFO();
            MENUINFO.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(MENUINFO);
            MENUINFO.fMask = 2;

Bitmap bmp = new Bitmap(200, 200);

            Brush b;
            Point p1, p2;
            if (direct == 0)
            {
                p1 = new Point(0, 0);
                p2 = new Point(200, 0);
            }
            else if (direct == 1)
            {
                p1 = new Point(0, 0);
                p2 = new Point(0, 200);
            }
            else if (direct == 2)
            {
                p2 = new Point(0, 0);
                p1 = new Point(200, 200);
            }
            else
            {
                p2 = new Point(200, 0);
                p1 = new Point(0, 200);
            }
            b = new System.Drawing.Drawing2D.LinearGradientBrush(p1, p2, color1, color2);

Graphics g = Graphics.FromImage(bmp);
g.FillRectangle(b, new Rectangle(0, 0, 200, 200));

            if (bmp == null)
                MENUINFO.hbrBack = 0;
            else
                MENUINFO.hbrBack = Win32.CreatePatternBrush((bmp.GetHbitmap()).ToInt32());
            try
            {
                Win32.SetMenuInfo(Win32.GetSystemMenu(Hwnd.ToInt32(), 0), ref MENUINFO);
            }
            catch
            {

}
}

        public static void UnSystemMenuColor(IntPtr Hwnd)
        {
            MENUINFO MENUINFO = new MENUINFO();
            MENUINFO.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(MENUINFO);
            MENUINFO.fMask = 2;
            MENUINFO.hbrBack = 0;
            try
            {
                Win32.SetMenuInfo(Win32.GetSystemMenu(Hwnd.ToInt32(), 0), ref MENUINFO);

            }
            catch
            {

}
}

[DllImport("user32")]
public static extern IntPtr GetSystemMenu(int hwnd, int bRevert);

[DllImport("user32")]
public static extern IntPtr GetMenu(int hwnd);

[DllImport("user32")]
public static extern int SetMenuInfo(IntPtr hMenu, ref MENUINFO mi);

[DllImport("gdi32")]
public static extern int CreatePatternBrush(int hBitmap);

}

public struct MENUINFO
    {
        public int cbSize;
        public uint fMask;
        public int dwStyle;
        public int cyMax;
        public int hbrBack;
        public int dwContextHelpID;
        public int dwMenuData;
    }

}