27 docs tagged with "control structure"

Defines a message handler.

Defines a message handler.

Skips the rest of the current switch structure and goes to the statement following the end switch.

Stops execution of a handler.

Skips the rest of the current repeat loop and goes to the statement following the end repeat.

Halts the current handler and all pending handlers.

Exit a repeat loop.

Defines a custom function handler.

Handles the message sent to an object when you access one of its custom properties.

Evaluates a conditional expression to determine if it is true and if so executes a subsequent statement or statement list. If the condition is false and the **if** control structure contains an else keyword the statement or statement list following the else keyword is executed. The **if** control structure may contain one or more else if keywords which have a conditional expression. If the conditional expression for one of these evaluates to be true then the statement or statement list following that else if keyword is executed. If the **if** control structure contains more than one line then the **if** control structure must end with an end if keyword.

Executes a list of statements depending on the value of a condition.

Skips the rest of the current iteration and goes back to the top of the repeat structure.

Begin the next iteration of a repeat loop.

Defines a message handler.

Stops the current handler and passes the message to the next object in the message path.

Executes a set of statements repeatedly.

Executes a list of statements until the Iterator is exhausted.

Executes a list of statements continually.

Executes a list of statements a given number of times.

Executes a list of statements until a condition becomes true.

Executes a list of statements while a condition continues to be true.

Executes a list of statements

Stops the current handler and returns a value to the handler that called the current handler.

Handles the trigger sent to an object when you change one of its custom properties.

Chooses among several possible values for an expression, and executes a set of statements that depends on the value.

Returns an error message to a control structure.

Executes a list of statements, sending any errors to the try structure to be handled.