画九格棋盘

//OnPaint
void OnPaint(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
{
	PAINTSTRUCT ps = { 0 };
	HDC hDC = BeginPaint(hWnd, &ps);
	int marc = 0; //控制棋盘所在位置
	
	for (int i = 0; i < 10; i++) //画九格横线
	{
		MoveToEx(hDC, marc + 50, marc + 50 + i * 50 , NULL);
		LineTo(hDC, marc + 500, marc + 50 + i * 50);
	}
	for (int j = 0; j < 10; j++) //画九格直线
	{
		MoveToEx(hDC, marc + 50 + j * 50, marc + 50, NULL);
		LineTo(hDC, marc + 50 + j * 50, marc + 500);
	}
	EndPaint(hWnd, &ps);
}