TTMSFNCMaps.LoadGeoJSONFromStream Method

Loads GeoJSON content and optionally creates map elements from it.

API unit family: TMSFNCMaps Declaring type: TTMSFNCMaps Inherited from: TTMSFNCCustomMaps

Overloads

Overload 1

Loads GeoJSON content and optionally creates map elements from it.

function LoadGeoJSONFromStream(const AStream: TStream; AAutoDisplay: Boolean = True; AZoomToBounds: Boolean = True): TTMSFNCMapsGeoJSONRec; overload; virtual;

Remarks

Import and export workflows usually need guide snippets for provider setup, styling, and event handling.

Parameters

Name	Description
AStream	Stream to read from or write to.
AAutoDisplay	Set to True to create map elements from the imported data immediately.
AZoomToBounds	Bounds used by the operation.

Returns

True when the operation succeeds or the condition is met; otherwise False.

Overload 2

Loads GeoJSON content and optionally creates map elements from it.

function LoadGeoJSONFromStream(const AStream: TStream; AEncoding: TEncoding; AAutoDisplay: Boolean = True; AZoomToBounds: Boolean = True): TTMSFNCMapsGeoJSONRec; overload; virtual;

Remarks

Import and export workflows usually need guide snippets for provider setup, styling, and event handling.

Parameters

Name	Description
AStream	Stream to read from or write to.
AEncoding	Encoding used to read or write text content.
AAutoDisplay	Set to True to create map elements from the imported data immediately.
AZoomToBounds	Bounds used by the operation.

Returns

True when the operation succeeds or the condition is met; otherwise False.