log.h

vc ADO 连接数据库

                                            __TIMESTAMP__,  \
                                            __FILE__,       \
                                            __LINE__      );\
                          }                                 \
                          catch(...)                        \
                          {                                 \
                              LogException( __TIMESTAMP__,  \
                                            __FILE__,       \
                                            __LINE__      );\
                          }                                 \
                      


        // The logging version and expects/sets a boolean variable to set
        // which lets code outside of the macro know an exception occured.
        #define LOGR( f ) if( bRetVal == TRUE )                 \
                          {                                     \
                              try                               \
                              {                                 \
                                  f;                            \
                              }                                 \
                              catch( CException *e )            \
                              {                                 \
                                  LogException( e,              \
                                                __TIMESTAMP__,  \
                                                __FILE__,       \
                                                __LINE__      );\
                                  bRetVal = FALSE;              \
                              }                                 \
                              catch( SEH_Exception &e )         \
                              {                                 \
                                  LogException( e,              \
                                                __TIMESTAMP__,  \
                                                __FILE__,       \
                                                __LINE__      );\
                                  bRetVal = FALSE;              \
                              }                                 \
                              catch(...)                        \
                              {                                 \
                                  LogException( __TIMESTAMP__,  \
                                                __FILE__,       \
                                                __LINE__      );\
                                  bRetVal = FALSE;              \
                              }                                 \
                          }

    #else
        // VC 5.0 version(s)

        // The quiet version, no logging, just catch the exception
        #define LOGQ( f ) try                           \
                          {                             \
                              f;                        \
                          }                             \
                          catch( CException *e )        \
                          {                             \
                              e->Delete();              \
                          }                             \
                          catch( SEH_Exception )        \
                          {                             \
                          }                             \
                          catch( _com_error )           \
                          {                             \
                          }                             \
                          catch(...)                    \
                          {                             \
                          }

        // The logging version, but still quietly catches the exception
        #define LOGE( f ) try                               \
                          {                                 \
                              f;                            \
                          }                                 \
                          catch( CException *e )            \
                          {                                 \
                              LogException( e,              \
                                            __TIMESTAMP__,  \
                                            __FILE__,       \
                                            __LINE__      );\
                          }                                 \
                          catch( SEH_Exception &e )         \
                          {                                 \
                              LogException( e,              \
                                            __TIMESTAMP__,  \
                                            __FILE__,       \
                                            __LINE__      );\
                          }                                 \
                          catch( _com_error e )             \
                          {                                 \
                              LogException( e,              \
                                            __TIMESTAMP__,  \
                                            __FILE__,       \
                                            __LINE__      );\
                          }                                 \
                          catch(...)                        \
                          {                                 \
                              LogException( __TIMESTAMP__,  \
                                            __FILE__,       \
                                            __LINE__      );\
                          }                                 \
                      


        // The logging version and expects/sets a boolean variable to set
        // which lets code outside of the macro know an exception occured.
        #define LOGR( f ) if( bRetVal == TRUE )                 \
                          {                                     \
                              try                               \
                              {                                 \
                                  f;                            \
                              }                                 \
                              catch( CException *e )            \
                              {                                 \
                                  LogException( e,              \
                                                __TIMESTAMP__,  \
                                                __FILE__,       \
                                                __LINE__      );\
                                  bRetVal = FALSE;              \
                              }                                 \
                              catch( SEH_Exception &e )         \
                              {                                 \
                                  LogException( e,              \
                                                __TIMESTAMP__,  \
                                                __FILE__,       \
                                                __LINE__      );\
                                  bRetVal = FALSE;              \
                              }                                 \
                              catch( _com_error e )             \
                              {                                 \
                                  LogException( e,              \
                                                __TIMESTAMP__,  \
                                                __FILE__,       \
                                                __LINE__      );\
                                  bRetVal = FALSE;              \
                              }                                 \
                              catch(...)                        \
                              {                                 \
                                  LogException( __TIMESTAMP__,  \
                                                __FILE__,       \
                                                __LINE__      );\
                                  bRetVal = FALSE;              \
                              }                                 \
                          }

    #endif // #ifdef _MSC_VER >= 1100

#endif // #ifndef _LOG_H