I am using below Code Snippet.
Code: Select all
if (e.Button == MouseButtons.Right)
{
ImageCollection objImageCollection = new ImageCollection();
AnnotationDataController objAnnotationDataController = new AnnotationDataController(annotationViewer1.Images);
objImageCollection.Add("AnnotationDot_Green.png");
PointF objPointF = new PointF(e.X, e.Y);
AnnotationDataCollection objAnnotationDataCollection = objAnnotationDataController[objImageCollection.Count - 1];
RectangleAnnotationData objRectangleAnnotationData = new RectangleAnnotationData();
objRectangleAnnotationData.Size = new SizeF(30, 30);
objRectangleAnnotationData.FillBrush = new AnnotationSolidBrush(Color.AliceBlue);
objRectangleAnnotationData.Location = annotationViewer1.PointFromControlToDip(objPointF);
objAnnotationDataCollection.Add(objRectangleAnnotationData);
}