윈도 콘솔 함수 예제

WinConExample.c

#include <Windows.h>
#include <stdlib.h>

void SetConsoleSize(HANDLE hCon, short width, short height)
{
	COORD c;
	c.X = width;
	c.Y = height;

	SMALL_RECT r;
	r.Top = 0;
	r.Left = 0;
	r.Bottom = (height - 1);
	r.Right = (width - 1);

	SetConsoleScreenBufferSize(hCon, c);
	SetConsoleWindowInfo(hCon, TRUE, &r);
}

void ClearConsole(HANDLE hCon)
{
	CONSOLE_SCREEN_BUFFER_INFO buffInfo;
	if (GetConsoleScreenBufferInfo(hCon, &buffInfo))
	{
		DWORD numOfWritten;
		COORD wp;
		wp.X = 0;
		wp.Y = 0;

		int len = buffInfo.dwSize.X * buffInfo.dwSize.Y;

		FillConsoleOutputCharacter(hCon,
			L' ', len,
			wp, &numOfWritten);
	}
}

COORD GetRandomPos(short width, short height)
{
	COORD c;
	c.X = (rand() % width);
	c.Y = (rand() % height);

	return c;
}

void SetCharAt(HANDLE hCon, COORD pos, wchar_t c)
{
	DWORD numOfWritten;
	FillConsoleOutputCharacter(hCon,
		c, 1,
		pos, &numOfWritten);
}

int main(int argc, char** argv)
{
	const short WIDTH = 40, HEIGHT = 20;

	HANDLE conHWnd = GetConsoleWindow();
	HANDLE hCon = CreateConsoleScreenBuffer(
		GENERIC_READ | GENERIC_WRITE,
		FILE_SHARE_READ,
		NULL,
		CONSOLE_TEXTMODE_BUFFER,
		NULL);

	SetConsoleTitle(L"CONSOLE TEST");
	SetConsoleActiveScreenBuffer(hCon);
	SetConsoleSize(hCon, WIDTH, HEIGHT);

	int count = 0;
	while (TRUE)
	{
		if (count > 100)
		{
			ClearConsole(hCon);
			count = 0;
		}

		SetCharAt(hCon, GetRandomPos(WIDTH, HEIGHT), L'*');
		++count;

		Sleep(100);
	}

	ClearConsole(hCon);
	return 0;
}