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Called to check whether this control allows docking and where.
Source position: controls.pp line 2081
protected procedure TWinControl.DockOver( |
Source: TDragDockObject; |
X: Integer; |
Y: Integer; |
State: TDragState; |
var Accept: Boolean |
); virtual; |
Accept |
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Initially True, set to False to reject an drop. |
Called on dragmanager messages dmEnter/Leave/Move, to get the DockRect to show.
Positions the DockRect, invokes OnDockOver (via DoDockOver)
Everything can be overridden by the OnDockOver handler, if installed.
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Get the DockRect for an possible drop. |
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TControl.OnDockOver |
lazarus-ccr.sourceforge.net |