Conditional structures: Difference between revisions

=={{header|Visual Basic}}==

===if-then-else===

====Block form====

<lang vb>

If condition1 Then

statement

End If

If condition1 Then

statement

ElseIf condition2 Then

statement

...

ElseIf conditionN Then

statement

Else

statement

End If

</lang>

====Line form====

<lang vb>

If condition Then statement

If condition Then statement Else statement

</lang>

===select-case===

<lang vb>

Select Case Expression

Case Value1: statement

Case Value2: statement

...

Case ValueN: statement

Case Else: statement

End Select

Select Case Expression

Case Value1

statements

Case Value2

statements

...

Case ValueN

statements

Case Else

statements

End Select

===inline if-then-else===

<lang vb>

IIf(expr, then-value-, elsevalue-2)

</lang>

Example:

<lang vb>

myName = 2

Debug.Print IIf(myName = 1, "John", "Jack")

'return : "Jack")

</lang>

===inline switch===

<lang vb>

Switch(expr-1, value-1[, expr-2, value-2 … [, expr-n,value-n]])

</lang>

Example:

<lang vb>

myName = 2

Debug.Print Switch(myName = 1, "James", myName = 2, "Jacob", myName = 3, "Jeremy")

'return : "Jacob"

</lang>