public override Rect GetInitialChildPlacement( 
   UIElement child,
   Rect currentPlacement,
   Rect targetPlacement,
   AnimationPanel activeLayout,
   ref AnimationRate animationRate,
   out object placementArgs,
   out bool isDone
)

'Declaration
 
Public Overrides Function GetInitialChildPlacement( _
   ByVal child As UIElement, _
   ByVal currentPlacement As Rect, _
   ByVal targetPlacement As Rect, _
   ByVal activeLayout As AnimationPanel, _
   ByRef animationRate As AnimationRate, _
   ByRef placementArgs As Object, _
   ByRef isDone As Boolean _
) As Rect

'Usage
 
Dim instance As DoubleAnimator
Dim child As UIElement
Dim currentPlacement As Rect
Dim targetPlacement As Rect
Dim activeLayout As AnimationPanel
Dim animationRate As AnimationRate
Dim placementArgs As Object
Dim isDone As Boolean
Dim value As Rect
 
value = instance.GetInitialChildPlacement(child, currentPlacement, targetPlacement, activeLayout, animationRate, placementArgs, isDone)

Parameters

child

currentPlacement

targetPlacement

activeLayout

animationRate

placementArgs

isDone

Target Platforms: Windows 11, Windows 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

DoubleAnimator Class
DoubleAnimator Members
Base Implementation in GetInitialChildPlacement