Can I make a CWinApp-style application object in non-CWinApp DLL?

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In an MFC EXE or DLL you (can) have an extern-alised theApp global object to access members of your application class.

I'm developing an add-in DLL for third-party software, via their SDK. The App class I must use is not derived from CWinApp. How can I create a simpilar global pointer to the (single-instance) of the App class?

Posted 16-Jul-14 11:44am

Kyudos

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Richard MacCutchan 17-Jul-14 5:16am

Why not ask the people who provide the SDK?

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KarstenK · Answer 1 · 2014-07-16T22:00:00

Yes. You can use an global object or pointer for it.

These tasks are often solved with a handle, which in reality is a pointer to a valid object. In that case you export at least 3 functions from the dll like this blueprint:

HANDLE Create();//get object
void Destroy(HANDLE h);//free object

int DoSomeStuff( HANDLE h, int stuff);//do work