API:System.Win.TaskbarCore.TThumbBarButtonBase
Delphi
TThumbBarButtonBase = class(TCollectionItem)
C++
class PASCALIMPLEMENTATION TThumbBarButtonBase : public System::Classes::TCollectionItem
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| class | public | System.Win.TaskbarCore.pas System.Win.TaskbarCore.hpp |
System.Win.TaskbarCore | System.Win.TaskbarCore |
Description
TCollectionItem represents an item in a collection. {{#multireplace:System.Win.TaskbarCore.TThumbBarButtonBase|H21=!|H25=%|H28=(|H29=)|H2A=*|H2B=+|H2F=/|H3C=<|H3D==|H3E=>|H5B=[|H5D=]|H5E=^|H7C=|}} inherits from {{#multireplace:System.Classes.TCollectionItem|H21=!|H25=%|H28=(|H29=)|H2A=*|H2B=+|H2F=/|H3C=<|H3D==|H3E=>|H5B=[|H5D=]|H5E=^|H7C=|}}. All content below this line refers to {{#multireplace:System.Classes.TCollectionItem|H21=!|H25=%|H28=(|H29=)|H2A=*|H2B=+|H2F=/|H3C=<|H3D==|H3E=>|H5B=[|H5D=]|H5E=^|H7C=|}}.
TCollectionItem represents an item in a collection.
A TCollection holds a group of TCollectionItem objects. TCollectionItems are created and destroyed by TCollection's Add and Clear methods. Each TCollectionItem has a Collection property that points to the TCollection object to which the item belongs.
Objects descending from TCollection can contain objects descending from TCollectionItem. For example, a TDBGridColumns object contains TColumn objects; these two classes are used by TDBGrid to represent grid columns.