	`constructor Create(AOwner: TComponent); override;`
	`destructor Destroy; override;`
	`function GetHTMLCode: string;`
	`function GetJsonFromHTMLForms: string; virtual; abstract;`
	`procedure Assign(Source: TPersistent); override;`
	`procedure DoOpenMap; virtual;`
	`procedure ExecuteJavaScript(FunctName, Params: string); virtual; abstract;`
	`procedure LoadBlankPage; virtual; abstract;`
	`procedure LoadMap; virtual; abstract;`
	`procedure OnTimer(Sender: TObject); virtual;`
	`procedure PropertyChanged(Prop: TPersistent; PropName: string);`
	`procedure SetCenterProperty(LatLng: TGMLatLng); virtual; abstract;`
	`procedure SetEnableTimer(State: Boolean); virtual; abstract;`
	`procedure SetIntervalTimer(Interval: Integer); virtual; abstract;`
	`procedure SetMapTypeIdProperty(MapTypeId: TGMMapTypeId); virtual; abstract;`
	`procedure SetZoomProperty(Zoom: Integer); virtual; abstract;`

Properties

	`property Active: Boolean read FActive write SetActive default False;`
	`property AfterPageLoaded: TGMAfterPageLoaded read FAfterPageLoaded write FAfterPageLoaded;`
	`property APIKey: string read FAPIKey write SetAPIKey;`
	`property APILang: TGMAPILang read FAPILang write SetAPILang default lEnglish;`
	`property APIRegion: TGMAPIRegion read FAPIRegion write SetAPIRegion default rUndefined;`
	`property APIVer: TGMAPIVer read FAPIVer write SetAPIVer default avWeekly;`
	`property ByciclingLayer: TGMByciclingLayer read FByciclingLayer write FByciclingLayer;`
	`property IntervalEvents: Integer read FIntervalEvents write SetIntervalEvents default 50;`
	`property KmlLayer: TGMKmlLayer read FKmlLayer write FKmlLayer;`
	`property OnActiveChange: TNotifyEvent read FOnActiveChange write FOnActiveChange;`
	`property OnBoundsChanged: TGMBoundsChangedEvent read FOnBoundsChanged write FOnBoundsChanged;`
	`property OnCenterChanged: TGMLatLngEvent read FOnCenterChanged write FOnCenterChanged;`
	`property OnClick: TGMLatLngEvent read FOnClick write FOnClick;`
	`property OnContextmenu: TGMLatLngEvent read FOnContextmenu write FOnContextmenu;`
	`property OnDblClick: TGMLatLngEvent read FOnDblClick write FOnDblClick;`
	`property OnDrag: TNotifyEvent read FOnDrag write FOnDrag;`
	`property OnDragEnd: TNotifyEvent read FOnDragEnd write FOnDragEnd;`
	`property OnDragStart: TNotifyEvent read FOnDragStart write FOnDragStart;`
	`property OnIntervalEventsChange: TNotifyEvent read FOnIntervalEventsChange write FOnIntervalEventsChange;`
	`property OnMapTypeIdChanged: TGMMapTypeIdChangedEvent read FOnMapTypeIdChanged write FOnMapTypeIdChanged;`
	`property OnMouseMove: TGMLatLngEvent read FOnMouseMove write FOnMouseMove;`
	`property OnMouseOut: TGMLatLngEvent read FOnMouseOut write FOnMouseOut;`
	`property OnMouseOver: TGMLatLngEvent read FOnMouseOver write FOnMouseOver;`
	`property OnPrecisionChange: TNotifyEvent read FOnPrecisionChange write FOnPrecisionChange;`
	`property OnPropertyChanges: TGMPropertyChangesEvent read FOnPropertyChanges write FOnPropertyChanges;`
	`property OnZoomChanged: TGMZoomChangedEvent read FOnZoomChanged write FOnZoomChanged;`
	`property Precision: Integer read FPrecision write SetPrecision default 0;`
	`property TrafficLayer: TGMTrafficLayer read FTrafficLayer write FTrafficLayer;`
	`property TransitLayer: TGMTransitLayer read FTransitLayer write FTransitLayer;`

Description

Fields

FBrowser: TComponent;

Browser where display the Google Maps map.

Methods

constructor Create(AOwner: TComponent); override;

Class constructor.

Creates a TGMCustomMap object.

Parameters

AOwner: Owner of the object.

destructor Destroy; override;

Destructor class.

function GetHTMLCode: string;

Returns the HTML code of map.html on gmmapres.res.

Internal use only.

Returns

String with the HTML code.

Exceptions raised

EGMUnassignedObject: This exception is raised when the Browser property is not assigned.
EGMCanLoadResource: This exception is raised if the resoource of the map can't be load.

function GetJsonFromHTMLForms: string; virtual; abstract;

Reads all fields of all HTML forms and returns a Json with their values.

