Paint.HomeScreen.btnCopy_TouchUpInside C# (CSharp) Méthode

partial         void btnCopy_TouchUpInside(MonoTouch.UIKit.UIButton sender)
        {
            if (this.fileListLength == 0)
            {
                return;
            }

            this.InvokeCommandAndShowBusyIndicator(() =>
            {
                var newFile = this.CopyImage(this.PictureIdFromFile(currentFileIndex));
                this.AddImageToFileListAndScrollToDisplay(newFile);
            });
        }