OpenTween.MediaSelector.FilePickButton_Click C# (CSharp) Method

        private void FilePickButton_Click(object sender, EventArgs e)
        {
            var service = this.SelectedService;

            if (FilePickDialog == null || service == null) return;
            FilePickDialog.Filter = service.SupportedFormatsStrForDialog;
            FilePickDialog.Title = Properties.Resources.PickPictureDialog1;
            FilePickDialog.FileName = "";

            this.FilePickDialogOpening?.Invoke(this, EventArgs.Empty);

            try
            {
                if (FilePickDialog.ShowDialog() == DialogResult.Cancel) return;
            }
            finally
            {
                this.FilePickDialogClosed?.Invoke(this, EventArgs.Empty);
            }

            ValidateNewFileMediaItem(FilePickDialog.FileName, AlternativeTextBox.Text.Trim(), false);
        }