private void NextBlendFunctionExecute() { if (BlendFunctions.Last() != SelectedBlendFunction) { SelectedBlendFunction = BlendFunctions[BlendFunctions.IndexOf(SelectedBlendFunction) + 1]; } }
private void PreviousBlendFunctionExecute() { if (BlendFunctions.First() != SelectedBlendFunction) { SelectedBlendFunction = BlendFunctions[BlendFunctions.IndexOf(SelectedBlendFunction) - 1]; } }