Set Text Generation Flag

The text generation flag specifies if text is displayed backwards or upside-down. Use the FlagBits property to define if a text style controls the display of text to be displayed backwards or upside-down, or use the IsMirroredInX and IsMirroredInY properties of a text object to control individually control a text object.

Set FlagBits to 2 if you want text to be displayed backwards and 4 if it should be displayed upside-down. Use a value of 6 to display text both backwards and upside-down. If you are modifying a text object, set IsMirroredInX to TRUE if you want the text to appear backwards and set IsMirroredInY to TRUE if you want it to be displayed upside-down.

Display text backwards

The following example creates a single-line text object, then sets it to be displayed backwards using the IsMirroredInX property.

VB.NET

Imports Autodesk.AutoCAD.Runtime

Imports Autodesk.AutoCAD.ApplicationServices

Imports Autodesk.AutoCAD.DatabaseServices

Imports Autodesk.AutoCAD.Geometry

<CommandMethod("BackwardsText")> _

Public Sub BackwardsText()

  '' Get the current document and database

  Dim acDoc As Document = Application.DocumentManager.MdiActiveDocument

  Dim acCurDb As Database = acDoc.Database

  '' Start a transaction

  Using acTrans As Transaction = acCurDb.TransactionManager.StartTransaction()

      '' Open the Block table for read

      Dim acBlkTbl As BlockTable

      acBlkTbl = acTrans.GetObject(acCurDb.BlockTableId, _

                                   OpenMode.ForRead)

      '' Open the Block table record Model space for write

      Dim acBlkTblRec As BlockTableRecord

      acBlkTblRec = acTrans.GetObject(acBlkTbl(BlockTableRecord.ModelSpace), _

                                      OpenMode.ForWrite)

      '' Create a single-line text object

      Dim acText As DBText = New DBText()

      acText.Position = New Point3d(3, 3, 0)

      acText.Height = 0.5

      acText.TextString = "Hello, World."

      '' Display the text backwards

      acText.IsMirroredInX = True

      acBlkTblRec.AppendEntity(acText)

      acTrans.AddNewlyCreatedDBObject(acText, True)

      '' Save the changes and dispose of the transaction

      acTrans.Commit()

  End Using

End Sub

using Autodesk.AutoCAD.Runtime;

using Autodesk.AutoCAD.ApplicationServices;

using Autodesk.AutoCAD.DatabaseServices;

using Autodesk.AutoCAD.Geometry;

[CommandMethod("BackwardsText")]

public static void BackwardsText()

  // Get the current document and database

  Document acDoc = Application.DocumentManager.MdiActiveDocument;

  Database acCurDb = acDoc.Database;

  // Start a transaction

  using (Transaction acTrans = acCurDb.TransactionManager.StartTransaction())

      // Open the Block table for read

      BlockTable acBlkTbl;

      acBlkTbl = acTrans.GetObject(acCurDb.BlockTableId,

                                   OpenMode.ForRead) as BlockTable;

      // Open the Block table record Model space for write

      BlockTableRecord acBlkTblRec;

      acBlkTblRec = acTrans.GetObject(acBlkTbl[BlockTableRecord.ModelSpace],

                                      OpenMode.ForWrite) as BlockTableRecord;

      // Create a single-line text object

      DBText acText = new DBText();

      acText.Position = new Point3d(3, 3, 0);

      acText.Height = 0.5;

      acText.TextString = "Hello, World.";

      // Display the text backwards

      acText.IsMirroredInX = true;

      acBlkTblRec.AppendEntity(acText);

      acTrans.AddNewlyCreatedDBObject(acText, true);

      // Save the changes and dispose of the transaction

      acTrans.Commit();

VBA/ActiveX Code Reference