AddRotatedText.cs

private void addRotatedTextToolStripMenuItem_Click(object sender, EventArgs e)
{
  PDFXEdit.IPXC_Document doc = pxcInst.NewDocument();

  PDFXEdit.PXC_Rect rcMedia;
  rcMedia.left = 0;
  rcMedia.bottom = 0;
  rcMedia.top = 800;
  rcMedia.right = 600;
  PDFXEdit.IPXC_UndoRedoData urData;
  PDFXEdit.IPXC_Page page = doc.Pages.InsertPage(0, ref rcMedia, out urData);

  PDFXEdit.PXC_Rect rcText;
  rcText.left = 100;
  rcText.bottom = 600;
  rcText.top = 700;
  rcText.right = 300;

  PDFXEdit.IPXC_ContentCreator CC = doc.CreateContentCreator();
  PDFXEdit.PXC_Rect rcBlock;
  CC.TranslateCS(100, 0); //Shifting 100 by X axis
  CC.RotateCS(3.0); //3 degrees rotation
  CC.ShowTextBlock("Test Text Block Text", rcText, rcText, 0, -1, null, null, null, out rcBlock);  //draw text block
  page.PlaceContent(CC.Detach(), (UInt32)PDFXEdit.PXC_PlaceContentFlags.PlaceContent_After);

  pdfCtl.OpenDocFrom(doc);
}