Rename Layer States (.NET)

The RenameLayerState method renames a saved layer state from one name to another in a drawing. The following example renames the ColorLinetype layer settings to OldColorLinetype.

C# Example

using Autodesk.AutoCAD.Runtime;
using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.DatabaseServices;
 
[CommandMethod("RenameLayerState")]
public static void RenameLayerState()
{
    // Get the current document
    Document acDoc = Application.DocumentManager.MdiActiveDocument;
 
    LayerStateManager acLyrStMan;
    acLyrStMan = acDoc.Database.LayerStateManager;
 
    string sLyrStName = "ColorLinetype";
    string sLyrStNewName = "OldColorLinetype";
 
    if (acLyrStMan.HasLayerState(sLyrStName) == true &&
        acLyrStMan.HasLayerState(sLyrStNewName) == false)
    {
        acLyrStMan.RenameLayerState(sLyrStName, sLyrStNewName);
    }
}