public Object Value { get; set; }

Public Property Value As Object
	Get
	Set

public:
property Object^ Value {
	Object^ get ();
	void set (Object^ value);
}

The value assigned to the TextBox can be a String or any other data type. If the type is not a String the TextBox will display the return of the ToString() method. When the text is edited in the UI, the type of Value will always be String.