Max, Min, MaxLength Properties Example

The following example demonstrates the Max and Min properties when used with a stand-alone ScrollBar. The user can set the Max and Min values to any integer in the range of –1000 to 1000. This example also uses the MaxLength property to restrict the number of characters entered for the Max and Min values.

To use this example, copy this sample code to the Script Editor of a form. To run the code you need to open the form so the Open event will activate. Make sure that the form contains:

• A Label named Label1
  
  
• A TextBox named TextBox1 that is bound to the custom number field named ScrollBarMin.
  
  
• A Label named Label2
  
  
• A TextBox named TextBox2 that is bound to the custom number field named ScrollBarMax.
  
  
• A ScrollBar named ScrollBar1 that is bound to the custom number field named ScrollBarValue.
  
  
• A Label named Label3.

Sub Item_Open()
    Set Label1 = Item.GetInspector.ModifiedFormPages("P.2").Controls("Label1")
    Set ScrollBar1 = Item.GetInspector.ModifiedFormPages("P.2").Controls("ScrollBar1")
    Set TextBox1 = Item.GetInspector.ModifiedFormPages("P.2").Controls("TextBox1")
    Set Label2 = Item.GetInspector.ModifiedFormPages("P.2").Controls("Label2")
    Set TextBox2 = Item.GetInspector.ModifiedFormPages("P.2").Controls("TextBox2")
    Set Label3 = Item.GetInspector.ModifiedFormPages("P.2").Controls("Label3")

    Label1.Caption = "Min -1000 to 1000"
    ScrollBar1.Min = -1000
    TextBox1.Text = ScrollBar1.Min
    TextBox1.MaxLength = 5
    
    Label2.Caption = "Max -1000 to 1000"
    ScrollBar1.Max = 1000
    TextBox2.Text = ScrollBar1.Max
    TextBox2.MaxLength = 5
    
    ScrollBar1.SmallChange = 1
    ScrollBar1.LargeChange = 100
    ScrollBar1.Value = 0
    Label3.Caption = ScrollBar1.Value
End Sub

Sub Item_CustomPropertyChange(byval pname)
    Set ScrollBar1 = Item.GetInspector.ModifiedFormPages("P.2").Controls("ScrollBar1")
    Set TextBox1 = Item.GetInspector.ModifiedFormPages("P.2").Controls("TextBox1")
    Set TextBox2 = Item.GetInspector.ModifiedFormPages("P.2").Controls("TextBox2")
    Set Label3 = Item.GetInspector.ModifiedFormPages("P.2").Controls("Label3")

    If pname = "ScrollBarMin" Then

        If IsNumeric(TextBox1.Text) Then
                TempNum = CInt(TextBox1.Text)
            If TempNum >= -1000 And TempNum <= 1000 Then
                    ScrollBar1.Min = TempNum
                Else
                    TextBox1.Text = ScrollBar1.Min
            End If
            Else
                TextBox1.Text = ScrollBar1.Min
        End If
    ElseIf pname = "ScrollBarMax" Then

        If IsNumeric(TextBox2.Text) Then
                TempNum = CInt(TextBox2.Text)
                If TempNum >= -1000 And TempNum <= 1000 Then
                    ScrollBar1.Max = TempNum
            Else
                    TextBox2.Text = ScrollBar1.Max
                End If
        Else
                TextBox2.Text = ScrollBar1.Max
        End If
    ElseIf pname = "ScrollBarValue" Then

        Label3.Caption = ScrollBar1.Value
    End If
End Sub