C# (CSharp) Microsoft.Practices.Composite.Presentation.Regions RegionBehaviorFactory.AddIfMissing - 4 examples found. These are the top rated real world C# (CSharp) examples of Microsoft.Practices.Composite.Presentation.Regions.RegionBehaviorFactory.AddIfMissing extracted from open source projects. You can rate examples to help us improve the quality of examples.