UnoPDFAppearance
TallComponents.UnoPdf.Client
TallComponents.UnoPdf.Client.Models.Pdf.Shapes.ImageShapeModel
ImageShapeModel.KeepAspectRatio Property
If KeepAspectRatio is set to true, the height is calculated from the
width so that the width/height ratio is equal to the columns/rows ratio
of the raster of the original image. If set to false, the specified
width and height are used and the image will in general appear distorted.
csharp
public bool KeepAspectRatio { get; set; }