XTransform AngleUnit Property. The angle unit, degrees or radians. ABCpdf .NET PDF Library.

Specify the angle unit as used by the Rotate method.

The AngleUnitType enumeration may take the following values:

• Degrees
• Radians

[C#]
Doc doc = new Doc();
doc.FontSize=96;
doc.TextStyle.HPos=0.5;
doc.TextStyle.VPos=0.5;
doc.Transform.Rotate(90, doc.Rect.Width/2, doc.Rect.Height/2);
doc.TextStyle.Underline = true;
doc.AddText("Hello World rotated by 90 degrees");
doc.Page = doc.AddPage();
doc.Transform.AngleUnit = WebSupergoo.ABCpdf10.XTransform.AngleUnitType.Radians;
doc.Transform.Rotate(-1 * Math.PI/2, doc.Rect.Width / 2, doc.Rect.Height / 2);
doc.AddText("Hello World rotated back by PI/2 radians");
doc.Save(Server.MapPath("transformrotate.pdf"));

[Visual Basic]
Dim doc as New Doc()
doc.FontSize=96
doc.TextStyle.HPos=0.5
doc.TextStyle.VPos=0.5
doc.Transform.Rotate(90, doc.Rect.Width/2, doc.Rect.Height/2)
doc.TextStyle.Underline = True
doc.AddText("Hello World rotated by 90 degrees")
doc.Page = doc.AddPage()
doc.Transform.AngleUnit = WebSupergoo.ABCpdf10.XTransform.AngleUnitType.Radians
doc.Transform.Rotate(-1 * Math.PI/2, doc.Rect.Width / 2, doc.Rect.Height / 2)
doc.AddText("Hello World rotated back by PI/2 radians")
doc.Save(server.MapPath("transformrotate.pdf"))


transforrotate.pdf, page 1

transforrotate.pdf, page 2