ReadOnly determines if the DateTimePicker supports free form editing of the date. If this property is set to false then the onUserString event must also be handled to correctly convert the user text into a time.
[Visual Basic] Public Property ReadOnly As Boolean [C#] public bool ReadOnly {get; set;} [C++] public: __property bool get_ReadOnly(); public: __property void set_ReadOnly(bool); [JScript] public function get ReadOnly() : Boolean; public function set ReadOnly(Boolean);
DateTimePicker Class | DateTimePicker Members | System.WinForms Namespace