VS2010/MFC 获取当前程序路径的方法

DWORD GetCurrentDirectory(
  DWORD nBufferLength,  // size, in characters, of directory buffer
  LPTSTR lpBuffer       // pointer to buffer for current directory
);

BOOL SetCurrentDirectory(
  LPCTSTR lpPathName   // pointer to name of new current directory
);

//得到当前路径
 /*char buf[100];
 GetCurrentDirectory(sizeof(buf),buf);
 MessageBox(buf);
 HINSTANCE hInst=NULL;
 hInst=AfxGetApp()->m_hInstance;
 char path_buffer[_MAX_PATH];
 GetModuleFileName(hInst,path_buffer,sizeof(path_buffer));//得到exe文件的全路径
 //分离路径和文件名。
    char drive[_MAX_DRIVE];
    char dir[_MAX_DIR];
    char fname[_MAX_FNAME];
    char ext[_MAX_EXT];
 _splitpath( path_buffer, drive, dir, fname, ext );
 CString Path;
 Path.Format("%s%s",drive,dir);
char path[300];
strcpy(path,drive);
strcat(path,dir);

TCHAR exeFullPath[MAX_PATH];
    CString strPath;
    GetModuleFileName(NULL,exeFullPath,MAX_PATH);
    strPath=(CString)exeFullPath;
    int position=strPath.ReverseFind(‘\\‘);
    strPath=strPath.Left(position+1); 
    TCHAR FilePath[MAX_PATH];
    GetModuleFileName(NULL,FilePath,MAX_PATH);
    (_tcsrchr(FilePath,‘\\‘))[1] = 0;//// 删除文件名，只获得路径字串   // C:\**\**    lstrcat(FilePath,_T("MY.ini")); 

VC中__argv[0]可以得到exe的程序名，然后用_splitpath可以分解得到程序路径。

#include<direct.h>
char buf[_MAX_PATH];
_getcwd(buf,_MAX_PATH);

char buf[100];
 GetSystemDirectory(buf,100);
 MessageBox(buf);