At the moment one needs to iterate all controls and set the EnableCodedUITests property individually. It would be nice if there is a way this to be done only once affecting all controls.
In order to control the default value for enabling CodedUI for all controls from UI for WinForms suite, you need to set the EnableCodedUITestsDefaultValue property to true. Here is the code snippet: RadControl.EnableCodedUITestsDefaultValue = true; It is recommended to set the property before calling InitializeComponent.