public ColorDialog() { this.InitializeComponent(); this.ConstructStrings(); this.CopyButton.Tapped += (s, e) => Clipboard2.CopyText(this.TextBox.Text); this.PasteButton.Tapped += async(s, e) => { string text = await Clipboard2.PasteTextAsync(); if (string.IsNullOrEmpty(text)) { return; } this.TextBox.Text = text.ToUpper(); }; }