MFC中,用High-speed Charting Control画了个折线图,这个内置函数是有Print的
这个是High-speed Charting Control里面Print函数的定义
void CChartCtrl::Print(const TChartString& strTitle, CPrintDialog* pPrntDialog)
{
CDC dc;
if (pPrntDialog == NULL)
{
CPrintDialog printDlg(FALSE);
if (printDlg.DoModal() != IDOK) // Get printer settings from user
return;
dc.Attach(printDlg.GetPrinterDC()); // attach a printer DC
}
else
dc.Attach(pPrntDialog->GetPrinterDC()); // attach a printer DC
dc.m_bPrinting = TRUE;
DOCINFO di; // Initialise print doc details
memset(&di, 0, sizeof (DOCINFO));
di.cbSize = sizeof (DOCINFO);
di.lpszDocName = strTitle.c_str();
BOOL bPrintingOK = dc.StartDoc(&di); // Begin a new print job
CPrintInfo Info;
Info.m_rectDraw.SetRect(0,0, dc.GetDeviceCaps(HORZRES), dc.GetDeviceCaps(VERTRES));
OnBeginPrinting(&dc, &Info); // Initialise printing
for (UINT page = Info.GetMinPage(); page <= Info.GetMaxPage() && bPrintingOK; page++)
{
dc.StartPage(); // begin new page
Info.m_nCurPage = page;
OnPrint(&dc, &Info); // Print page
bPrintingOK = (dc.EndPage() > 0); // end page
}
OnEndPrinting(&dc, &Info); // Clean up after printing
if (bPrintingOK)
dc.EndDoc(); // end a print job
else
dc.AbortDoc(); // abort job.
dc.Detach(); // detach the printer DC
}
有没有人用过?这个代码怎么写