调用dll 中VIEW创建文档模板出错
时间:2011-12-28
来源:互联网
BOOL CTest9App::InitInstance()
{
CMultiDocTemplate* pDocTemplate;
pDocTemplate = new CMultiDocTemplate(IDR_Test9TYPE,
RUNTIME_CLASS(CTest9Doc),
RUNTIME_CLASS(CChildFrame), RUNTIME_CLASS(CTest9View));//
if (!pDocTemplate)
return FALSE;
AddDocTemplate(pDocTemplate);
}
LRESULT CMainFrame::OnMyMessage(WPARAM wParam,LPARAM lParam)
{//自定消息
CRuntimeClass *pNewViewClass;
if(!GetViewFromDll(_T("CFormView.dll"),"Init",&pNewViewClass))//从DLL读取
return 0;
CMultiDocTemplate* pNewDocTemplate;
pNewDocTemplate =new CMultiDocTemplate(IDR_Test9TYPE,
RUNTIME_CLASS(CTest9Doc),
RUNTIME_CLASS(CChildFrame), pNewViewClass);
//这里出问题
//CDocTemplate::CDocTemplate(UINT nIDResource, CRuntimeClass* pDocClass,
// CRuntimeClass* pFrameClass, CRuntimeClass* pViewClass)
//{
// ASSERT_VALID_IDR(nIDResource);
// ASSERT(pDocClass == NULL ||
// pDocClass->IsDerivedFrom(RUNTIME_CLASS(CDocument)));
// ASSERT(pFrameClass == NULL ||
// pFrameClass->IsDerivedFrom(RUNTIME_CLASS(CFrameWnd)));
// ASSERT(pViewClass == NULL ||
// pViewClass->IsDerivedFrom(RUNTIME_CLASS(CView)));<---弹出窗口
AfxGetApp()->AddDocTemplate (pNewDocTemplate);
CDocument * pNewDoc=pNewDocTemplate->CreateNewDocument();
}
BOOL CMainFrame::GetViewFromDll(LPCTSTR lplibFileName,LPCSTR lpProcName,CRuntimeClass **pNewViewClass)
{
//
typedef UINT ( * LPDLLFUNC)(CRuntimeClass**);
LPDLLFUNC lpfnDllFunc = NULL;
HINSTANCE hDLL = NULL;
hDLL = LoadLibrary(lplibFileName);
if(hDLL)
{
lpfnDllFunc = (LPDLLFUNC)::GetProcAddress(hDLL,lpProcName);
if (!lpfnDllFunc)
{
AfxMessageBox("Function not found in DLL");
FreeLibrary(hDLL);
return 0;
}
lpfnDllFunc(pNewViewClass);
ASSERT(*pNewViewClass);
return 1;
}
AfxMessageBox("Can't find dll files ");
return 0 ;
}
{
CMultiDocTemplate* pDocTemplate;
pDocTemplate = new CMultiDocTemplate(IDR_Test9TYPE,
RUNTIME_CLASS(CTest9Doc),
RUNTIME_CLASS(CChildFrame), RUNTIME_CLASS(CTest9View));//
if (!pDocTemplate)
return FALSE;
AddDocTemplate(pDocTemplate);
}
LRESULT CMainFrame::OnMyMessage(WPARAM wParam,LPARAM lParam)
{//自定消息
CRuntimeClass *pNewViewClass;
if(!GetViewFromDll(_T("CFormView.dll"),"Init",&pNewViewClass))//从DLL读取
return 0;
CMultiDocTemplate* pNewDocTemplate;
pNewDocTemplate =new CMultiDocTemplate(IDR_Test9TYPE,
RUNTIME_CLASS(CTest9Doc),
RUNTIME_CLASS(CChildFrame), pNewViewClass);
//这里出问题
//CDocTemplate::CDocTemplate(UINT nIDResource, CRuntimeClass* pDocClass,
// CRuntimeClass* pFrameClass, CRuntimeClass* pViewClass)
//{
// ASSERT_VALID_IDR(nIDResource);
// ASSERT(pDocClass == NULL ||
// pDocClass->IsDerivedFrom(RUNTIME_CLASS(CDocument)));
// ASSERT(pFrameClass == NULL ||
// pFrameClass->IsDerivedFrom(RUNTIME_CLASS(CFrameWnd)));
// ASSERT(pViewClass == NULL ||
// pViewClass->IsDerivedFrom(RUNTIME_CLASS(CView)));<---弹出窗口
AfxGetApp()->AddDocTemplate (pNewDocTemplate);
CDocument * pNewDoc=pNewDocTemplate->CreateNewDocument();
}
BOOL CMainFrame::GetViewFromDll(LPCTSTR lplibFileName,LPCSTR lpProcName,CRuntimeClass **pNewViewClass)
{
//
typedef UINT ( * LPDLLFUNC)(CRuntimeClass**);
LPDLLFUNC lpfnDllFunc = NULL;
HINSTANCE hDLL = NULL;
hDLL = LoadLibrary(lplibFileName);
if(hDLL)
{
lpfnDllFunc = (LPDLLFUNC)::GetProcAddress(hDLL,lpProcName);
if (!lpfnDllFunc)
{
AfxMessageBox("Function not found in DLL");
FreeLibrary(hDLL);
return 0;
}
lpfnDllFunc(pNewViewClass);
ASSERT(*pNewViewClass);
return 1;
}
AfxMessageBox("Can't find dll files ");
return 0 ;
}
作者: wangjugui 发布时间: 2011-12-28
DLL 中定义的的pNewViewClass ::CFormView
作者: wangjugui 发布时间: 2011-12-28
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