VC++ 剪贴板编程-蒲公英云

VC++ 剪贴板编程

亦凉 2022-11-16 15:14 247阅读 0赞

新建一个对话框工程；

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双击按钮，让你输入单击的成员函数名称，然后进入代码编辑；
void CJieqieDlg::OnButton1() 
{
    // TODO: Add your control notification handler code here
        if( !OpenClipboard() )
    {
        AfxMessageBox( _T("Cannot open the Clipboard!") );
        return;
    }
    if( !EmptyClipboard() )
    {
        AfxMessageBox( _T("Cannot empty the Clipboard!") );
        return;
    }
    // 取回当前控件的数据，hData开辟全局内存区域，存放数据
    CString str;
    this->GetDlgItemText( IDC_EDIT1, str );
    size_t cbStr = (str.GetLength()+1)*sizeof(TCHAR);
    HGLOBAL hData = GlobalAlloc(GMEM_MOVEABLE, cbStr);
    //memcpy_s( GlobalLock(hData), cbStr, str.LockBuffer(), cbStr );
    memcpy( GlobalLock(hData), str.LockBuffer(), cbStr );
    GlobalUnlock( hData );
    str.UnlockBuffer();
    UINT uiFormat = (sizeof(TCHAR)==sizeof(WCHAR)) ? CF_UNICODETEXT : CF_TEXT;
    if(::SetClipboardData( uiFormat, hData ) == NULL )
    {
        AfxMessageBox(_T("Unable to set Clipboard data"));
        CloseClipboard();
        return;
    }
    CloseClipboard();
}
void CJieqieDlg::OnButton2() 
{
    // TODO: Add your control notification handler code here
    if( !OpenClipboard() )
    {
        AfxMessageBox( _T("Cannot open the Clipboard!") );
        return;
    }
    // 选择合适的格式，读取的时候不用获得剪贴板的拥有权
    UINT uiFormat = (sizeof(TCHAR)==sizeof(WCHAR) ? CF_UNICODETEXT : CF_TEXT );
    HANDLE hData = ::GetClipboardData( uiFormat );
    if( NULL == hData )
    {
        AfxMessageBox( _T("Unable to get Clipboard data!") );
        CloseClipboard();
        return;
    }
    CString str;
    LPCTSTR lpdata = (LPCTSTR)GlobalLock(hData);
    this->SetDlgItemText( IDC_EDIT2, lpdata );
    GlobalUnlock( hData );
    CloseClipboard();
}