dsdemodlg.h

简单的COM 实际例子 用法3

// DsDemoDlg.h : header file
//

#if !defined(AFX_DSDEMODLG_H__3805C3C4_AA22_457A_B241_F68C12BDAC2C__INCLUDED_)
#define AFX_DSDEMODLG_H__3805C3C4_AA22_457A_B241_F68C12BDAC2C__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

/////////////////////////////////////////////////////////////////////////////
// CDsDemoDlg dialog

#include <streams.h>

class CDsDemoDlg : public CDialog
{
// Construction
public:
	CDsDemoDlg(CWnd* pParent = NULL);	// standard constructor

// Dialog Data
	//{{AFX_DATA(CDsDemoDlg)
	enum { IDD = IDD_DSDEMO_DIALOG };
		// NOTE: the ClassWizard will add data members here
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CDsDemoDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	HICON m_hIcon;

	IPin * GetPin(IBaseFilter *pFilter, PIN_DIRECTION PinDir);
	BOOL GetMediaType(IPin * inPin);

	BOOL IsFilterRegistered(CLSID inFilterId);
	BOOL RegisterFilter(const char * inFilterAx);
	BOOL SetFilterMerit(const char * inClsid, DWORD inMerit);

	BOOL IsVFWCard(IBaseFilter * pDeviceFilter);
	BOOL IsWDMCard(IBaseFilter * pDeviceFilter);

	// Generated message map functions
	//{{AFX_MSG(CDsDemoDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_DSDEMODLG_H__3805C3C4_AA22_457A_B241_F68C12BDAC2C__INCLUDED_)