public Form1()
        {
            InitializeComponent();
            CheckForIllegalCrossThreadCalls = false; // <=== this is important for async access to thread
        }

        fconsole1.WriteLine("text");
        this.WriteLine("text");//(extension method)
        
        fconsole1.WriteLine("text",Color.White);
        this.WriteLine("text",Color.White);//(extension method)
        
        fconsole1.Write("text");
        this.Write("text");//(extension method)
        
        fconsole1.Write("text",Color.White);
        this.Write("text",Color.White);//(extension method)
        
        
        var line = fconsole1.ReadLine();//used in async method
        //or
        var line = this.ReadLine();//this as any Form (extension method)
        
       
       var line = await fconsole1.ReadKey(); //used in async method
       //or
       var line = await this.ReadKey();//(extension method)