问无法在"InstallscriptMSI“类型项目中设置/获取INSTALLDIR属性

EN

// Include header file for built-in functions 

#include "isrt.h" 

// Include header file for MSI API functions and constants 

#include "iswi.h"
export prototype Func1(HWND);
function Func1(hMSI)
STRING svName;
NUMBER nvSize, nResponse; 

begin 

// Retrieve the user's name from the MSI database 

nvSize = 256; 

MsiGetProperty (hMSI, "USERNAME", svName, nvSize); 



nResponse = AskYesNo ("Your name will be registered as " + 

                     svName + ". Is this correct?", YES); 


if nResponse = NO then 

    AskText ("Enter the name that will be registered for " + 

             "this product.", svName, svName); 

    MsiSetProperty(hMSI, "USERNAME", svName); 

endif; 

end;