Instant Autodesk AutoCAD 2014 Customization with .NET by Tom Nelson

Author:Tom Nelson [Nelson, Tom]
Language: eng
Format: azw3
Publisher: Packt Publishing
Published: 2013-09-25T04:00:00+00:00

If your appid exists in the table, retrieve the xdata from the selected object. Use a ResultBuffer to capture the xdata. Loop through the buffer, testing each item for its xdata type code. Display the xdata (adding some descriptive information) in AutoCAD's textscreen (press the F2 key to toggle the textscreen visibility):if (regTable.Has("TEST")) { //Replace "TEST" with your own appid //If the appid exists in the regapp table, attempt to read the //object's xdata from the table ResultBuffer resBuf = acEnt.GetXDataForApplication("TEST"); if (resBuf != null) { TypedValue[] resBufArray = resBuf.AsArray(); foreach (TypedValue val in resBufArray) { switch ((DxfCode)val.TypeCode) { //Appid type xdata case DxfCode.ExtendedDataRegAppName: string appid = (string)val.Value; ed.WriteMessage(System.Environment.NewLine + "1001 AppId: {0}", appid); break; //String type xdata case DxfCode.ExtendedDataAsciiString: string strng = (string)val.Value; ed.WriteMessage(System.Environment.NewLine + "1000 String: {0}", strng); break; //LayerName type xdata case DxfCode.ExtendedDataLayerName: string laynam = (string)val.Value; ed.WriteMessage(System.Environment.NewLine + "1003 Layer: {0}", laynam); break; //Handle type xdata case DxfCode.ExtendedDataHandle: ed.WriteMessage(System.Environment.NewLine + "1005 Handle: {0}", val.Value); break; //Control type xdata case DxfCode.ExtendedDataControlString: string brkt = (string)val.Value; ed.WriteMessage(System.Environment.NewLine + "1002 Control: {0}", brkt); break; //Integer type xdata case DxfCode.ExtendedDataInteger16: Int16 intgr = (short)val.Value; ed.WriteMessage(System.Environment.NewLine + "1070 Integer: {0}", intgr); break; default: ed.WriteMessage(System.Environment.NewLine + "Unknown type: {0}", val.Value); break; }//switch }//foreach } else { ed.WriteMessage(System.Environment.NewLine + "No xdata found for appid: TEST"); } trans.Commit(); } else { ed.WriteMessage(System.Environment.NewLine + "No xdata found for appid: TEST"); }

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