将代码从VC6.0升级到VS2005 platforma，并在CPreviewView类中崩溃. [英] Upgraded code form VC6.0 to VS2005 platforma and getting crash in CPreviewView class.

问题描述

大家好，
我已将代码从vc6.0升级到vs2005.消除所有编译器错误后，我运行了代码，发现某些功能中断，如打印预览.我调试了代码，发现在vc6版本中，viewprev.cpp平台文件正在使用
CFrameWnd * pParent = STATIC_DOWNCAST(CFrameWnd，AfxGetMainWnd());
ASSERT_VALID(pParent);
获取父对象，并且在vs2005中，viewprev.cpp使用的是
CWnd * pMainWnd = GetParentFrame();
如果(DYNAMIC_DOWNCAST(CFrameWnd，pMainWnd)== NULL)
{
//如果不是框架，我们将尝试主窗口
pMainWnd = AfxGetMainWnd();
}

CFrameWnd * pParent = STATIC_DOWNCAST(CFrameWnd，pMainWnd);
ASSERT_VALID(pParent);
得到父母.我以为这比我破坏了功能
CWnd * pMainWnd = AfxGetMainWnd();
this-> SetParent(pMainWnd);
达到相同的效果，并且有效.但是这样做之后，我得到了没有工具栏的打印预览(在vc6中存在).当我关闭它时，它崩溃了.
谁能解释我的原因并回答为什么我没有工具栏，为什么它崩溃或解决问题的原因?

问候

Hi All,
I have upgraded code from vc6.0 to vs 2005. After removing all the compiler error i ran the code and found some breaking of the functionality like print preview. I debugged the code and found out that in vc6 version viewprev.cpp platform file was using
CFrameWnd* pParent = STATIC_DOWNCAST(CFrameWnd, AfxGetMainWnd());
ASSERT_VALID(pParent);
to get the parent and in vs2005 viewprev.cpp is using
CWnd* pMainWnd = GetParentFrame();
if (DYNAMIC_DOWNCAST(CFrameWnd, pMainWnd) == NULL)
{
// if it''s not a frame, we''ll try the main window
pMainWnd = AfxGetMainWnd();
}

CFrameWnd* pParent = STATIC_DOWNCAST(CFrameWnd, pMainWnd);
ASSERT_VALID(pParent);
to get the parent. I thought this was breaking the functionality than i did
CWnd* pMainWnd = AfxGetMainWnd();
this->SetParent(pMainWnd);
to achieve the same effect and it worked. but after doing this i was getting the print preview with no toolbar(which was present in vc6). And it is crashing when i close it.
Can anybody explain me the reason and answer why i am not getting the toolbar and why it is crashing or the soln to solve the problem?

regards

推荐答案

您应该显示一些代码.

我希望您已将所有使用过的dll升级到VS 2005.

you shoul show some of the code.

I hope you have upgraded all used dll to VS 2005.

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