TdxCustomMapItemLayer.OnGetItemHint Event

Enables you to provide a hint message for a specified map item.

Declaration

property OnGetItemHint: TdxCustomMapItemLayerGetItemHintEvent read; write;

Remarks

The map layer’s GetItemHint function fires this event to determine the hint message to display for a map item whose Hint property is assigned an empty string.

Sender provides access to the map layer.

Item specifies the map item whose hint message is about to be determined.

Pass a hint message as the AHint parameter. This parameter is initialized with the map layer’s ItemHint property value. In addition to normal strings, you can include a map item’s attribute values in the message. Refer to the ItemHint property description for more information.