请各位高手看一下这段程序,g_str是一个字符串,我想多次调用这段程序来拷贝粘贴g_str,但是只有第一次成功,以后改变g_str,都没有效果.
HGLOBAL hMem;
LPTSTR pStr;
// 分配内存空间
hMem = GlobalAlloc(GHND | GMEM_SHARE, sizeof(g_str));
pStr = (LPTSTR)GlobalLock(hMem);
lstrcpy(pStr, g_str);
GlobalUnlock(hMem);
OpenClipboard(NULL);
EmptyClipboard();
// 设置剪贴板文本
hReturn = SetClipboardData(CF_TEXT, hMem);
CloseClipboard();
// 释放内存空间
GlobalFree(hMem);
// 粘贴文本
SendMessage(hRich, WM_PASTE, 0, 0);
HGLOBAL hMem;
LPTSTR pStr;
// 分配内存空间
hMem = GlobalAlloc(GHND | GMEM_SHARE, sizeof(g_str));
pStr = (LPTSTR)GlobalLock(hMem);
lstrcpy(pStr, g_str);
GlobalUnlock(hMem);
OpenClipboard(NULL);
EmptyClipboard();
// 设置剪贴板文本
hReturn = SetClipboardData(CF_TEXT, hMem);
CloseClipboard();
// 释放内存空间
GlobalFree(hMem);
// 粘贴文本
SendMessage(hRich, WM_PASTE, 0, 0);
CString source;
//put your text in source
if(OpenClipboard())
{
HGLOBAL clipbuffer;
char * buffer;
EmptyClipboard();
clipbuffer = GlobalAlloc(GMEM_DDESHARE, source.GetLength()+1);
buffer = (char*)GlobalLock(clipbuffer);
strcpy(buffer, LPCSTR(source));
GlobalUnlock(clipbuffer);
SetClipboardData(CF_TEXT,clipbuffer);
CloseClipboard();
}从剪贴板得到数据
char * buffer = NULL;
//open the clipboard
CString fromClipboard;
if ( OpenClipboard() )
{
HANDLE hData = GetClipboardData( CF_TEXT );
char * buffer = (char*)GlobalLock( hData );
fromClipboard = buffer;
GlobalUnlock( hData );
CloseClipboard();
}
可能在获取的函数中出问题吧。
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