onTargetUserControlReplaced

Since version 1.10 the UserControlHost and the UserControl form a firmer unit. This is established when the UserControlHost is created and can no longer be separated. The event is therefore no longer used.

In version 1.8:

The user control was replaced. The new control is not yet displayed at this point in time.

Origin: User Control Host

onTargetUserControlReplaced 1:

Available from version 1.8, not applicable from version 1.10.