1. // 004_进程通讯_WM_COPYDATA_接收方.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。
    2. //
    3. #include <windows.h>
    4. #include "resource.h"
    5. #include <atlstr.h>
    7. INT_PTR CALLBACK DlgProc(HWND hWnd, UINT uMsg, WPARAM w, LPARAM l)
    8. {
    9.     switch (uMsg)
    10.     {
    11.         case WM_CLOSE:
    12.             EndDialog(hWnd,0);
    13.             break;
    14.         case WM_COPYDATA:
    15.         {
    16.             COPYDATASTRUCT* pCds = (COPYDATASTRUCT*)l;
    17.             CString buff;
    18.             buff.Format(L"%x 大小:%d 数据:%s",
    19.                         pCds->dwData,
    20.                         pCds->cbData,
    21.                         pCds->lpData);
    22.             MessageBox(hWnd, buff, L"提示", 0);
    23.         }
    24.             break;
    25.         default:
    26.             break;
    27.     }
    28.     return false;
    29. }
    30. int WinMain( _In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _In_ LPSTR lpCmdLine, _In_ int nShowCmd )
    31. {
    32.     DialogBox(hInstance,
    33.         (TCHAR*)IDD_DIALOG1,
    34.               NULL,
    35.               DlgProc);
    36. }