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Checked RadRadioButton Visualisation after Re-Enabling

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Jani
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Jani asked on 19 Nov 2009, 08:38 AM
I have a RadRadioButton which is checked (IsChecked=true).
The RadRadioButton is child of an MS Activity Control, which disables/enables all child control during long operations.
After Re-Enabling the RadRadioButton, it will be rendered like an unchecked button (The property IsChecked is still true).
It seems to be an theme issue...

Cheers,
Jani

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Kiril Stanoev
Telerik team
answered on 19 Nov 2009, 04:17 PM
Hello Jani,

Thank you for reporting this issue. Indeed it is a theming issue. I have logged it and we will try to fix it for our Service Pack 1 release. I have also added 1000 Telerik points to your account.

Sincerely yours,
Kiril Stanoev
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Jason
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answered on 09 Feb 2012, 04:20 AM

From what I can tell this is still a bug.  I did find a work-around to this issue.  After I re-enable my controls, including the RadRadioButton, I uncheck the "checked" item then check it again.  This seems to force the button to be checked after the control is no longer disabled.  Here is a code snippet of what worked for me.  Thanks!

if (myObject.IsAnswerYes == true)
{
    chkAnswerYes.IsChecked = false;
    chkAnswerYes.IsChecked = true;
}
else
{
    chkAnswerNo.IsChecked = false;
    chkAnswerNo.IsChecked = true;
}

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Zarko
Telerik team
answered on 13 Feb 2012, 07:02 PM
Hi,
Thank you for the feedback. I'm glad to tell you that this bug is already fixed and the fix will be available in our next major release - Q1 2012 later this week.
If you have more questions please don't hesitate to ask.

Regards,
Zarko
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Valeriu
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answered on 07 May 2012, 04:02 PM

Can you confirm that this issue is fixed in current release?

I have in my code:

  <telerik:RadToggleButton IsChecked="{Binding IsActive}"

And it doesn't change it's visual state when IsActive flag is updated from my view model.

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Zarko
Telerik team
answered on 10 May 2012, 02:10 PM
Hello Valeriu,
As far as we know this issue is fixed and it should be working. Could you please send us some code snippets or a sample project which shows the problem because I wasn't able to recreate it?
I've attached the sample project that I used for testing so you could examine it and see it helps you.
We're looking forward to hearing from you.

Greetings,
Zarko
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Rob Ainscough
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answered on 09 Nov 2012, 10:53 PM
I'm having the same problem in build 2012.2.725.1050.

I have IsChecked bound to my ViewModel like so:

<telerik:RadRadioButton x:Name="PercentRadioButton" Grid.Column="2" Grid.Row="0" Content="%" FontWeight="ExtraBold" IsChecked="{Binding Path=IsPercent, Mode=TwoWay}" GroupName="AmountPercentGroup" Padding="1,1,1,3">
</telerik:RadRadioButton>

ViewModel

Public Class UIAmountPercentRadioButtons
    Implements INotifyPropertyChanged, IDataErrorInfo
 
    Public Event PropertyChanged As PropertyChangedEventHandler Implements INotifyPropertyChanged.PropertyChanged
    Public Sub OnPropertyChanged(ByVal e As PropertyChangedEventArgs)
 
        If PropertyChangedEvent IsNot Nothing Then
 
            Select e.PropertyName
 
                Case Else
 
            End Select
 
        End If
 
    End Sub
 
    Private _IsPercent As Boolean
    Public Property IsPercent() As Boolean
        Get
            Return _IsPercent
        End Get
        Set(ByVal value As Boolean)
            _IsPercent = value
            OnPropertyChanged(New PropertyChangedEventArgs("IsPercent"))
        End Set
    End Property

If I set Me.IsPercent = True in a method in my ViewModel the UI radRadioButton visual state "unchecked".

Was this bug fixed in a later build??  Not that it matters because your most recent build has bugs that prevent me from using it also.

Rob.

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Zarko
Telerik team
answered on 14 Nov 2012, 01:07 PM
Hi Rob,
Could you please try add this code in your ViewModel's OnPropertyChanged method:
Select Case e.PropertyName
    Case Else
    RaiseEvent PropertyChanged(Me, New PropertyChangedEventArgs(e.PropertyName))
End Select
After this everything should be working fine.
I've attached the sample project that I used for testing so could you please examine it and if you have further questions feel free to ask.

Regards,
Zarko
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Rob Ainscough
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answered on 14 Nov 2012, 10:58 PM
Zarco,

Thanks, got it sorted.  The RadRadioButton is working fine -- my the an object Instance in my VM was be re-initialized and hence the binding value also.

Rob 
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Jani
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Kiril Stanoev
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Jason
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Zarko
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Valeriu
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Rob Ainscough
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