Ok, thank you. I've got another question.
How to get char from passing Key code and is shift pressed, alt pressed?
Example:
char c = ConvertToChar(Keyboard.Key.A, true, true);
//KeyCode, isShift, isAlt
in PL should return Ą
Is it possible only with MapVirtualKey WinAPI function?
@EDIT I will check TextEntered event.