/// <param name="lpString">Pointer to a null-terminated character string or contains an atom that identifies a string. If this parameter is an atom, it must have been created using the GlobalAddAtom function. The atom, a 16-bit value, must be placed in the low-order word of lpString; the high-order word must be zero.</param>

/// <param name="lpString">Pointer to a null-terminated string or contains an atom that identifies a string. If this parameter is an atom, it must be a global atom created by a previous call to the GlobalAddAtom function. The atom must be placed in the low-order word of lpString; the high-order word must be zero.</param>

    Declare Auto Function GlobalAddAtom Lib "kernel32.dll" (ByVal lpString As String) As UShort

        hotKeyID = GlobalAddAtom("Form1HotKey")

static extern ushort GlobalAddAtom(string lpString);

Private Shared Function GlobalAddAtom( _

Declare Auto Function GlobalAddAtom Lib "kernel32.dll" (ByVal lpString As String) As UInt16