Is there a variable to pull the Zone settings for the current drawing?

[krondys]

Subject says it all, really-

Is there a variable I can pull to get the coordinate system zone assigned to the drawing?  For instance, if my drawing is in UTM coordinates, zone 13, is there a (retrievable) variable set to "UTM27-13"?  I can't seem to find it, if it is.

[norman.yuan]

Assuming you are using Acad Map 3D or Civil 3D, then yes, you can programmatically pull out that piece of information. In the code project you need to set reference to ManagedMapApi.dll, Then you can get the assigned coordinate system via ProjectModel.Projection property:

MapApplication app=HostMapApplicationServices.Application;

ProjectModel project=app.ActiveProject;

string cs=project.Projection;