set and get properties for dll

[hamid]

i design a dll of a text box that convert character to another character.
i want set special size for it for first time and resizable capability. i use get and set for my text box name:

		public string TextInput
		{
			set
			{
				textInput.Text=value;
				textInput.RightToLeft=System.Windows.Forms.RightToLeft.Yes;
			}
			get
			{
				return textInput.Text;
			}
		}

now i want set properties for size!