/// <summary>
/// Registers the devices that supply the raw input data.
/// </summary>
/// <remarks>
/// <para>To receive <see cref="WM.INPUT">WM_INPUT</see> messages, an application must first register the raw input
/// devices using <see cref="RegisterRawInputDevices"/>. By default, an application does not receive raw input.</para>
/// <para>To receive <see cref="WM.INPUT_DEVICE_CHANGE">WM_INPUT_DEVICE_CHANGE</see> messages, an application must
/// specify the <see cref="RIDEV.DEVNOTIFY"/> flag for each device class that is specified by
/// <paramref name="usagePage"/> and <paramref name="usage"/> arguments. By default, an application does not receive
/// <see cref="WM.INPUT_DEVICE_CHANGE">WM_INPUT_DEVICE_CHANGE</see> notifications for raw input device arrival and removal.</para>
/// <para>If the <see cref="RIDEV.REMOVE"/> flag set and <paramref name="hwndTarget"/> is not set to <b>null</b> (IntPtr.Zero),
/// then parameter validation will fail.</para>
/// </remarks>
/// <param name="flags">The flags as <see cref="RIDEV"/>.</param>
/// <param name="usagePage">An <b>ushort</b> specifiing the usage page.</param>
/// <param name="usage">An <b>ushort</b> specifiing the usage.</param>
/// <param name="hwndTarget">The handle of the window, which shall receive the <see cref="WM.INPUT">WM_INPUT</see>
/// and <see cref="WM.INPUT_DEVICE_CHANGE">WM_INPUT_DEVICE_CHANGE</see> messages.</param>
/// <returns><b>true</b> if the function succeeds; otherwise, <b>false</b>. If the function fails, call
/// <see cref="WinKernel.GetLastError"/> for more information.</returns>
public static bool RegisterRawInputDevice(RIDEV flags, ushort usagePage, ushort usage, HWND hwndTarget)
{
RAWINPUTDEVICE pRawInputDevice = new RAWINPUTDEVICE();
pRawInputDevice.dwFlags = flags;
pRawInputDevice.usUsage = usage;
pRawInputDevice.usUsagePage = usagePage;
pRawInputDevice.hwndTarget = hwndTarget;
return(RegisterRawInputDevice(ref pRawInputDevice, 1, (uint)Marshal.SizeOf(typeof(RAWINPUTDEVICE))));
}
/// <summary>
/// Registers the devices that supply the raw input data.
/// </summary>
/// <remarks>
/// <para>To receive <see cref="WM.INPUT">WM_INPUT</see> messages, an application must first register the raw input
/// devices using <see cref="RegisterRawInputDevices"/>. By default, an application does not receive raw input.</para>
/// <para>To receive <see cref="WM.INPUT_DEVICE_CHANGE">WM_INPUT_DEVICE_CHANGE</see> messages, an application must
/// specify the <see cref="RIDEV.DEVNOTIFY"/> flag for each device class that is specified by the
/// <see cref="RAWINPUTDEVICE.usUsagePage">usUsagePage</see> and <see cref="RAWINPUTDEVICE.usUsage">usUsage</see>
/// fields of the <see cref="RAWINPUTDEVICE"/> structure. By default, an application does not receive
/// <see cref="WM.INPUT_DEVICE_CHANGE">WM_INPUT_DEVICE_CHANGE</see> notifications for raw input device arrival and removal.</para>
/// <para>If a <see cref="RAWINPUTDEVICE"/> structure has the <see cref="RIDEV.REMOVE"/> flag set and the
/// <see cref="RAWINPUTDEVICE.hwndTarget">hwndTarget</see> parameter is not set to <b>null</b> (IntPtr.Zero),
/// then parameter validation will fail.</para>
/// </remarks>
/// <param name="pRawInputDevice">A <see cref="RAWINPUTDEVICE"/> structure that represent the
/// devices that supply the raw input.</param>
/// <returns><b>true</b> if the function succeeds; otherwise, <b>false</b>. If the function fails, call
/// <see cref="WinKernel.GetLastError"/> for more information.</returns>
public static bool RegisterRawInputDevice(RAWINPUTDEVICE pRawInputDevice)
{
return(RegisterRawInputDevice(ref pRawInputDevice, 1, (uint)Marshal.SizeOf(typeof(RAWINPUTDEVICE))));
}
extern static bool RegisterRawInputDevice([In] ref RAWINPUTDEVICE pRawInputDevice, uint uiNumDevices, uint cbSize);