Visual VCL Pack1 provides for over 30 VCL components and classes, 17 of which are design time controls. The controls fall into four broad catagories namely edit controls, utility controls and graphical selection controls and custom drop down combo controls The edit controls comprises of a rich edit 2.0 control, which supports OLE linking and embedding, and a Listbox control which caters for the display of both text and images. The utility controls comprise of a spell checker control, design time storage controls which are a binary streaming control, a stringlist streaming control as well as a file storage control. in addition, the utility controls include a 128 bit encryption control. The graphical selection controls comprise of a 3-D image array control which provides the functionality of a multiple button array and a multi column tree view control. The custom drop down combo control include the base classes to allow one to derive their own drop down control. Drop down controls supplied include as calculator combo control and a tree view combo control. The functionality of these controls are supported by several helper VCL classes. The VCL Pack also comes with a dictionary builder application to allow custom dictionaries to be created for use with the spell check control.