Adding high score capability to MS Solitaire

#ifndef _PROCESSQUERY_H
#define _PROCESSQUERY_H

#pragma once

// definitions
#define PROCESS_OPEN_FLAGS PROCESS_VM_OPERATION|PROCESS_VM_READ|PROCESS_VM_WRITE|PROCESS_QUERY_INFORMATION|PROCESS_TERMINATE

//////////////////////////////////////////////////////////////////////////////////
// Class CProcessQuery
// is a class that enumerates processes, gets IDs and reads\writes
// process memory. It can be argued that the functions here should have
// been all static, since the object is never changed.
//
// Author: Asa Meltzer
// Date: 07/2007
class CProcessQuery
{
public:
// Construction
	CProcessQuery();
	virtual ~CProcessQuery();
// Operations
	int GetProcessId(const char* const szName) const;
	HANDLE CreateNewProcess(const CString& szFullPath, BOOL bShowWindow = TRUE);
	HANDLE GetProcessHandle(const char* const szName) const;
	HANDLE GetProcessHandle(int pid) const;
	// return the address where the value is
	long FindValueInProcessMem(HANDLE hProcess, long lAddrStart, long lAddrEnd, long lVal) const;
	long ReadProcessAddress(HANDLE hProcess, long lAddr) const;
	void WriteProcessAddress(HANDLE hProcess, long lAddr, long lVal) const;
	void CloseProcess(HANDLE hProcess) const;
	void KillProcess(HANDLE hProcess) const;
	CString GetExecutablePath() const;
// variables
	const static int NAME_LEN = 512;
private:
	int FindProcessId(const char* szName) const;
	BOOL IsProcessId(DWORD pid, const char* szName) const;
};

#endif