The biggest tip: in C# you'd do everything with classes, and in C++, you do anything to do with the Win32 API with function calls.
- google.com and msdn.microsoft.com are your friends.
- Never give up. C++ is much more time-consuming to write, and it's easier to make mistakes.
- As you are writing your programs, look for small examples that do small pieces of what you want to achieve, and study them.