Vladimir Shatrov frowrik

## ImGui_Piano_imp.h
/*
The MIT License (MIT)
by https://github.com/frowrik

Piano keyboard for ImGui v1.1

example:
static int PrevNoteActive = -1;
ImGui_PianoKeyboard("PianoTest", ImVec2(1024, 100), &PrevNoteActive, 21, 108, TestPianoBoardFunct, nullptr, nullptr);
	/*
	The MIT License (MIT)
	by https://github.com/frowrik

	Piano keyboard for ImGui v1.1

	example:
	static int PrevNoteActive = -1;
	ImGui_PianoKeyboard("PianoTest", ImVec2(1024, 100), &PrevNoteActive, 21, 108, TestPianoBoardFunct, nullptr, nullptr);