Doc/View結構中的多檢視的切換
阿新 • • 發佈：2019-01-26
{
CDocument* pDoc = NULL;
POSITION pos = pDocTemplate->GetFirstDocPosition();
CView* pActiveView = GetActiveFrame()->GetActiveView();
if( pos == NULL )
{
// create new document
pDoc = (CTouchNetDoc*)pDocTemplate->OpenDocumentFile(NULL);
}
else
while (pos)
{
// get the document object
pDoc = pDocTemplate->GetNextDoc(pos);
POSITION pos2 = pDoc->GetFirstViewPosition();
if (pos2)
{
CView *pView = pDoc->GetNextView(pos2);
CFrameWnd
ASSERT(pNewFrame);
if ( pNewFrame->GetParentFrame() ==this )
break;
}
}
if ( pDoc == NULL )
pDoc = (CTouchNetDoc*)pDocTemplate->OpenDocumentFile(NULL);
}
// find the target view object of pDoc
CView *pTargetView = NULL;
pos = pDoc->GetFirstViewPosition();
while (pos)
{
CView *pView = pDoc->GetNextView(pos);
if ( pView )
{
pTargetView = pView;
break;
}
}
if (pTargetView)
{
if ( pActiveView != pTargetView )
{
// show the frame window of target view.
CFrameWnd* pNewFrame = (CFrameWnd* )pTargetView->GetParentFrame();
pNewFrame->ActivateFrame();
pNewFrame->SetActiveView(pTargetView);
pTargetView->OnInitialUpdate();
//call pTargetView to do something
}
}
}
CDocument* pDoc = NULL; POSITION pos = pDocTemplate->GetFirstDocPosition(); CView* pActiveView = GetActiveFrame()->GetActiveView(); if( pos == NULL ) {
// create new document pDoc = (CTouchNetDoc*)pDocTemplate->OpenDocumentFile(NULL); } else while (pos) { // get the document object pDoc = pDocTemplate->GetNextDoc(pos); POSITION pos2 = pDoc->GetFirstViewPosition(); if (pos2) { CView *pView = pDoc->GetNextView(pos2); CFrameWnd ASSERT(pNewFrame); if ( pNewFrame->GetParentFrame() ==this ) break; } } if ( pDoc == NULL ) pDoc = (CTouchNetDoc*)pDocTemplate->OpenDocumentFile(NULL); } // find the target view object of pDoc CView *pTargetView = NULL; pos = pDoc->GetFirstViewPosition(); while (pos) { CView *pView = pDoc->GetNextView(pos); if ( pView ) { pTargetView = pView; break; } } if (pTargetView) { if ( pActiveView != pTargetView ) { // show the frame window of target view. CFrameWnd* pNewFrame = (CFrameWnd* )pTargetView->GetParentFrame(); pNewFrame->ActivateFrame(); pNewFrame->SetActiveView(pTargetView); pTargetView->OnInitialUpdate(); //call pTargetView to do something } }}