/// <summary>
/// Unregisters the window class represented by classAtom
/// </summary>
/// <param name="arg">A ushort representing the class atom</param>
internal static object UnregisterClass(object arg)
{
ushort classAtom = (ushort)arg;
if (classAtom != 0)
{
IntPtr hInstance = UnsafeNativeMethods.GetModuleHandle(null);
UnsafeNativeMethods.UnregisterClass(
new IntPtr(classAtom), //* this function is defined as taking a type lpClassName - but this can be an atom. 2 Low Bytes are the atom*/
hInstance);
}
return(null);
}