51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
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#if !defined(CTRL__OldExtension_h__INCLUDED)
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#define CTRL__OldExtension_h__INCLUDED
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#pragma once
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class OldExtension
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{
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// Construction
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public:
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inline OldExtension();
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virtual ~OldExtension();
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enum EOptions
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{
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oUseExisting = 0x00000001, // Use existing Extension if already attached
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oAsyncDestroy = 0x00000002, // Use asynchronous destruction
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};
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HRESULT Create(HGADGET hgadChange, const GUID * pguid, PRID * pprid, UINT nOptions);
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void Destroy();
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void DeleteHandle();
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// Implementation
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protected:
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virtual void OnRemoveExisting();
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virtual void OnDestroySubject();
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virtual void OnDestroyListener();
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virtual void OnAsyncDestroy();
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void PostAsyncDestroy();
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static OldExtension * GetExtension(HGADGET hgadSubject, PRID prid);
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private:
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static HRESULT CALLBACK
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ListenProc(HGADGET hgadCur, void * pvCur, EventMsg * pmsg);
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// Data
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protected:
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HGADGET m_hgadSubject; // Gadget being "extended"
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HGADGET m_hgadListen; // Listener for destruction
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PRID m_pridListen; // PRID for Extension
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BOOL m_fAsyncDestroy:1;
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// Need to destroy asynchronously
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static MSGID s_msgidAsyncDestroy;
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};
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#include "OldExtension.inl"
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#endif // CTRL__OldExtension_h__INCLUDED
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