// GetProcessInfo.h: interface for the CGetProcessInfo class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_GETPROCESSINFO_H__7FA81773_F785_4A4D_8A97_1FA04FD3B458__INCLUDED_)
#define AFX_GETPROCESSINFO_H__7FA81773_F785_4A4D_8A97_1FA04FD3B458__INCLUDED_

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

typedef struct  
{  
    DWORD ExitStatus;  
    DWORD PebBaseAddress;  
    DWORD AffinityMask;  
    DWORD BasePriority;  
    ULONG UniqueProcessId;  
    ULONG InheritedFromUniqueProcessId;  
}PROCESS_BASIC_INFORMATION;  

typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG);

class CGetProcessInfo  
{
public:
	CGetProcessInfo();
	virtual ~CGetProcessInfo();

	//通过进程名称获取进程ID，同时也可通过传个引用参数获取到父进程ID，同下面GetParentProcessId获取的结果一致  
    DWORD GetProcessIdFromName(CString strProcessName, DWORD &dwParentProcessId);  
	
    //通过子进程ID获取其父进程ID  
    DWORD GetParentProcessId(DWORD dwChildProcessId);  
	
    //通过进程ID获取进程名称  
    CString GetProcessNameFromId(DWORD dwProcessId); 
  
	//通过进程名来获取指定的子进程(通过指定父进程进行约束)
	DWORD GetSpcialProcessIdFromName(CString strProcessName, DWORD dwParentProcessId);  

	static CGetProcessInfo* CreateInstance(); 

protected:
	static CGetProcessInfo* m_pGetProcessInfo;

};

#endif // !defined(AFX_GETPROCESSINFO_H__7FA81773_F785_4A4D_8A97_1FA04FD3B458__INCLUDED_)