C# (CSharp) ScreenShotCommand.RaiseCanExecuteChanged示例

示例#1

        void CheckFunctionalityAvailability()
        {
            var audioAvailable = Settings.Audio.Enabled;

            var videoAvailable = !(VideoViewModel.SelectedVideoSourceKind is NoVideoSourceProvider);

            RecordCommand.RaiseCanExecuteChanged(audioAvailable || videoAvailable);

            ScreenShotCommand.RaiseCanExecuteChanged(videoAvailable);
        }

示例#2

        void CheckFunctionalityAvailability()
        {
            var audioAvailable = AudioViewModel.AudioSource.AudioAvailable;

            var videoAvailable = VideoViewModel.SelectedVideoSourceKind != VideoSourceKind.NoVideo;

            RecordCommand.RaiseCanExecuteChanged(audioAvailable || videoAvailable);

            ScreenShotCommand.RaiseCanExecuteChanged(videoAvailable);
        }