Code:
Use Dd_debug.dg

Send DoAutoSwitchPartial "DFWinClass" "DS2015 Wizard (MS-SQL - Pervasive - Oracle - MySQL - Postgres - ODBC)" "Build Wizard"

Use cVDFD_DS2012SplashScreen.pkg

Object Splash_Screen is a cVDFD_DS2012SplashScreen
  Set Label to "DBSync 2015 Build Wizard for DataFlex - MS-SQL - MySQl - Oracle - Postgres - Pervasive - ODBC"
  Set Bitmap to "DbSyncSplashBWizPro.bmp"
End_Object

Procedure CheckProductRegistration
  Boolean bValid
  
  Get IsValidRegistration of (oTsProductRegistration(Self)) to bValid  
End_Procedure

Send CheckProductRegistration
Use DSWizard.dg
Sorry I meant to include code to show you. See top Line Use dd_debug.pkg This code is in the .src