如题,我在程序中写了如下一段代码
CString strTemp;
int LastLine;
LastLine = m_EditRxCtrl.GetLineCount();
LastLine -= 1;
m_EditRxCtrl.GetLine( LastLine,strTemp.GetBufferSetLength(m_EditRxCtrl.LineLength(m_EditRxCtrl.LineIndex(LastLine))),m_EditRxCtrl.LineLength(m_EditRxCtrl.LineIndex(LastLine)));
strTemp.ReleaseBuffer(m_EditRxCtrl.LineLength(m_EditRxCtrl.LineIndex(LastLine)));
但输出strTemp时,它是空的。这是为何?
求大神赐教