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Docs > VCL Controls > ExpressMapControl Suite > API Reference > dxMapItemFileLayer > TdxMapItemFileLayer > Members
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V24.1
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TdxMapItemFileLayer
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TdxMapItemFileType
dxMapItemLayer
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TdxMapItemFileLayer Members

An item file layer.

Constructors

Name Description
Create(TComponent) Inherited from TComponent.

Properties

Name Description
Active Makes the layer’s map items available for display in a map control.
AllowHotTrack Enables item hot-tracking. Inherited from TdxCustomMapItemLayer.
Collection Specifies the collection containing the current element. Inherited from TcxComponentCollectionItem.
ComObject Inherited from TComponent.
ComponentCount Inherited from TComponent.
ComponentIndex Inherited from TComponent.
Components Inherited from TComponent.
ComponentState Inherited from TComponent.
ComponentStyle Inherited from TComponent.
DesignInfo Inherited from TComponent.
DisplayName Specifies the collection item’s name displayed in the collection editor. Inherited from TcxComponentCollectionItem.
FileName Specifies the full path to the file that provides vector data to be loaded into the layer.
FileType Specifies the format of the file that provides vector data to be loaded into the layer.
ID Gets the unique identifier of the current collection element. Inherited from TcxComponentCollectionItem.
Index Specifies the zero-based index of the current element in the collection. Inherited from TcxComponentCollectionItem.
InitialMapSize Specifies the initial size of the map layer at a zoom level equal to 1, in pixels. Inherited from TdxCustomMapItemLayer.
ItemHint Specifies the default hint message for the map layer’s items. Inherited from TdxCustomMapItemLayer.
ItemStyle Provides access to the appearance settings that are applied to normal map items (those that are neither hot-tracked nor selected) whose Style property is unassigned. Inherited from TdxCustomMapItemLayer.
ItemStyleHot Provides access to the appearance settings that are applied to hot-tracked map items whose StyleHot property is unassigned. Inherited from TdxCustomMapItemLayer.
ItemStyleSelected Provides access to the appearance settings that are applied to selected map items whose StyleSelected property is unassigned. Inherited from TdxCustomMapItemLayer.
ItemTitleOptions Provides access to the title settings that are applied to the map layer’s items. Inherited from TdxCustomMapItemLayer.
MapItems Provides access to a collection of map items stored in the map layer. Inherited from TdxCustomMapItemLayer.
Name Inherited from TComponent.
Observers Inherited from TComponent.
Owner Inherited from TComponent.
Projection Inherited from TdxCustomMapItemLayer.
ProjectionClass Inherited from TdxCustomMapItemLayer.
ProjectionClassName Inherited from TdxCustomMapItemLayer.
Tag Inherited from TComponent.
VCLComObject Inherited from TComponent.
Visible Switches the visibility of the map layer. Inherited from TdxMapLayer.

Methods

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 specified point defined in geographical coordinates to 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 Indicates if the layer is rendered on a map. 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 the specified file streams.
LoadShapeFileFromStream(TStream,TStream) Loads Esri shapefile vector data (shapes and their attributes) from the 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.

Events

Name Description
OnGetItemHint Enables you to provide a hint message for a specified map item. Inherited from TdxCustomMapItemLayer.
See Also