ConvertMapFromItem Method (IMapFactory)

In This Topic

Convert the input map item to the specified output type. This method must be called on the MCT. Use QueuedTask.Run.

Syntax

C#
Visual Basic (Declaration)

Map ConvertMapFromItem( 
   MapProjectItem mapItem,
   MapConversionType convertTo,
   bool openView
)

Function ConvertMapFromItem( _
   ByVal mapItem As MapProjectItem, _
   ByVal convertTo As MapConversionType, _
   ByVal openView As Boolean _
) As Map

Parameters

mapItem: The map item to convert
convertTo: The type to convert the map item to
openView: true to open a map pane for the newly converted map item

Return Value

The converted Map

Exceptions

Exception	Description
ArcGIS.Core.CalledOnWrongThreadException	This method or property must be called within the lambda passed to QueuedTask.Run.
System.InvalidOperationException	Cannot convert {map} to {conversion type}
System.InvalidOperationException	Failed to convert the map viewing mode

Remarks

The following conversions are supported (the map referenced by the map item is tested): o Map -> Base map, Scene (Global), Scene (Local)
o BaseMap -> Map
o Scene (Global) -> Map
o Scene (Local) -> Map
Technically, there is no difference between the Scene (Global) or Scene (Local). It merely indicates the nature or their underlying coordinate system (i.e. "global" vs "local").
The intended conversion can be tested by calling the CanConvertMapFromItem method first.
Specifying openView=true will open a new view for the converted map (in the item). The method will return without waiting for the view to initialize and begin drawing. This is an optimization to prevent Pro being loaded down with viewer initialization if this method is called within a loop to create multiple maps. The correct way to detect viewer initialization is via the ArcGIS.Desktop.Mapping.Events.ActiveMapViewChangedEvent. The event will fire after the first draw of the new view has been initiated.

Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.

Reference

IMapFactory Interface
IMapFactory Members

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