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Reference for unit 'Controls' (#lcl)

TUnDockEvent

The type used for OnUnDock event handler.

Declaration

Source position: controls.pp line 584

type TUnDockEvent = procedure(

Sender: TObject;

Client: TControl;

NewTarget: TWinControl;

var Allow: Boolean

) of object;

`Sender`		The docksite from which the object is undocked.
`Client`		The control to be undocked.
`NewTarget`		The new docksite for Client, Nil when undocked into floating state.
`Allow`		Set Allow to False to reject undocking.

An UnDock event is sent by a dock site, and occurs before a control is undocked. The handler can reject undocking, by setting Allow to False.

Version 3.2

Generated 2024-02-25