ProSysLib: Dissecting the Process

// PSLWindowsFilter.h : Declaration of the CPSLWindowsFilter

#pragma once
#include "resource.h"       // main symbols
#include "GUIDs.h"
#include "PSLExceptions.h"
#include "ProSysLib_i.h"

class ATL_NO_VTABLE CPSLWindowsFilter:
	public CComObjectRootEx<CComMultiThreadModel>,
	public CComCoClass<CPSLWindowsFilter, &CLSID_PSLWindowsFilter>,
	public IDispatchImpl<IPSLWindowsFilter, &IID_IPSLWindowsFilter, &LIBID_ProSysLib,  PSL_HiVersion, PSL_LoVersion>,
	public CPSLException<&CLSID_PSLWindowsFilter, &IID_IPSLWindowsFilter>
{
public:

	struct CWindowsFilter
	{
		CWindowsFilter();
		bool Reset();

		PSLFilterFlag TopLevel;
		PSLFilterFlag HasText;
		PSLFilterFlag Visible;
		PSLFilterFlag Enabled;
		long ThreadID;
		HWND ParentWnd;
	};

	CPSLWindowsFilter();
	~CPSLWindowsFilter();

	bool CheckDirtyAndReset(CWindowsFilter * pFilter);

BEGIN_COM_MAP(CPSLWindowsFilter)
	COM_INTERFACE_ENTRY(IPSLWindowsFilter)
	COM_INTERFACE_ENTRY(IDispatch)
	COM_INTERFACE_ENTRY(ISupportErrorInfo)
END_COM_MAP()

	DECLARE_PROTECT_FINAL_CONSTRUCT()
	HRESULT FinalConstruct();
	void FinalRelease();

////////////////////////////
// Interface Implementation:
////////////////////////////

	STDMETHOD(get_TopLevel)(PSLFilterFlag * pValue);
	STDMETHOD(put_TopLevel)(PSLFilterFlag newValue);

	STDMETHOD(get_HasText)(PSLFilterFlag * pValue);
	STDMETHOD(put_HasText)(PSLFilterFlag newValue);

	STDMETHOD(get_Visible)(PSLFilterFlag * pValue);
	STDMETHOD(put_Visible)(PSLFilterFlag newValue);

	STDMETHOD(get_Enabled)(PSLFilterFlag * pValue);
	STDMETHOD(put_Enabled)(PSLFilterFlag newValue);

	STDMETHOD(get_ThreadID)(long * pValue);
	STDMETHOD(put_ThreadID)(long newValue);

	STDMETHOD(get_ParentHandle)(VARIANT * pValue);
	STDMETHOD(put_ParentHandle)(VARIANT newValue);

	STDMETHOD(Reset)();

private:

	CRITICAL_SECTION m_cs;

	CWindowsFilter m_Filter;
	bool m_bDirty;
	bool m_bLocalProcess;	// Indicates whether this filter
							// is for the current process only;
};