public NativeImport.NativeStructs.RawInput GetRawInputData(IntPtr lParam)
{
uint dwSize = 0;
NativeImport.GetRawInputData(
lParam,
RID_INPUT,
IntPtr.Zero,
ref dwSize,
(uint)Marshal.SizeOf(typeof(NativeImport.NativeStructs.RawInputHeader))
);
IntPtr buffer = Marshal.AllocHGlobal((int)dwSize);
NativeImport.GetRawInputData(
lParam,
RID_INPUT,
buffer,
ref dwSize,
(uint)Marshal.SizeOf(typeof(NativeImport.NativeStructs.RawInputHeader))
);
NativeImport.NativeStructs.RawInput raw = (NativeImport.NativeStructs.RawInput)Marshal.PtrToStructure(buffer, typeof(NativeImport.NativeStructs.RawInput));
Marshal.FreeHGlobal(buffer);
return(raw);
}