ArcGIS Pro 3.3 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / StyleItem Class / PreviewImage Property
Example

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    PreviewImage Property
    In This Topic
    Gets the preview image for the style item.
    Syntax
    public ImageSource PreviewImage {get;}
    Public ReadOnly Property PreviewImage As ImageSource
    Remarks
    The size of the preview image is determined by the PatchHeight and PatchWidth properties of the style item.
    Example
    Create a Swatch for a given symbol
    //Note: call within QueuedTask.Run()
    CIMSymbol symbol = SymbolFactory.Instance.ConstructPointSymbol(ColorFactory.Instance.GreenRGB, 1.0, SimpleMarkerStyle.Circle);
      //You can generate a swatch for a text symbols also.
      var si = new SymbolStyleItem()
      {
          Symbol = symbol,
          PatchHeight = 64,
          PatchWidth = 64
      };
      return si.PreviewImage;
    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3 or higher.
    See Also