Links help documentation with the command. This help documentation must be a Rich-Text-Format (RTF) file, and it must be stored under the directory defined by FlexUISettings.DefaultHelpFilePath.
If user clicks at theicon on the tooltip, the system will pop up a dialog which will open the specified help file.
Examples
using LinsUI;
publicstaticclassLinsResource
{
[CommandGroupNameAttribute("Shapes and Pictures"), // The Category name