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Docs > VCL Controls > ExpressMapControl Suite > API Reference > dxMapItemFileLayer > TdxMapItemFileLayer > Methods
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LoadFromFile(string)
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TdxMapItemFileLayer Methods

An item file layer.
Name Description
AddItem(TdxMapItemClass) Creates a map item of a specified type and appends it to the layer’s MapItems collection. Inherited from TdxCustomMapItemLayer.
AddToCollection(TcxComponentCollection) protected Adds the current collection element to a collection. Inherited from TcxComponentCollectionItem.
Assign(TPersistent) Inherited from TPersistent.
AssignTo(TPersistent) Inherited from TPersistent.
BeginInvoke(TAsyncConstArrayFunctionEvent,Untyped[],TObject) Inherited from TComponent.
BeginInvoke(TAsyncConstArrayProc,Untyped[],TObject) Inherited from TComponent.
BeginInvoke(TAsyncConstArrayProcedureEvent,Untyped[],TObject) Inherited from TComponent.
BeginInvoke(TAsyncFunctionEvent,TObject) Inherited from TComponent.
BeginInvoke(TAsyncProcedureEvent,TObject) Inherited from TComponent.
BeginInvoke(TProc,TObject) Inherited from TComponent.
BeginInvoke<TResult>(TAsyncConstArrayFunc<TResult>,Untyped[],TObject) Inherited from TComponent.
BeginInvoke<TResult>(TFunc<TResult>,TObject) Inherited from TComponent.
DestroyComponents Inherited from TComponent.
Destroying Inherited from TComponent.
EndFunctionInvoke(IAsyncResult) Inherited from TComponent.
EndInvoke(IAsyncResult) Inherited from TComponent.
EndInvoke<TResult>(IAsyncResult) Inherited from TComponent.
Equals(TObject) Inherited from TObject.
ExecuteAction(TBasicAction) Inherited from TComponent.
FindComponent(String) Inherited from TComponent.
FreeNotification(TComponent) Inherited from TComponent.
FreeOnRelease Inherited from TComponent.
GeoPointToMapUnit(TdxMapControlGeoPoint,Boolean) Converts a specified point defined in geographical coordinates to internal map units. Inherited from TdxMapLayer.
GeoPointToScreenPoint(TdxMapControlGeoPoint) Converts a point in geographical coordinates into screen coordinates. Inherited from TdxMapLayer.
GetChildren(TGetChildProc,TComponent) Inherited from TComponent.
GetCollectionFromParent(TComponent) protected Inherited from TcxComponentCollectionItem.
GetHashCode Inherited from TObject.
GetItemHint(TdxMapItem) Obtains the hint message for a specified map item. Inherited from TdxCustomMapItemLayer.
GetItemsInRegion(TRect,TList) Obtains a list of map items that are enclosed by a specified rectangle. Inherited from TdxCustomMapItemLayer.
GetNamePath Inherited from TPersistent.
GetOwner Inherited from TPersistent.
GetParentComponent Returns the parent component of the current item’s collection. Inherited from TcxComponentCollectionItem.
HasParent Inherited from TComponent.
InsertComponent(TComponent) Inherited from TComponent.
IsActuallyVisible Identifies if the map layer is visible. Inherited from TdxMapLayer.
IsImplementorOf(IInterface) Inherited from TComponent.
Loaded Inherited from TComponent.
LoadFromFile(string) Loads vector data from a specified file.
LoadFromStream(TStream) Loads KML vector data from a specified file stream.
LoadShapeFileFromStream(TStream,TStream,TStream) Loads Esri shapefile vector data (shapes, their attributes, and encoding) from specified streams.
LoadShapeFileFromStream(TStream,TStream) Loads Esri shapefile vector data (shapes and their attributes) from specified file streams.
MapUnitToScreenPoint(TdxPointDouble) Converts a specified point defined in internal map units to screen coordinates. Inherited from TdxMapLayer.
Notification(TComponent,TOperation) Inherited from TComponent.
ReferenceInterface(IInterface,TOperation) Inherited from TComponent.
RemoveComponent(TComponent) Inherited from TComponent.
RemoveFreeNotification(TComponent) Inherited from TComponent.
RemoveFromCollection(TcxComponentCollection) protected Removes the current collection element from a collection. Inherited from TcxComponentCollectionItem.
ScreenPointToGeoPoint(TdxPointDouble) Converts a specified point on a screen to geographical coordinates. Inherited from TdxMapLayer.
ScreenPointToMapUnit(TdxPointDouble) Converts a specified point on a screen to internal map units. Inherited from TdxMapLayer.
SetParentComponent(TComponent) Adds the current element to a collection associated with a specified component. Inherited from TcxComponentCollectionItem.
SetSubComponent(Boolean) Inherited from TComponent.
ToString Inherited from TObject.
UpdateAction(TBasicAction) Inherited from TComponent.
See Also