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标题: 上位机MFC如何获取视窗指针 [打印本页]

作者: qq263946146 时间: 2019-7-26 11:19
标题: 上位机MFC如何获取视窗指针
视窗可以很方便通过函数获取GetActiveView。 CMy123View* pView = (CMy123View*)GetActiveView();
if (pView == NULL)
{
return;
}

CRect rect;
pView->GetClientRect(rect);
CString strText = _T("");
strText.Format(_T("在框架中获得当前视图指针：0x%08X"), pView);
CDC* pDC = pView->GetDC();
pDC->SetTextAlign(TA_CENTER);
pDC->TextOut(rect.Width() / 2, rect.Height() / 2, strText);

如果是多文档程序的话，还得通过子框架的GetActiveView获取
//获得当前子框架
CMDIChildWnd* pChildFrame = (CMDIChildWnd*)GetActiveFrame();
if (pChildFrame == NULL)
{
return;
}

//获得当前视图
CDemoView* pView = (CDemoView*)pChildFrame->GetActiveView();
if (pView == NULL)
{
return;
}

CRect rect;
pView->GetClientRect(rect);
CString strText = _T("");
strText.Format(_T("在框架中获得当前视图指针：0x%08X"), pView);
CDC* pDC = pView->GetDC();
pDC->SetTextAlign(TA_CENTER);
pDC->TextOut(rect.Width() / 2, rect.Height() / 2, strText);

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