Integrations (PTC products, 3rd party products and code) > Code integration (Ada, ARINC 653, C, C#, C++, IDL, Java, SQL and VB) > Transformation Development Kit (TDK) > Working with TDK > Enabling and disabling generation (TDK)
  
Enabling and disabling generation (TDK)
You can disable the generation of SDL files while TDK is running.
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If the Generate on Startup check box is selected and you disable generation through the Enable or Disable Code Generation toolbar button, ACS clears the Generate on Startup check box.
To enable or disable generation:
On the ACS/TDK Control toolbar, click the Enable Generation button.
Generation is enabled when the Enable Generation button is depressed.
To enable or disable generation on startup:
1. On the ACS/TDK Control toolbar, click the Edit ACS Settings button.
2. On the ACS/TDK Settings dialog, select or clear the Generate on Startup check box.