Returns

Json with the info.

procedure Assign(Source: TPersistent); override;

Call Assign to copy the properties or other attributes form an object to another.

The standard form of a call to Assign method is
Destination.Assign(Source);
which tells the Destination object to copy the contents of the Source object to itself.

Parameters

Source: Object to copy the content.

procedure DoOpenMap; virtual;

Executes the necessary scripts to display the map in the browser.

procedure ExecuteJavaScript(FunctName, Params: string); virtual; abstract;

Execute the JavaScript function FunctName with parameters Params.

If executed succefully returns True, otherwise False.

Parameters

FunctName: JavaScript function name to execute.
Params: Function parameters.

procedure LoadBlankPage; virtual; abstract;

LoadBlankPage method load the about:blank page.

Exceptions raised

EGMIncorrectBrowser: This exception is raised when the Browser object isn't of the correct class.
EGMUnassignedObject: This exception is raised when the Browser property is not assigned.

procedure LoadMap; virtual; abstract;

LoadMap method loads and shows the map.html to use Google Maps API.

The timeout for load page is 15 seconds.

Exceptions raised

EGMIncorrectBrowser: This exception is raised when the class of assigned browser isn't correct.
EGMUnassignedObject: This exception is raised when the Browser property is not assigned.

procedure OnTimer(Sender: TObject); virtual;

OnTimer control event of Timer that check events from map. Internal use only.

Parameters

Sender: Object that fire event

procedure PropertyChanged(Prop: TPersistent; PropName: string);

Method to call into the owner object when changes a property into the current object.

Parameters

Prop: Object property that has changed.
PropName: Name of the property that has changed.

procedure SetCenterProperty(LatLng: TGMLatLng); virtual; abstract;

Assigns the new map center value readed from HTML map code.

@params LatLng The new TGMLatLng

procedure SetEnableTimer(State: Boolean); virtual; abstract;

Enables or disables the Timer that controls the map events.

For internal use.

Parameters

State: Value to be set to Timer status

procedure SetIntervalTimer(Interval: Integer); virtual; abstract;

Set the interval of Timer that control de map events.

Internal use only.

Parameters

Interval: Interval in miliseconds

procedure SetMapTypeIdProperty(MapTypeId: TGMMapTypeId); virtual; abstract;

Assigns the new MapTypeId value readed from HTML map code.

@params MapTypeId The new TGMMapTypeId

procedure SetZoomProperty(Zoom: Integer); virtual; abstract;

Assigns the new Zoom value readed from HTML map code.

@params Zoom The new zoom

Properties

	`property Active: Boolean read FActive write SetActive default False;`
Activate or deactivate access to the map.

property AfterPageLoaded: TGMAfterPageLoaded read FAfterPageLoaded write FAfterPageLoaded;

AfterPageLoaded event is fired when page is loaded.

If param First is True, the base HTML code es loaded. When False the map is loaded.

See TGMAfterPageLoaded for more info.

property APIKey: string read FAPIKey write SetAPIKey;

APIKey is the Key to use on Google Maps.

To obtaining Api Key please check: https://developers.google.com/maps/documentation/javascript/get-api-key

Google Maps limits:

General info: https://developers.google.com/maps/documentation/javascript/usage
Directions: https://developers.google.com/maps/documentation/directions/usage-limits
Geocoding limits usage: https://developers.google.com/maps/documentation/geocoding/usage-limits
Elevation limits usage: https://developers.google.com/maps/documentation/elevation/usage-limits
Distance-Matrix limits usage: https://developers.google.com/maps/documentation/distance-matrix/usage-limits
Geolocation limits usage: https://developers.google.com/maps/documentation/geolocation/usage-limits
Roads limits usage: https://developers.google.com/maps/documentation/roads/usage-limits
Time Zone limits usage: https://developers.google.com/maps/documentation/timezone/usage-limits

Exceptions raised

EGMMapIsActive: This exception is raised when Active property is True.

property APILang: TGMAPILang read FAPILang write SetAPILang default lEnglish;

By default the API will attempt to load the most appropriate language based on the users location or browser settings.

But some APIs allow you to explicitly set a language when you make a request.

More info at Localizing the Map and more specific at Supported Languages

Exceptions raised

EGMMapIsActive: This exception is raised when Active property is True.

property APIRegion: TGMAPIRegion read FAPIRegion write SetAPIRegion default rUndefined;

When you load the Maps JavaScript API from maps.googleapis.com it applies a default bias for application behavior towards the United States.

If you want to alter your application to serve different map tiles or bias the application (such as biasing geocoding results towards the region), you can override this default behavior by adding a region.

More info at Localizing the Map and more specific at Google Maps Platform Coverage Details

Exceptions raised

EGMMapIsActive: This exception is raised when Active property is True.

property APIVer: TGMAPIVer read FAPIVer write SetAPIVer default avWeekly;

Version of the Google Maps API to use.

