Specifies the detail description for the command. If user clicks at the 
icon on the tooltip, the system will pop up a dialog which will give this detail description.
Examples
using LinsUI;
public static class LinsResource
{
[CommandGroupNameAttribute("Shapes and Pictures"), // The Category name
// Command name
CommandNameAttribute("Color"),
// Tell the application, it is a combobox
CommandTypeAttribute(TSITEM_TYPEID.COMBOBOX),
// Tooltip for the combobox
ToolTipAttribute("Select a color for the shape"),
// The detail description
DetailDescriptionAttribute("Select a color, the shape will automatically update with the selected color...")]
public const long m_nColorID = FlexConstants.m_nUserDefinedControlStartID + 1;
}
