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  • [WinApi] C#获取其他窗口文本框内容(转)

    声明部分:

    1 const int WM_GETTEXT = 0x000D;
    2 const int WM_GETTEXTLENGTH = 0x000E;
    3  
    4 [DllImport("user32.dll", EntryPoint = "SendMessageA")]
    5 public static extern int SendMessage(int hwnd, int wMsg, int wParam, Byte[] lParam);
    6  
    7 [DllImport("user32.dll", EntryPoint="SendMessageA")]
    8 public static extern int SendMessage(int hwnd, int wMsg, int wParam, int lParam);

    函数部分:

     1 IntPtr mwh = FindMainWindowHandle("窗口名称", 100, 25);  //主窗口句柄
     2 IntPtr HwndStatue = FindWindowEx(mwh, IntPtr.Zero, "Edit", null);   //文本框句柄
     3  
     4 if (HwndStatue != IntPtr.Zero)
     5 {                
     6     int TextLen;
     7     TextLen = SendMessage((int)HwndStatue, WM_GETTEXTLENGTH, 0, 0);
     8     Byte[] byt = new Byte[TextLen];
     9     SendMessage((int)HwndStatue, WM_GETTEXT, TextLen + 1, byt);
    10     string str = Encoding.Default.GetString(byt);
    11 }
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  • 原文地址:https://www.cnblogs.com/xiaoa/p/4303766.html
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