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CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression

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BENN
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BENN asked on 28 Dec 2016, 05:42 PM

I've recently upgraded my visual studio from 2010 to 2015, and since them, I'm getting a lot of warnings in my output window like:

System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='10705061'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'
System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='1587067'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'
System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='4309168'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'
System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='59694858'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'
System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='1914083'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'
System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='19024873'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'
System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='50812954'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'
System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='4881566'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'
System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='18343908'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'
System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='20169503'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'
System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='35212414'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'
System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='41054801'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'
System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='35526744'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'
System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='55199627'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'
System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='955278'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'
System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='42987539'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'
System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='55391087'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'
System.Windows.Freezable Warning: 1 : CanFreeze is returning false because a DependencyProperty on the Freezable has a value that is an expression; Freezable='System.Windows.Media.TranslateTransform'; Freezable.HashCode='9570975'; Freezable.Type='System.Windows.Media.TranslateTransform'; DP='X'; DpOwnerType='System.Windows.Media.TranslateTransform'

 

 

It happens every time a value in the gridview is changed.

It affects the performance of visual studio, since the output window is very busy. 

Why it happens? It is something you are doing wrong and can be fixed?

Can I disable these warnings somehow?

 

Thanks.

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Ivan Ivanov
Telerik team
answered on 29 Dec 2016, 03:25 PM
Hi,

These warning messages should not be related to any new changes in our code. There is a setting in VisualStudio for that particular set of warnings. You can open Tools > Options > Debugging > Output Windows > WPF Trace Settings > Freezables and set the desired value.

Regards,
Ivan Ivanov
Telerik by Progress
Want to extend the target reach of your WPF applications, leveraging iOS, Android, and UWP? Try UI for Xamarin, a suite of polished and feature-rich components for the Xamarin framework, which allow you to write beautiful native mobile apps using a single shared C# codebase.
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