dotNETportal.cz

 Private Sub maximize()
        maximizebutt.Image = My.Resources.maximize1
        maximized = False
        isresizable = False
        isdragable = False
        lastleft = Left
        lasttop = Top
        lastsize = Size
        Left = 0
        Top = 0
        Width = My.Computer.Screen.Bounds.Width
        Height = My.Computer.Screen.WorkingArea.Height
    End Sub
    Private Sub tonormal()
        maximizebutt.Image = My.Resources.maximize
        maximized = True
        isresizable = True
        isdragable = True
        Size = lastsize
        Left = lastleft
        Top = lasttop
    End Sub
    Private Sub maximizebutt_MouseClick(sender As Object, e As System.Windows.Forms.MouseEventArgs) Handles maximizebutt.MouseClick
        If maximized Then
            maximize()
        Else
            tonormal()
        End If
    End Sub

Kód funguje, ale změna obrázku v pictureboxu maximizebutt nefunguje. V čem je problém?

Opravdu se ten kód provede, když dovnitř dáte breakpoint?

Není v My.Resources.maximize1 a My.Resources.maximize stejný obrázek?

Ne opravdu jsou odlišné.