Reflection has changed in .NET for Windows Store Apps. Type.GetMethod no longer exists and should be replaced with Type.GetTypeInfo() and then other calls as appropriate.
Comments: Fixed in 1eac49e756e9 No constitutional right for binding flags... (Fix for 1634: Remove use of Type.GetMethod) Replaced Type.GetMethod with Type.GetMethodInfo extension methods that use the modern API in .NET 4.5/.NET for Windows Store Apps, and the old API for .NET 4.
Comments: Fixed in 1eac49e756e9 No constitutional right for binding flags... (Fix for 1634: Remove use of Type.GetMethod) Replaced Type.GetMethod with Type.GetMethodInfo extension methods that use the modern API in .NET 4.5/.NET for Windows Store Apps, and the old API for .NET 4.