Class DwgPreview

The thumbnail image embedded in the AcDb:Preview section. AutoCAD 2013+ emits PNG previews (code 6), older files BMP (code 2) or WMF (code 3).

public sealed class DwgPreview

Properties

True when DwgIO.Model.DwgPreview.ImageBytes is not empty.

public bool HasImage { get; }

Image bytes (BMP/PNG/WMF as stored) — empty when no image is present.

public required byte[] ImageBytes { get; init; }

Format of DwgIO.Model.DwgPreview.ImageBytes.

public required DwgPreviewImageKind ImageKind { get; init; }

Overall size reported by the preview header.

public required uint OverallSize { get; init; }