More info at Versioning

Exceptions raised

EGMMapIsActive: This exception is raised when Active property is True.

property ByciclingLayer: TGMByciclingLayer read FByciclingLayer write FByciclingLayer;

Class for google.maps.BicyclingLayer class.

More information at google.maps.BicyclingLayer class

	`property IntervalEvents: Integer read FIntervalEvents write SetIntervalEvents default 50;`
Interval of time to check the events of map.

property KmlLayer: TGMKmlLayer read FKmlLayer write FKmlLayer;

Class for google.maps.KmlLayer class.

More information at google.maps.KmlLayer class

	`property OnActiveChange: TNotifyEvent read FOnActiveChange write FOnActiveChange;`
OnActiveChange event is fired when Active property value changes.

property OnBoundsChanged: TGMBoundsChangedEvent read FOnBoundsChanged write FOnBoundsChanged;

This event is fired when the viewport bounds have changed.

See TGMBoundsChangedEvent for more info.

property OnCenterChanged: TGMLatLngEvent read FOnCenterChanged write FOnCenterChanged;

This event is fired when the map center property changes.

This event changes the Center property.

See TGMLatLngEvent for more info.

property OnClick: TGMLatLngEvent read FOnClick write FOnClick;

This event is fired when the user clicks on the map.

See TGMLatLngEvent for more info.

property OnContextmenu: TGMLatLngEvent read FOnContextmenu write FOnContextmenu;

This event is fired when the DOM contextmenu event is fired on the map container or when the user rightclicks on the map.

See TGMLatLngEvent for more info.

property OnDblClick: TGMLatLngEvent read FOnDblClick write FOnDblClick;

This event is fired when the user double-clicks on the map.

Note that the click event will also fire, right before this one.

See TGMLatLngEvent for more info.

property OnDrag: TNotifyEvent read FOnDrag write FOnDrag;

This event is repeatedly fired while the user drags the map.

property OnDragEnd: TNotifyEvent read FOnDragEnd write FOnDragEnd;

This event is fired when the user stops dragging the map.

property OnDragStart: TNotifyEvent read FOnDragStart write FOnDragStart;

This event is fired when the user starts dragging the map.

	`property OnIntervalEventsChange: TNotifyEvent read FOnIntervalEventsChange write FOnIntervalEventsChange;`
OnIntervalEventsChange event is fired when IntervalEvents property value changes.

property OnMapTypeIdChanged: TGMMapTypeIdChangedEvent read FOnMapTypeIdChanged write FOnMapTypeIdChanged;

This event is fired whenever the user's mouse moves over the map container.

See TGMMapTypeIdChangedEvent for more info.

property OnMouseMove: TGMLatLngEvent read FOnMouseMove write FOnMouseMove;

This event is fired whenever the user's mouse moves over the map container.

See TGMLatLngEvent for more info.

property OnMouseOut: TGMLatLngEvent read FOnMouseOut write FOnMouseOut;

This event is fired when the user's mouse exits the map container.

See TGMLatLngEvent for more info.

property OnMouseOver: TGMLatLngEvent read FOnMouseOver write FOnMouseOver;

This event is fired when the user's mouse enters the map container.

See TGMLatLngEvent for more info.

	`property OnPrecisionChange: TNotifyEvent read FOnPrecisionChange write FOnPrecisionChange;`
OnPrecisionChange event is fired when Precision property value changes.

property OnPropertyChanges: TGMPropertyChangesEvent read FOnPropertyChanges write FOnPropertyChanges;

Event fired when a property from and object changes.

Parameters

Owner: Owner of property.
PropName: Property name.

property OnZoomChanged: TGMZoomChangedEvent read FOnZoomChanged write FOnZoomChanged;

This event is fired when the map zoom property changes.

See TGMZoomChangedEvent for more info.

property Precision: Integer read FPrecision write SetPrecision default 0;

Precision for lat and lng values.

Possibles values:
0 => Max precision
1..17 => Decimal precision

property TrafficLayer: TGMTrafficLayer read FTrafficLayer write FTrafficLayer;

Class for google.maps.TrafficLayer class.

More information at google.maps.TrafficLayer class

property TransitLayer: TGMTransitLayer read FTransitLayer write FTransitLayer;

Class for google.maps.TransitLayer class.

More information at google.maps.TransitLayer class

Generated by PasDoc 0.15.0.

Google Maps Library

Class TGMCustomMap

Unit

Declaration

Description

Hierarchy

Overview

Fields

Methods

Properties

Description

Fields

Methods

Parameters

Returns

Exceptions raised

Returns

Parameters

Parameters

Exceptions raised

Exceptions raised

Parameters

Parameters

Parameters

Parameters

Properties

Exceptions raised

Exceptions raised

Exceptions raised

Exceptions raised

Parameters