installshield script流程

首先是OnBegin

然后OnShowUI

function OnShowUI()

BOOL bMaintenanceMode, bUpdateMode;
string szIgnore, szTitle;
begin

// Enable dialog caching
Enable( DIALOGCACHE );

// Determine what events to show.
bUpdateMode = FALSE;
bMaintenanceMode = FALSE;

// Remove this to disabled update mode.
if( UPDATEMODE ) then
bUpdateMode = TRUE;
endif;


// Remove this to disable maintenance mode.
if ( MAINTENANCE ) then
bMaintenanceMode = TRUE;
endif;


// Show appropriate UI


// TODO: Enable if you want to enable background etc.
//if ( LoadStringFromStringTable( "TITLE_MAIN", szTitle ) < ISERR_SUCCESS ) then // Load the title string.
// szTitle = IFX_SETUP_TITLE;
//endif;
//SetTitle( szTitle, 24, WHITE );
//Enable( FULLWINDOWMODE );  
//Enable( BACKGROUND );
//SetColor( BACKGROUND, RGB( 0, 128, 128 ) );


if( bUpdateMode ) then
OnUpdateUIBefore();
else
if ( bMaintenanceMode ) then
OnMaintUIBefore();
else
OnFirstUIBefore();
endif;
endif;


// Move Data
OnMoveData();

if( bUpdateMode ) then
OnUpdateUIAfter();
else
if ( bMaintenanceMode ) then
OnMaintUIAfter();
else
OnFirstUIAfter();
endif;
endif;


// Disable dialog caching
Disable(DIALOGCACHE);


end;