Code to detect and dismiss the Windows Holographic "Win + Y" blue input banner

HolographicInputBanner.cpp

bool IsWinYPromptOpen()
{
    return (FindWindowA("HolographicInputBannerWndClass", nullptr) != nullptr);
}

void DismissWinY()
{
    // Press: Win, Y

	keybd_event(
		VK_LWIN,
		MapVirtualKeyA(VK_LWIN, MAPVK_VK_TO_VSC),
		KEYEVENTF_EXTENDEDKEY,
		0);
	keybd_event(
		VkKeyScan('Y'),
		MapVirtualKeyA(VK_LWIN, MAPVK_VK_TO_VSC), // Y
		0,
		0);

    // Release: Win, Y

    keybd_event(
		VK_LWIN,
		MapVirtualKeyA(VK_LWIN, MAPVK_VK_TO_VSC),
		KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP,
		0);
	keybd_event(
		VkKeyScan('Y'),
		MapVirtualKeyA(VK_LWIN, MAPVK_VK_TO_VSC), // Y
		KEYEVENTF_KEYUP,
		0);
}