[Overview][Classes][Index] |
[Properties (by Name)] [Methods (by Name)] [Events (by Name)]
Abstract common class for group icon and group cursor classes
Source position: groupresource.pp line 29
type TGroupResource = class(TAbstractResource) end; |
||
protected |
||
procedure FindSubResources; |
||
procedure ReadResourceItemHeader; virtual; abstract; |
||
procedure CheckBuildItemStream; |
||
function GetItemData; |
||
procedure WriteHeader(); virtual; abstract; |
||
function WriteResHeader; |
||
procedure CreateSubItems; |
||
procedure CreateSubItem; virtual; abstract; |
||
procedure UpdateItemOwner(); virtual; abstract; |
||
procedure ClearItemList; virtual; abstract; |
||
procedure DeleteSubItems; virtual; abstract; |
||
function GetSubStreamCount; |
||
function GetSubStream(); virtual; abstract; |
||
procedure SetOwnerList(); override; |
||
procedure NotifyResourcesLoaded; override; |
||
public |
||
destructor Destroy; override; |
|
|
function CompareContents(); override; |
||
procedure SetCustomItemDataStream(); |
|
Sets a custom stream as the underlying stream for ItemData |
procedure UpdateRawData; override; |
||
|
Resource data as an ICO/CUR stream |
|
|
Abstract common class for group icon and group cursor classes |
|
| | ||
|
Base abstract resource class |
|
| | ||
TObject |
This class provides common functionalities that are extended by TGroupIconResource and TGroupCursorResource.
Resources of type RT_GROUP_ICON and RT_GROUP_CURSOR represent a .ico or .cur file, respectively. However, data isn't contained in a single resource, but it's scattered over several different resources. That is, a .ico file contains an icon, which is made of several different images (for different sizes and color depth); when it is represented as a resource, however, the RT_GROUP_ICON resource only contains information about the single images, which are contained each in a different resource of type RT_ICON. The single resources are pretty unuseful alone, since they only consist of raw image data: they must be accessed in the contest of the RT_GROUP_ICON resource, which provides information about them.
TGroupIconResource and TGroupCursorResource provide a way to handle resources of these types as if they were .ico or .cur files. This class implements common functionalities, since icons and cursors are very similar.
Remark: | An object of this class should never be directly instantiated: use a descendant class instead. |
|
Group icon resource type |
|
|
Group cursor resource type |