Step Controls

InstallShield 2026 » InstallScript Debugger

Step controls include the Step Into and Step Over buttons. These controls allow you to execute all or parts of your script one statement at a time. Use these controls to find help find bugs:

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Step through suspect areas of your script and watch the order in which statements are executed. This process can reveal bugs that are caused by conditional expressions that do not resolve as intended.

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After executing a statement with a step control, check the value of the variables you believe may be causing the bug. The easiest way to track variables is to add them to the Watch window. Verify that the variables you're tracking contain the values you expect them to have at each point in your analysis.

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Use step controls in conjunction with breakpoints. First, set a breakpoint at the statement that starts the section of your script that you want to analyze. Then, click the Go button to execute to that statement. Finally, click the Step Into or Step Over buttons to trace through the statements that follow.