C# WPF Consultant

We have a project in C# WPF so we need a consultant to evaluate our coding style, way to write business logic and we need your guidance on certain topics like;

? ASync Collection DLL Level With Dynamic Class.
? Find First In ASync Collection Without Static Class On Column Base.
? How To Play Large Data i.e. 1 Million Record In Combo Box / LookUp Edit With Auto Complete.

Kindly suggest your availability to discuss in detail about our project.