C# Win32消息系列-User32.dll

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VIP免费原创最新推荐文章于 2026-08-24 09:46:23 发布 1.2k 阅读 AI 写同款· GEO 优化 ›

C#使用SendMessage获取其他程序的输入框中的值 using System; using System.Collections.Generic; using System.Linq; using System.Runtime.InteropServices; using System.Text; using System.Threading.Tasks; namespace ConsoleApp1 { class Program ... 阅读详情

        [DllImport("User32.dll", EntryPoint = "SendMessage")]
        private static extern int SendMessage(
        IntPtr hWnd,　　　// handle to destination window 
        int msg,　　　 // message 
        int wParam,　// first message parameter 
        int lParam // second message parameter 
        );

        [DllImport("User32.dll")]
        private static extern IntPtr GetSystemMenu(IntPtr hWnd,bool bRevert);
        [DllImport("User32.dll")]
        private static extern bool EnableWindow(IntPtr hWnd, bool bEnabled);
        [DllImport("User32.dll")]
        private static extern bool ShowWindow(IntPtr hWnd, int showFlag);
        [DllImport("User32.dll")]
        private static extern IntPtr GetSubMenu(IntPtr hWnd, int pos); 
        [DllImport("User32.dll")]
        private static extern int GetMenuItemCount(IntPtr hWnd);  
        [DllImport("User32.dll")]
        private static extern IntPtr GetMenu(IntPtr hWnd);   
        [DllImport("User32.dll")]
        private static extern bool SetWindowTextA(IntPtr hWnd,string text);