BasicCommandHandlers.TextTemplateCommandParameterManager.TextTemplateCommandParameterManager C# (CSharp) Метод

        public TextTemplateCommandParameterManager(ITextTemplateService textTemplate, ISendStringService sendString)
        {
            _textTemplate = textTemplate;
            _placeholder = "";

            _insertPlacholder = new VMCommand( () => {
                if( string.IsNullOrEmpty( _placeholder ) ) return;
                if( !IsFocused ) return;

                sendString.SendString( _textTemplate.OpentTag + _placeholder + _textTemplate.CloseTag );

                NotifyPropertyChanged( "Template" );
                NotifyPropertyChanged( "IsValid" );
            } );
        }