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Breaking Change T927230
Visible to All Users

Editors with numeric masks no longer replace the last removed symbol with 0 if AllowNullInput is set to True

What Changed

In our previous versions, editors with numeric masks replaced the last removed digit with 0 when a user pressed Backspace and AllowNullInput was set to true.

XAML
<dxe:TextEdit AllowNullInput="True" Mask="d" MaskType="Numeric" />

In v20.2 and newer, editors clear their values immediately:

Reasons for the Change

Previously users had to press Backspace twice to clear an editor with a single digit, and we received many complaints in support tickets. We decided to implement an option that allows you to clear a value faster, and we enabled this option by default.

How to Revert to Previous Behavior

To return to the previous behavior in a single editor, set the attached NumericMaskOptions.ValueAfterDelete property to ValueAfterDeleteMode.ZeroThenNull.

XAML
<dxe:TextEdit
    dxe:NumericMaskOptions.ValueAfterDelete="ZeroThenNull"
    AllowNullInput="True"
    Mask="d"
    MaskType="Numeric" />

If you wish to return to the previous behavior in all editors, set CompatibilitySettings.ValueAfterDeleteInNumericMask to ZeroThenNull.

C#
static MainWindow() {
    CompatibilitySettings.ValueAfterDeleteInNumericMask = ValueAfterDeleteMode.ZeroThenNull;
}

In this case, you can set NumericMaskOptions.ValueAfterDelete to ValueAfterDeleteMode.Null for individual editors to enable the new mode for them.

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