ComponentOne Input Library for WPF
Input Library Overview / NumericBox / Work with NumericBox / Locking Control from Editing
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    Locking Control from Editing
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    By default the C1NumericBox control's Value property is editable by users at run time. If you want to lock the control from being edited, you can set the IsReadOnly property to True.

    To lock the C1NumericBox control in XAML add IsReadOnly="True" to the <c1:C1NumericBox> tag so that it appears similar to the following:

    XAML
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    <c1:C1NumericBox Name="C1NumericBox1" IsReadOnly="True" />

     

    To lock the C1NumericBox control from run-time editing in code, add the following to your project:

    Visual Basic
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    C1NumericBox1.IsReadOnly = True

     

    C#
    Copy Code 
    c1NumericBox1.IsReadOnly = true;

    To lock the C1NumericBox control from run-time editing, complete the following steps:

    1. Click the C1NumericBox control once to select it.
    2. Navigate to the Properties window, and check the IsReadOnly check box.

    This will set the IsReadOnly property to False.

     Run your project and observe:

    The control is locked from editing; notice that the Up and Down buttons are grayed out and inactive: