VC 非客户区鼠标快速移动不响应

VC 非客户区鼠标快速移动不响应
移动到外面应该不是白的叉

void CMyQQDlg::OnNcMouseMove(UINT nHitTest, CPoint point)
{
CDialog::OnNcMouseMove(nHitTest, point);

#if 1
CRect tempIni,tempMin,tempMax,ClientRect;

CDC* pWindowDC = GetWindowDC();
CDC memDC;
memDC.CreateCompatibleDC(pWindowDC);

BITMAPINFO bInfo;
CBitmap LeftLine;
int x,y;

GetWindowRect(ClientRect);

// tempIni.CopyRect(CRect(m_IniRect.left+ ClientRect.left,ClientRect.top+m_IniRect.top,m_IniRect.right+m_IniRect.left+ ClientRect.left,m_IniRect.bottom+m_IniRect.top+ClientRect.top));
// tempMin.CopyRect(CRect(m_MinRect.left+ ClientRect.left,ClientRect.top+m_MinRect.top,m_MinRect.right+m_MinRect.left+ ClientRect.left,m_MinRect.bottom+m_MinRect.top+ClientRect.top));
// tempMax.CopyRect(CRect(m_MaxRect.left+ ClientRect.left,ClientRect.top+m_MaxRect.top,m_MaxRect.right+m_MaxRect.left+ ClientRect.left,m_MaxRect.bottom+m_MaxRect.top+ClientRect.top));
MytempClose.CopyRect(CRect(m_CloseRect.left+ ClientRect.left,ClientRect.top+m_CloseRect.top+5,m_CloseRect.right+m_CloseRect.left+ ClientRect.left,m_CloseRect.bottom+m_CloseRect.top+ClientRect.top));

if (MytempClose.PtInRect(point))
{
    LeftLine.LoadBitmap(IDB_BITMAP2);
    LeftLine.GetObject(sizeof(bInfo),&bInfo);

    x = bInfo.bmiHeader.biWidth;
    y = bInfo.bmiHeader.biHeight;
    memDC.SelectObject(&LeftLine);
    pWindowDC->StretchBlt(m_CloseRect.left,m_CloseRect.top+5,m_CloseRect.right,m_CloseRect.bottom,&memDC,0,0,x,y,SRCCOPY);
    //m_IsDrawForm = FALSE;
    //m_ButtonState = bsClose;//////记录当前光标位置所在的按钮
    LeftLine.DeleteObject();            
}
else
{
    LeftLine.LoadBitmap(IDB_BITMAP1);
    LeftLine.GetObject(sizeof(bInfo),&bInfo);

    x = bInfo.bmiHeader.biWidth;
    y = bInfo.bmiHeader.biHeight;
    memDC.SelectObject(&LeftLine);
    pWindowDC->StretchBlt(m_CloseRect.left,m_CloseRect.top+5,m_CloseRect.right,m_CloseRect.bottom,&memDC,0,0,x,y,SRCCOPY);
    //m_IsDrawForm = FALSE;
    //m_ButtonState = bsClose;//////记录当前光标位置所在的按钮
    LeftLine.DeleteObject();    
    //DrawForm();
}

#endif

你这个是想要处理什么?

想要做什么功能哪????这才是关键。。