DatePicker disable text input

[MiyamuraMiyako]

Describe the bug

IsReadOnly does not take effect.

<hc:DatePicker>
    <hc:DatePicker.Resources>
        <Style TargetType="DatePickerTextBox">
            <Setter Property="IsReadOnly" Value="True" />
        </Style>
    </hc:DatePicker.Resources>
</hc:DatePicker>

Steps to reproduce the bug

just use above xaml code.

Expected behavior

No response

Screenshots

No response

NuGet package version

HandyControl 3.4.0

IDE

Visual Studio 2022-preview

Framework type

.Net 6.0

Windows version

Windows 11 (22000)

Additional context

No response