.

        enum INSTALLLOGMODE  // bit flags for use with MsiEnableLog and MsiSetExternalUI

.

            INSTALLLOGMODE_FATALEXIT = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_FATALEXIT >> 24)),

.

            INSTALLLOGMODE_ERROR = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_ERROR >> 24)),

.

            INSTALLLOGMODE_WARNING = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_WARNING >> 24)),

.

            INSTALLLOGMODE_USER = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_USER >> 24)),

.

            INSTALLLOGMODE_INFO = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_INFO >> 24)),

.

            INSTALLLOGMODE_RESOLVESOURCE = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_RESOLVESOURCE >> 24)),

.

            INSTALLLOGMODE_OUTOFDISKSPACE = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_OUTOFDISKSPACE >> 24)),

.

            INSTALLLOGMODE_ACTIONSTART = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_ACTIONSTART >> 24)),

.

            INSTALLLOGMODE_ACTIONDATA = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_ACTIONDATA >> 24)),

.

            INSTALLLOGMODE_COMMONDATA = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_COMMONDATA >> 24)),

.

            INSTALLLOGMODE_PROPERTYDUMP = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_PROGRESS >> 24)), // log only

.

            INSTALLLOGMODE_VERBOSE = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_INITIALIZE >> 24)), // log only

.

            INSTALLLOGMODE_EXTRADEBUG = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_TERMINATE >> 24)), // log only

.

            INSTALLLOGMODE_LOGONLYONERROR = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_SHOWDIALOG >> 24)), // log only    

.

            INSTALLLOGMODE_PROGRESS = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_PROGRESS >> 24)), // external handler only

.

            INSTALLLOGMODE_INITIALIZE = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_INITIALIZE >> 24)), // external handler only

.

            INSTALLLOGMODE_TERMINATE = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_TERMINATE >> 24)), // external handler only

.

            INSTALLLOGMODE_SHOWDIALOG = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_SHOWDIALOG >> 24)), // external handler only

.

            INSTALLLOGMODE_FILESINUSE = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_FILESINUSE >> 24)), // external handler only

.

Documentation

[INSTALLLOGMODE] on MSDN

.

public static extern UInt32 MsiEnableLog(INSTALLLOGMODE dwLogMode, string szLogFile, INSTALLLOGATTRIBUTES dwLogAttributes);

.

        public enum INSTALLLOGMODE  // bit flags for use with MsiEnableLog and MsiSetExternalUI

.

            INSTALLLOGMODE_FATALEXIT = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_FATALEXIT >> 24)),

.

            INSTALLLOGMODE_ERROR = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_ERROR >> 24)),

.

            INSTALLLOGMODE_WARNING = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_WARNING >> 24)),

.

            INSTALLLOGMODE_USER = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_USER >> 24)),

.

            INSTALLLOGMODE_INFO = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_INFO >> 24)),

.

            INSTALLLOGMODE_RESOLVESOURCE = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_RESOLVESOURCE >> 24)),

.

            INSTALLLOGMODE_OUTOFDISKSPACE = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_OUTOFDISKSPACE >> 24)),

.

            INSTALLLOGMODE_ACTIONSTART = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_ACTIONSTART >> 24)),

.

            INSTALLLOGMODE_ACTIONDATA = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_ACTIONDATA >> 24)),

.

            INSTALLLOGMODE_COMMONDATA = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_COMMONDATA >> 24)),

.

            INSTALLLOGMODE_PROPERTYDUMP = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_PROGRESS >> 24)), // log only

.

            INSTALLLOGMODE_VERBOSE = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_INITIALIZE >> 24)), // log only

.

            INSTALLLOGMODE_EXTRADEBUG = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_TERMINATE >> 24)), // log only

.

            INSTALLLOGMODE_LOGONLYONERROR = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_SHOWDIALOG >> 24)), // log only    

.

            INSTALLLOGMODE_PROGRESS = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_PROGRESS >> 24)), // external handler only

.

            INSTALLLOGMODE_INITIALIZE = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_INITIALIZE >> 24)), // external handler only

.

            INSTALLLOGMODE_TERMINATE = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_TERMINATE >> 24)), // external handler only

.

            INSTALLLOGMODE_SHOWDIALOG = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_SHOWDIALOG >> 24)), // external handler only

.

            INSTALLLOGMODE_FILESINUSE = (1 << (INSTALLMESSAGE.INSTALLMESSAGE_FILESINUSE >> 24)), // external handler only

.

MsiEnableLog(INSTALLLOGMODE.INSTALLLOGMODE_VERBOSE, logFileFullPath,

.

    MsiEnableLog(INSTALLLOGMODE.INSTALLLOGMODE_VERBOSE, "C:\\temp\\log.log", INSTALLLOGATTRIBUTES.INSTALLLOGATTRIBUTES_APPEND);