Skip to main content

DevExpress v24.2 Update — Your Feedback Matters

Our What's New in v24.2 webpage includes product-specific surveys. Your response to our survey questions will help us measure product satisfaction for features released in this major update and help us refine our plans for our next major release.

Take the survey Not interested

TdxCustomMapControl.OnSelectionChanging Event

In This Article

Enables you to prohibit certain items from being selected/deselected.

#Declaration

Delphi
property OnSelectionChanging: TdxMapControlSelectionChangingEvent read; write;

#Remarks

Sender specifies the map control.

AItem specifies the map item to be added or removed from the current selection.

AAllow specifies whether the selection change is allowed. Set AAllow to False to prohibit the selection from being modified.

The OnSelectionChanged event fires after all OnSelectionChanging events are handled.

See Also