pinvoke.net: Edit: user32.GetRawInputDeviceInfo

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Summary: The GetRawInputDeviceInfo function gets information about the raw input device.

!!!!C# Signature:
 [DllImport("user32.dll", SetLastError=true)]
 static extern uint GetRawInputDeviceInfo(IntPtr hDevice, uint uiCommand, IntPtr pData, ref uint pcbSize);
!!!!VB Signature:
 Declare Function GetRawInputDeviceInfo Lib "user32.dll" Alias "GetRawInputDeviceInfoW" (ByVal hDevice As IntPtr, ByVal uiCommand As DeviceInfoTypes, ByVal pData As IntPtr, ByRef pcbSize As UInteger) As Integer
!!!!VB User-Defined Types:
 Public Enum DeviceInfoTypes As UInteger
     RIDI_PREPARSEDDATA = &H20000005
     RIDI_DEVICENAME = &H20000007
     RIDI_DEVICEINFO = &H2000000B
 End Enum

!!!!Alternative Managed API:
Do you know one?  Please contribute it!

!!!!Notes:
None.

!!!!Tips & Tricks:
Please add some!

!!!!Sample Code:

[StructLayout(LayoutKind.Sequential)]
        internal struct RID_DEVICE_INFO_HID
        {
            [MarshalAs(UnmanagedType.U4)]
            public int dwVendorId;
            [MarshalAs(UnmanagedType.U4)]
            public int dwProductId;
            [MarshalAs(UnmanagedType.U4)]
            public int dwVersionNumber;
            [MarshalAs(UnmanagedType.U2)]
            public ushort usUsagePage;
            [MarshalAs(UnmanagedType.U2)]
            public ushort usUsage;
        }

[StructLayout(LayoutKind.Sequential)]
        internal struct RID_DEVICE_INFO_KEYBOARD
        {
            [MarshalAs(UnmanagedType.U4)]
            public int dwType;
            [MarshalAs(UnmanagedType.U4)]
            public int dwSubType;
            [MarshalAs(UnmanagedType.U4)]
            public int dwKeyboardMode;
            [MarshalAs(UnmanagedType.U4)]
            public int dwNumberOfFunctionKeys;
            [MarshalAs(UnmanagedType.U4)]
            public int dwNumberOfIndicators;
            [MarshalAs(UnmanagedType.U4)]
            public int dwNumberOfKeysTotal;
        }

[StructLayout(LayoutKind.Sequential)]
        internal struct RID_DEVICE_INFO_MOUSE
        {
            [MarshalAs(UnmanagedType.U4)]
            public int dwId;
            [MarshalAs(UnmanagedType.U4)]
            public int dwNumberOfButtons;
            [MarshalAs(UnmanagedType.U4)]
            public int dwSampleRate;
            [MarshalAs(UnmanagedType.U4)]
            public int fHasHorizontalWheel;
        }

[StructLayout(LayoutKind.Explicit)]
        internal struct RID_DEVICE_INFO
        {
            [FieldOffset(0)]
            public int cbSize;
            [FieldOffset(4)]
            public int dwType;
            [FieldOffset(8)]
            public RID_DEVICE_INFO_MOUSE mouse;
            [FieldOffset(8)]
            public RID_DEVICE_INFO_KEYBOARD keyboard;
            [FieldOffset(8)]
            public RID_DEVICE_INFO_HID hid;
        }

Documentation: GetRawInputDeviceInfo@msdn on MSDN