Google Maps Library

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Unit GMLib.Events

Description
Uses
Classes, Interfaces, Objects and Records
Functions and Procedures
Types
Constants
Variables

Description

Events definition for GMLib.

The GMLib.Events unit provides access to all events fired for GMLib components.

Uses

Overview

Types

TGMPropertyChangesEvent = procedure(Owner: TObject; PropName: string) of object;
TGMBoundsChangedEvent = procedure(Sender: TObject; NewBounds: TGMLatLngBounds) of object;
TGMLatLngEvent = procedure(Sender: TObject; LatLng: TGMLatLng; X, Y: Double) of object;
TGMMapTypeIdChangedEvent = procedure(Sender: TObject; NewMapTypeId: TGMMapTypeId) of object;
TGMZoomChangedEvent = procedure(Sender: TObject; NewZoom: Integer) of object;
TGMAfterPageLoaded = procedure(Sender: TObject; First: Boolean) of object;

Description

Types

TGMPropertyChangesEvent = procedure(Owner: TObject; PropName: string) of object;

Event fired when a property from and object changes.

Parameters
Owner
Owner of property.
PropName
Property name.
TGMBoundsChangedEvent = procedure(Sender: TObject; NewBounds: TGMLatLngBounds) of object;

OnBoundsChanged event is fired when the bounds of map changed.

Parameters
Sender
Owner object.
NewBounds
New map bounds.
TGMLatLngEvent = procedure(Sender: TObject; LatLng: TGMLatLng; X, Y: Double) of object;

TGMLatLngEvent is used for events that return a lat/lng formatted in LatLng and a X and Y.

Parameters
Sender
Owner object.
LatLng
Lat/lng coordinates.
X
X Coordinate.
Y
Y Coordinate.
TGMMapTypeIdChangedEvent = procedure(Sender: TObject; NewMapTypeId: TGMMapTypeId) of object;

This event is fired when the mapTypeId property changes.

Parameters
Sender
Owner object.
NewMapTypeId
The new TGMMapTypeId.
TGMZoomChangedEvent = procedure(Sender: TObject; NewZoom: Integer) of object;

This event is fired when the map zoom property changes.

Parameters
Sender
Owner object.
NewZoom
The new zoom.
TGMAfterPageLoaded = procedure(Sender: TObject; First: Boolean) of object;

AfterPageLoaded event is fired when the base HTML code es loaded (First param is True) or map is loaded (First param is False).

Parameters
Sender
Owner object.
First
True when HTML code loaded. False when Google Maps map loaded.

Author

Created

August 2, 2022

Last Modified

August 21, 2022

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