TSharedIcon class

In unit Graphics

Implements a reference-counted shared Icon image type.

Declaration

pascal

TSharedIcon = class(TSharedRasterImage)

Inheritance

Descends from it: TSharedCursorImage TSharedIcnsIcon

Description

TSharedIcon is a TSharedRasterImage descendant which implements a reference counted shared Icon. TSharedIcon provides access to the list of images available in the Icon as TIconImage instances using the Images property. Methods are provided to add, delete, clear, sort, and retrieve the images.

TSharedIcon is the type used to implement the internal shared image in TCustomIcon (and descendant classes).

Properties

Images public Provides indexed access to the images available in the Icon.

Methods

`FreeHandle`	protected	Frees the handle for the shared reference-counted icon.
`UpdateFromHandle`	protected	Frees the existing icon image and reloads it from the specified handle.
`IsEmpty`	protected	Indicates if the shared icon is empty (contains no icon images).
`GetImage`	protected	Gets the value for the indexed Images property.
`Create`	public	Create - constructor for TSharedIcon: performs inherited Create then creates a list of images.
`Destroy`	public	Destroy - destructor for TSharedIcon: frees the list of images and performs inherited Destroy.
`Clear`	public	Clear - remove the icon and free its resources.
`Delete`	public	Removes the icon image with the specified index.
`GetIndex`	public	Gets the Index of an image with specified pixel format, height and width.
`GetImagesClass`	public	Gets the class reference used to create a new icon image in the Images property.
`Add`	public	Adds the specified image to the list of Images in the icon.
`Sort`	public	Sorts values in Images using the IconCompare routine.
`Count`	public	Count - returns the number of references to the shared icon.

Inherited

From TSharedRasterImage (5)

BitmapCanvas CreateDefaultHandle HandleAllocated ReleaseHandle SaveStream

From TSharedImage (3)

RefCount Reference Release

An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.