It works when doing this :
<xctk:ValueRangeTextBox Text="AA">
<xctk:ValueRangeTextBox.Style>
<Style>
<Style.Triggers>
<Trigger Property="xctk:ValueRangeTextBox.HasValidationError"
Value="True">
</Trigger>
</Style.Triggers>
</Style>
</xctk:ValueRangeTextBox.Style>
</xctk:ValueRangeTextBox>
↧