GenerateSymbolPreview Method

Creates a highlighted preview image for the symbol style item. This method must be called on the MCT. Use QueuedTask.Run.

Syntax

C#
Visual Basic (Declaration)

public static ImageSource GenerateSymbolPreview( 
   StyleItem styleItem,
   CIMColor highlightColor,
   int patchHeight,
   int patchWidth
)

Public Shared Function GenerateSymbolPreview( _
   ByVal styleItem As StyleItem, _
   ByVal highlightColor As CIMColor, _
   ByVal patchHeight As Integer, _
   ByVal patchWidth As Integer _
) As ImageSource

Parameters

styleItem: The symbol style item for which the preview image has to be created.
highlightColor: The highlight color to apply
patchHeight: The height of the preview image to be created.
patchWidth: The width of the preview image to be created.

Return Value

The highlighted preview image for the style item.

Exceptions

Exception	Description
ArcGIS.Core.CalledOnWrongThreadException	This method must be called within the lambda passed to QueuedTask.Run
System.ArgumentException	Unsupported style item type

Remarks

The provided highlight is applied to the patch in an identical fashion to how highlighting is applied on the map (for example: when a feature was selected).
Currently, only SymbolStyleItem is supported. Passing a style item other than SymbolStyleItem will throw a System.ArgumentException

Requirements

Target Platforms: Windows 10, Windows 8.1

Reference

StyleItem Class
StyleItem Members