export.cpp

MFC DLL的编写和调用示例

#include "stdafx.h"
#include "Export.h"
#include "DialogC.h"

int ShowDialogC( CString& text )
{
	// Removing the following line will cause an First chance
	// Exception during runtime when you call this function.
	AFX_MANAGE_STATE(AfxGetStaticModuleState());

	// If you use the following line of code you will get an assertation
	// on line 884 of WinCore.CPP in the CWnd::AssertValid() function 
	// in debug mode
	//	CDialogC	dlg;
	// The work around is
	CDialogC	dlg( AfxGetMainWnd() );
	dlg.m_sText = text;
	int	 nReturn = dlg.DoModal();
	if ( nReturn = IDOK )
		text = dlg.m_sText;
	return nReturn;
}