/// <summary>
/// Creates a standard keypad effect with the specified parameters.
/// </summary>
/// <param name="effect">The type of effect to create.</param>
/// <param name="param">Effect-specific parameters.</param>
/// <returns>A <see cref="Guid" /> for the created effect.</returns>
internal static Guid CreateKeypadEffect(Razer.Keypad.Effects.Effect effect, IntPtr param)
{
var guid = Guid.Empty;
var result = NativeMethods.CreateKeypadEffect(effect, param, ref guid);
if (!result)
{
throw new NativeCallException("CreateKeypadEffect", result);
}
return(guid);
}
/// <summary>
/// Helper method for creating keypad effects with parameter struct.
/// </summary>
/// <typeparam name="T">The effect struct type.</typeparam>
/// <param name="effect">The type of effect to create.</param>
/// <param name="struct">Effect options struct.</param>
/// <returns>A <see cref="Guid" /> for the created effect.</returns>
private static Guid CreateKeypadEffect <T>(Razer.Keypad.Effects.Effect effect, T @struct) where T : struct
{
var ptr = Marshal.AllocHGlobal(Marshal.SizeOf(@struct));
Marshal.StructureToPtr(@struct, ptr, false);
try
{
return(CreateKeypadEffect(effect, ptr));
}
finally
{
Marshal.FreeHGlobal(ptr);
}
}
/// <summary>
/// Create a keypad effect without a parameter.
/// </summary>
/// <param name="effect">The type of effect to create.</param>
/// <returns>A <see cref="Guid" /> for the created effect.</returns>
/// <remarks>This is currently only valid for <see cref="Razer.Keypad.Effects.Effect.None" />.</remarks>
internal static Guid CreateKeypadEffect(Razer.Keypad.Effects.Effect effect)
{
return(CreateKeypadEffect(effect, IntPtr.Zero));
}