The general form is
If expression Then DoSomething
The expression is evaluated. If the value is nonzero then DoSomething is executed.
A conditional such as x<y evaluates to 1 if x is less than y and to 0 otherwise.
If expression Then DoSomething
The expression is evaluated. If the value is nonzero then DoSomething is executed.
A conditional such as x<y evaluates to 1 if x is less than y and to 0 otherwise.