C# Signature:

[DllImport("user32.dll")]

public static extern uint GetRawInputDeviceInfo(int deviceHandle, uint command, ref DeviceInfo data, ref uint dataSize);

VB Signature:

Declare Function GetRawInputDeviceInfo  Lib "user32.dll" (TODO) As TODO

User-Defined Types:

[StructLayout(LayoutKind.Explicit)]

        public struct DeviceInfo
        {
            [FieldOffset(0)]
            public int Size;
            [FieldOffset(4)]
            public int Type;

            [FieldOffset(8)]
            public DeviceInfoMouse MouseInfo;
            [FieldOffset(8)]
            public DeviceInfoKeyboard KeyboardInfo;
            [FieldOffset(8)]
            public DeviceInfoHID HIDInfo;
        }

        public struct DeviceInfoMouse
        {
            uint ID;
            uint NumberOfButtons;
            uint SampleRate;
        }

        public struct DeviceInfoKeyboard
        {
            uint Type;
            uint SubType;
            uint KeyboardMode;
            uint NumberOfFunctionKeys;
            uint NumberOfIndicators;
            uint NumberOfKeysTotal;
        }

        public struct DeviceInfoHID
        {
            uint VendorID;
            uint ProductID;
            uint VersionNumber;
            ushort UsagePage;
            ushort Usage;
        }

Alternative Managed API:

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Notes:

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Sample Code:

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