https://www.leanwind.com/archives/5791.html

HWND hWnd = NULL;
OpenClipboard( hWnd );//打开剪切板
EmptyClipboard();//清空剪切板
HANDLE hHandle = GlobalAlloc(GMEM_FIXED, 1000);//分配内存
char* pData = (char*) GlobalLock(hHandle);//锁定内存，返回申请内存的首地址
strcpy_s(pData,1000,"this is a ClipBoard Test.");//或strcpy(pData, "this is a ClipBoard Test.");
SetClipboardData(CF_TEXT, hHandle);//设置剪切板数据
GlobalUnlock(hHandle);//解除锁定
CloseClipboard();//关闭剪切板