Question

I’m building a custom user control. One of the properties must allow the end user to select the numeric data type such as int, short, long, double….

I’m having a problem figuring out what to use as an internal property type, so that when the user selects the DataType option in the property box it will give them a drop down list of all the numeric types.

I’ve tried a few variances… This one below, when compiled displays the DataType property as grayed out. It won’t allow me to select or enter a value.

   private System.ValueType _DataType;    public System.ValueType DataType    {         get { return _DataType; }        set        {             _DataType = value;        }    } 

Any help is appreciated. Thanks!

Answer 1

The property editor has no idea how to edit the type. The easiest way to fix it is to use a type it does know how to edit, like a string or an enum. Enum probably fits best with what you are trying to accomplish.