TDragImageListResolution

type TDragImageListResolution = class(TCustomImageListResolution)

protected

  class procedure WSRegisterClass; override;

Registers this component class with the current WidgetSet.

  property ImageList: TDragImageList; [r]

List with images used in Drag and Drop operations.

public

  constructor Create(); override;

Constructor for the class instance.

  function GetHotSpot; override;

Gets the HotSpot for the image resolution.

  function BeginDrag();

Starts display of images in the resolution for a Drag and Drop operation.

  function DragLock();

Shows the Drag image and optionally locks the Window handle during the Drag operation.

  function DragMove();

Moves the drag image to the specified position.

  procedure DragUnlock;

Hides the Drag image and removes the update lock for the Window.

  function EndDrag;

Removes the drag lock and restores the saved cursor when the drag operation has ended.

  procedure HideDragImage;

Notifies the widgetset class to hide the drag image.

  procedure ShowDragImage;

Notifies the widgetset class to display the drag image for the resolution.

  property DragHotspot: TPoint; [rw]

Contains the mouse position for the drag image.

  property Dragging: Boolean; [r]

Indicates that BeginDrag has been called for the image resolution.

end;

TDragImageListResolution

Implements an image list resolution with features used in Drag and Drop operations.

TCustomImageListResolution

Implements an image resolution (or size) used in TCustomImageList.

TLCLReferenceComponent

Base class for all components having an associated widget with a handle.

TLCLComponent

The base class for LCL components which have an associated widget.

TComponent,IUnknown,IInterfaceComponentReference

TPersistent,IFPObserved

TObject

TDragImageList.DraggingResolution

Gets the scaled image resolution with the drag images for the list.

TDragImageList.Resolution

Gets the image resolution for the specified image width.