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None of them works, either they show garbage character or nothing. Please help.

I want to print '▲▼►◄' in my c++ console but the problem is when I write

std::wcout << "\u25B2"
It produces capital gamma every time instead of printing ▲ or ▼.
How can I fix this ?

Yes I got this also working. Thank you very very much.

Thanks the
_kbhit() function worked.
I have one more question.
The
_kbhit() function will report true every frame if the a button is just held down, I don't want that,
Is there a way so...

Is there any way to get input from user in c++ such that I get input when he presses any key, if he did not press any key then program should proceed.
When we use getch(), then program waits for...

Nevermind I got it working, Thanks.

Final code.

#include "Input.h"
#include <iostream>
#include <windows.h>

Input::Input(){}
int Input::keyPressed = 0;

Now I get a somewhat better behavior. Now I have to keep tapping a key to get positive result else I get negative result.
I don't want this, I want to get positive result if I press 'a' not only if...

I use but still getting same error.

So, How can I clean the buffer ?

This is my Input class:
.h file :-

#include <iostream>
#include <conio.h>
#include <windows.h>
#include "Input.h"

int main(){
while(1){