ImageDataBiLevel Property

public bool BiLevel { get; set; }

Public Property BiLevel As Boolean
	Get
	Set

public:
property bool BiLevel {
	bool get ();
	void set (bool value);
}

member BiLevel : bool with get, set

// Open a document that contains images
Document imgSourceDoc = new Document(MyDir + "Images.docx");

Shape sourceShape = (Shape)imgSourceDoc.GetChildNodes(NodeType.Shape, true)[0];

Document dstDoc = new Document();

// Import a shape from the source document and append it to the first paragraph, effectively cloning it
Shape importedShape = (Shape)dstDoc.ImportNode(sourceShape, true);
dstDoc.FirstSection.Body.FirstParagraph.AppendChild(importedShape);

// Get the ImageData of the imported shape
ImageData imageData = importedShape.ImageData;
imageData.Title = "Imported Image";

// If an image appears to have no borders, its ImageData object will still have them, but in an unspecified color
Assert.AreEqual(4, imageData.Borders.Count);
Assert.AreEqual(Color.Empty, imageData.Borders[0].Color);

Assert.True(imageData.HasImage);

// This image is not linked to a shape or to an image in the file system
Assert.False(imageData.IsLink);
Assert.False(imageData.IsLinkOnly);

// Brightness and contrast are defined on a 0-1 scale, with 0.5 being the default value
imageData.Brightness = 0.8d;
imageData.Contrast = 1.0d;

// Our image will have a lot of white now that we've changed the brightness and contrast like that
// We can treat white as transparent with the following attribute
imageData.ChromaKey = Color.White;

// Import the source shape again, set it to black and white
importedShape = (Shape)dstDoc.ImportNode(sourceShape, true);
dstDoc.FirstSection.Body.FirstParagraph.AppendChild(importedShape);

importedShape.ImageData.GrayScale = true;

// Import the source shape again to create a third image, and set it to BiLevel
// Unlike greyscale, which preserves the brightness of the original colors,
// BiLevel sets every pixel to either black or white, whichever is closer to the original color
importedShape = (Shape)dstDoc.ImportNode(sourceShape, true);
dstDoc.FirstSection.Body.FirstParagraph.AppendChild(importedShape);

importedShape.ImageData.BiLevel = true;

// Cropping is determined on a 0-1 scale
// Cropping a side by 0.3 will crop 30% of the image out at that side
importedShape.ImageData.CropBottom = 0.3d;
importedShape.ImageData.CropLeft = 0.3d;
importedShape.ImageData.CropTop = 0.3d;
importedShape.ImageData.CropRight = 0.3d;

dstDoc.Save(ArtifactsDir + "Drawing.ImageData.docx");