FeatureListItems Example

InstallShield 2022 » InstallScript Language Reference

/*--------------------------------------------------------------*\

*

* InstallShield Example Script

*

* Demonstrates the FeatureListItems function.

*

* This example script demonstrates a function that lists all

* subfeatures under a specified feature.

*

*  Comments:  To run this example script, create a project (or

*             insert into a project) with several features and/or

*             subfeatures with components containing files.  

*

\*--------------------------------------------------------------*/

 

// Include Ifx.h for built-in InstallScript function prototypes.

#include "Ifx.h"

 

// Include iswi.h for Windows Installer API function prototypes and constants,

// and to declare code for the OnBegin and OnEnd events.

#include "iswi.h"

 

// The keyword export identifies MyFunction() as an entry-point function.

// The argument it accepts must be a handle to the Installer database.

   export prototype MyFunction(HWND);

        

// To Do:  Declare global variables, define constants, and prototype user-

//         defined and DLL functions here.

 

function MyFunction(hMSI)

 

    STRING  szTitle, szMsg;

    NUMBER listID;

    

begin

 

    szTitle = "List MEDIA Features";

    szMsg   = "MEDIA contains the following top-level features:";

      

    // Initialize the string list.

    listID = ListCreate (STRINGLIST);

    

    // Create a list of top-level features in the specified media.

    FeatureListItems (MEDIA, "", listID);

        

    // Display the list of top-level features.

    SdShowInfoList (szTitle, szMsg, listID);

    

end;