TButtonGlyph

type TButtonGlyph = class(TObject, IUnknown, IImageCacheListener)

public

  function QueryInterface();

Implements the method from IUnknown.

  function _AddRef;

Implements the method from IUnknown.

  function _Release;

Implements the method from IUnknown.

  procedure CacheSetImageList();

Stores the specified Image list in the Images property.

  procedure CacheSetImageIndex();

Sets the button state for the image in AIndex to the value specified in AImageIndex.

protected

  function CanShow;

Indicates if the glyph image can be drawn for the button glyph.

  function CanShowGlyph;

Determines if an image is available for the button glyph.

  procedure DoChange; virtual;

Performs actions needed when the glyph image has been changed for the class instance.

  procedure GlyphChanged();

Provides a default implementation for the OnChange event handler.

  procedure SetTransparentMode();

Sets the value for the TransparentMode property.

  property TransparentMode: TGlyphTransparencyMode; [r]

Indicates the transparency mode used to render the glyph image.

public

  constructor Create;

Create - constructor for TButtonGlyph: frees the Images cache then creates a Glyph Bitmap.

  destructor Destroy; override;

Destroy - destructor for TButtonGlyph: frees caches and calls inherited Destroy.

  procedure GetImageIndexAndEffect();

Gets the index for a button image using a given state, and the effect used to draw it.

  function Draw();

Draws the glyph for the button using the specified settings and state.

  procedure Refresh;

Updates the button glyph after changes to property values.

  property Glyph: TBitmap; [rw]

The bitmap image drawn as the glyph on the button.

  property IsDesigning: Boolean; [rw]

Indicates whether change notifications are suppressed while editing property values.

  property NumGlyphs: TNumGlyphs; [rw]

The number of glyphs available for button states.

  property Images: TCustomImageList; [r]

The list of available images for the button glyph.

  property LCLGlyphName: string; [rw]

Stores the standard LCL resource name used for the Glyph in the class instance.

  property ExternalImages: TCustomImageList; [rw]

Contains a reference to an external list of images that can be used as the Glyph image,

  property ExternalImageWidth: Integer; [rw]

Width for the images in the ExternalImages property.

  property ExternalImageIndex: Integer; [rw]

Ordinal position for the bitmap in ExternalImages displayed when the button is Up (not pressed).

  property ExternalHotImageIndex: Integer; [rw]

Ordinal position in ExternalImages for the image displayed when the button is Hot (hovered).

  property ExternalDisabledImageIndex: Integer; [rw]

Ordinal position in ExternalImages for the image displayed when the button is Disabled.

  property ExternalPressedImageIndex: Integer; [rw]

Ordinal position in ExternalImages for the image displayed when the button is Pressed (down).

  property ExternalSelectedImageIndex: Integer; [rw]

Ordinal position in ExternalImages for the image displayed when the button is Selected (has focus).

  property Width: Integer; [r]

The Width of the Glyph image.

  property Height: Integer; [r]

The height of the glyph image.

  property ShowMode: TGlyphShowMode; [rw]

Indicates the logic used to display the Glyph image for the class instance.

  property OnChange: TNotifyEvent; [rw]

Event handler signalled when the bitmap in Glyph has been changed.

end;

TButtonGlyph,IUnknown,IImageCacheListener

Represents an image that can be attached to a button.

TObject

TCustomSpeedButton.ButtonGlyph

Gets the TButtonGlyph used for the control.

TMenu

TMenu - a menu appearing in a form. Base class for TMainMenu or TPopupMenu.

TMenuItem

Represents a menu item displayed in a menu.