EzConfigGetValue Example

InstallShield 2018 » InstallScript Language Reference

Note • To call this function in a Basic MSI setup, you must first create a custom action for the entry-point function, execute the custom action in a sequence or as the result of a dialog's control event, and then build the release.

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

*

* InstallShield Example Script

*

* Demonstrates the EzConfigGetValue function.

*

* EzConfigGetValue is called to retrieve a value from a key in

* the default configuration file.  Unless changed by a call to

* ConfigSetFileName, the default configuration file is the

* Config.sys file that resides in the root of the boot drive.

*

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

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

#include "Ifx.h"

export prototype ExFn_EzConfigGetValue(HWND);

function ExFn_EzConfigGetValue(hMSI)

    NUMBER nvValue;

begin

    // Retrieve the numeric value of the FILES key from the

    // default configuration file.

    if (EzConfigGetValue ("FILES", nvValue) < 0) then

        // Report the error.

        MessageBox ("EzConfigGetValue failed.", SEVERE);

    else

        // Display the value of the FILES key.

        SprintfBox (INFORMATION, "EzConfigGetValue Example",

                   "FILES = %d", nvValue);

    endif;

end;

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