ViewportTable.md

ViewportTable Class

Overview

The ViewportTable class is a symbol table that contains viewport configurations in an AutoCAD drawing.

Namespace

Autodesk.AutoCAD.DatabaseServices

Inheritance Hierarchy

System.Object
  └─ RXObject
      └─ DBObject
          └─ SymbolTable
              └─ ViewportTable

Key Methods

Method	Return Type	Description
Has(string)	bool	Checks if a viewport config exists by name
this[string]	ObjectId	Gets viewport ObjectId by name (indexer)

Code Examples

Example 1: Accessing Viewport Table

using (Transaction tr = db.TransactionManager.StartTransaction())
{
    ViewportTable vpt = tr.GetObject(db.ViewportTableId, OpenMode.ForRead) as ViewportTable;
    
    ed.WriteMessage("\nViewport configurations:");
    
    foreach (ObjectId vpId in vpt)
    {
        ViewportTableRecord vptr = tr.GetObject(vpId, OpenMode.ForRead) as ViewportTableRecord;
        
        ed.WriteMessage($"\n  {vptr.Name}");
    }
    
    tr.Commit();
}

Related Objects

• Database - Contains ViewportTableId
• ViewportTableRecord - Viewport configuration

References

• Autodesk Official Documentation