THitTestLayer32

Ancestors

This is an abstract layer. Its descendant classes implement hit-testing such that calls to TLayeredImage32.GetLayerAt in MouseDown and MouseMove events will return the top-most layer under the specified point.

Common descendant layers include - TDesignerLayer32, TRasterLayer32 and TVectorLayer32.

Reference

Methods	Properties
In THitTestLayer32:
UpdateHitTestMask	HitTestEnabled
In TLayer32:
AddChild	BlendFunc
BringForwardOne	Child
BringToFront	ChildCount
ClearChildren	ClipPath
Create	CursorId
DeleteChild	Height
Destroy	Image
InsertChild	Index
Invalidate	InnerBounds
MakeAbsolute	InnerRect
MakeRelative	Left
Offset	Location
PositionAt	MidPoint
PositionCenteredAt	Name
SendBackOne	Opacity
SendToBack	OuterBounds
SetInnerBounds	Parent
SetSize	Root
	RootOwner
	Top
	UserData
	Visible
	Width

See Also

TDesignerLayer32, TLayeredImage32.GetLayerAt, TRasterLayer32, TVectorLayer32

Copyright ©2010-2023 Angus Johnson  -  Image32 4.8  -  Help file built on 17 Jan 2025