log.h

来自「Window Mobile Capture with DirectDraw」· C头文件 代码 · 共 49 行

#pragma once

class CLog
{
	HANDLE m_hLogFile;
public:
	CLog(wchar_t *szFilePath = NULL)
	{
		if(szFilePath != NULL)
		{
			OpenFile(szFilePath);
		}
	}

	~CLog()
	{
		CloseHandle(m_hLogFile);
	}

	BOOL OpenFile(wchar_t *szFilePath)
	{
		ATLASSERT(szFilePath != NULL);
		m_hLogFile = CreateFile(szFilePath, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
		ATLASSERT(m_hLogFile != INVALID_HANDLE_VALUE );
		return (m_hLogFile != INVALID_HANDLE_VALUE );
	}

	void LogMessage(LPCWSTR szMember, LPCWSTR szMessage)
	{
		CString strMsg;
		strMsg.Format(L"[%s]: %s\r\n",szMember, szMessage);
		LogMessage(strMsg);
	}

	void LogMessage(LPCWSTR szMember, long lMessage)
	{
		CString strMsg;
		strMsg.Format(L"[%s]: %d\r\n", szMember, lMessage);
		LogMessage(strMsg);
	}

	void LogMessage(LPCWSTR szMessage)
	{
		CStringA strMsg = (CString)szMessage;
		WriteFile(m_hLogFile, (const char *)strMsg, strMsg.GetLength(), NULL, NULL);
	}
};