从Dll显示对话框

问题描述

我已将dll静态链接到mfc.
在dll中是对话框类.
我从主程序调用导出的函数.

I have got dll staticly linked to mfc.
In the dll is dialog class located.
I call exported function from main program.

void __stdcall ShowMMInfo(DWORD id, HWND parent)
{
	AFX_MANAGE_STATE(AfxGetStaticModuleState());
	CMainDialog dlg(CWnd::FromHandle(parent));
	dlg.DoModal();
}

在DoModal中，在行中发生未处理的异常

In DoModal occures an unhandled exception in the line

if (CreateDlgIndirect(lpDialogTemplate,
                CWnd::FromHandle(hWndParent), hInst))

有什么问题吗?


更新:
我已经用mfc控件替换了我们库中的Skin控件.该程序开始运作良好后.
但是我需要在该对话框中使用皮肤控件.

在主程序中，皮肤控件运行良好.
我该怎么做才能使皮肤控制良好地加载?
我只是添加了lib文件来链接并包含头文件.
我看了一下hdependency walker:有皮肤控制类.

但是当我用CSCScaleDialog替换例如CDialog时，出现了异常.

我试图静态地和动态地链接到主程序，但是没有区别.

What can be wrong?


Update:
I have replaced Skin Controls from our library with mfc controls. After that program begun work well.
But i need Skin controls in that dialog.

In main program skin controls work well.
What should i do to make skin controls to load well?
I just added lib file to link and include header files.
I took a look with hdependency walker: there are skin controls classes.

But when i replace for example CDialog with CSCScaleDialog i got an exception.

I tryed to link staticly and dinamicly to main program, but there is no difference.

推荐答案

class CMyApp : public CWinApp
{
public:
  CMyApp();
  ~CMyApp();

// Overrides
public:
  virtual BOOL InitInstance();
  virtual int ExitInstance();

  static HINSTANCE GetInstance();

  DECLARE_MESSAGE_MAP()
};

// In the body

HINSTANCE hMyInst = 0;

// The one and only CMyApp object
CMyApp theApp;

BOOL CMyApp::InitInstance()
{
  CWinApp::InitInstance();
  hMyInst = AfxGetInstanceHandle();

  return TRUE;
}

int CMyApp::ExitInstance()
{
  return CWinApp::ExitInstance();
}

HINSTANCE CMyApp::GetInstance()
{
  return hMyInst;
}

您的代码变为:

The your code becomes:

if (CreateDlgIndirect(lpDialogTemplate,
             CWnd::FromHandle(hWndParent), CMyApp::GetInstance()))

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