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If...Then...Else, instruction (Visual Basic)
' Multiple-line syntax:
If condition [ Then ]
[ statements ]
[ ElseIf elseifcondition [ Then ]
[ elseifstatements ] ]
[ Else
[ elsestatements ] ]
End If
' Single-line syntax:
If condition Then [ statements ] [ Else [ elsestatements ] ]
Syntaxe sur plusieurs lignes
Conseil
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Syntaxe à une seule ligne
Dim count As Integer = 0
Dim message As String
If count = 0 Then
message = "There are no items."
ElseIf count = 1 Then
message = "There is 1 item."
Else
message = "There are " & count & " items."
End If
Private Function CheckIfTime() As Boolean ' Determine the current day of week and hour of day. Dim dayW As DayOfWeek = DateTime.Now.DayOfWeek Dim hour As Integer = DateTime.Now.Hour ' Return True if Wednesday from 2 to 4 P.M., ' or if Thursday from noon to 1 P.M. If dayW = DayOfWeek.Wednesday Then If hour = 14 Or hour = 15 Then Return True Else Return False End If ElseIf dayW = DayOfWeek.Thursday Then If hour = 12 Then Return True Else Return False End If Else Return False End If End Function
If A > 10 Then A = A + 1 : B = B + A : C = C + B
Conseil