안녕하세요.......
이런 실수를 .................

if(m_pGB==NULL)
return; 구문에서 바로 리턴 종료가 되어서 전역변수가 작동을 안 했네요...그려..@@;;

황당하고 허탈.........제 실수입니다.
dll에서 당연히 전역변수가 작동을 하네요...

감사.........


:
:     IGraphBuilder *m_pGB;
:     IMediaControl *pMC;
:         IBasicVideo *pBV;
:         IMediaSeeking *pMS;
:         IBasicAudio *pBA;
:
:
: #pragma argsused
: int WINAPI DllEntryPoint(HINSTANCE hinst, unsigned long reason, void* lpReserved)
: {
:
:
:         return 1;
: }
: //---------------------------------------------------------------------------
: void Volume_OnOff()
: {
:
:         if(m_pGB == NULL)<------------------------IGraphBuilder *m_pGB가 작동을 안 해서
                                                    그냥 return 즉 종료가 됨 @@;

:                 return;// E_ABORT;
:
:         CComQIPtr<IBasicAudio> pBA(m_pGB);
:         if(!Volume__OnOff)
:         {
:                 pBA->put_Volume(VOLUME_SILENCE);
:                 Volume__OnOff=true;
:         }
:         else
:         {
:                 pBA->put_Volume(VOLUME_FULL);
:                 Volume__OnOff=false;
:         }
:
:         return;// S_OK;
: }
: ................
: