TemplateGroupCollection Class
Assembly: System.Design (in system.design.dll)
The ControlDesigner class, and any derived class, defines the TemplateGroups property as a TemplateGroupCollection object. The TemplateGroupCollection property is typically used only by a design host such as Visual Studio 2005.
The collection dynamically increases in size as objects are added. Indexes in this collection are zero-based. Use the Count property to determine how many groups are in the collection.
Additionally, use the TemplateGroupCollection methods and properties to provide the following functionality:
-
The Add method to add a single group to the collection.
-
The Insert method to add a group at a particular index within the collection.
-
The Remove method to remove a group.
-
The RemoveAt method to remove the group at a particular index.
-
The Contains method to determine whether a particular group is already in the collection.
-
The IndexOf method to retrieve the index of a group within the collection.
-
The Item indexer to get or set the group at a particular index, using array notation.
-
The AddRange method to add multiple groups to the collection.
You can add multiple groups either as an array of groups or as a TemplateGroupCollection object that you retrieve through the TemplateGroups property of another control designer.
-
The Clear method to remove all groups from the collection.
The following code example demonstrates how to define a simple control designer that is derived from the ControlDesigner class. The derived control designer implements the TemplateGroups property by getting the template groups that are defined for the base class and adding a template group that is specific to the derived control designer.