OpenOffice.org BASIC Guide.pdf - OpenOffice.org wiki

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The B = 2 assignment only occurs when value of variable A is greater than three. A
variation of the If statement is the If/Else clause:
If A > 3 Then
B = 2
Else
B = 0
End If
In this example, the variable B is assigned the value of 2 when A is greater than 3,
otherwise B is assigned the value of 0.
For more complex statements, you can cascade the If statement, for example:
If A = 0 Then
B = 0
ElseIf A < 3 Then
B = 1
Else
B = 2
End If
If the value of variable A equals zero, B is assigned the value 0. If A is less than 3 (but not
equal to zero), then B is assigned the value 1. In all other instances (that is, if A is greater
than or equal to 3), B is assigned the value 2.
Select. . . Case
The Select...Case instruction is an alternative to the cascaded If statement and is used
when you need to check a value against various conditions:
Select Case DayOfWeek
Case 1:
NameOfWeekday = "Sunday"
Case 2:
NameOfWeekday = "Monday"
Case 3:
NameOfWeekday = "Tuesday"
Case 4:
NameOfWeekday = "Wednesday"
Case 5:
NameOfWeekday = "Thursday"
Case 6:
NameOfWeekday = "Friday"
Case 7:
NameOfWeekday = "Saturday"
End Select