程序代码：

 #include <Windows.h>
#include "resource.h"

HINSTANCE hInst;
HWND hDlg,hNext;
BOOL CALLBACK DlgProc(HWND hDlg,UINT Msg,WPARAM w,LPARAM l){
    switch(Msg){
    case WM_INITDIALOG:
        hNext=SetClipboardViewer(hDlg);
        return TRUE;

    case WM_DRAWCLIPBOARD:{
        OpenClipboard(hDlg);
        HANDLE hMem=GetClipboardData(CF_TEXT);
        SetDlgItemTextA(hDlg,IDC_MSG,(LPSTR)GlobalLock(hMem));
        GlobalUnlock(hMem);
        CloseClipboard();
        SendMessage(hNext,WM_DRAWCLIPBOARD,0,0);
        
        FLASHWINFO fwi;
        fwi.cbSize=sizeof(fwi);
        fwi.dwFlags=FLASHW_CAPTION;
        fwi.dwTimeout=10;
        fwi.hwnd=hDlg;
        fwi.uCount=5;
        FlashWindowEx(&fwi);
        return TRUE;
    }

    case WM_CLOSE:
         ChangeClipboardChain(hDlg,hNext);
        EndDialog(hDlg,w);
        return TRUE;
    }
    return FALSE;
}

int CALLBACK WinMain(HINSTANCE hInstance,HINSTANCE,LPSTR lpCmdLine,int nShowCmd){
    hInst=hInstance;
    return (int)DialogBoxParam(hInstance,MAKEINTRESOURCE(IDD_MAIN),NULL,DlgProc,NULL);
}