If...Then~Else

Controls the flow of processing in accordance with specified conditions.

If <Logical Expression> Then <Statement>|<Label> [Else <Statement>|<Label>]

Parameters

<Logical Expression>	The logical expression (Boolean expression) for controlling processing.
<Statement>	The command statement to be processed (statement).
<Label>	Label (Label) for the movement destination.

Return Value

None.

Description

Controls the flow of processing in accordance with the Logical Expression.

While the <Logical Expression> value is true (not 0), either the statement below the Then <statement> is executed or the processing is moved to the line specified by the <Label>.Refer to

Calculation - Macro Program Rules for details on logical expressions and Boolean values.

Specifying a <Label> after Then will move the processing to the Label.

Specifying a statement after Then will execute that statement.

When the <Logical Expression> value is true (not 0), processing is moved to the line after the Else <statement> or to the line specified by the<Label>.

The Else statement can be omitted.

The Else statement may not be written on the next line.Describe the If - Else all in one statement.

Example
Output the judge result of CameraImageInput.

    If UnitJudge(0)=1 Then Gosub *OKOUT Else Gosub *NGOUT
    Return

    *OKOUT
    Print "OK"
    Return

    *NGOUT
    Print "NG"
    Return

    Stop