/// <summary>
/// Enumerates all workspaces in ArcMap.
/// </summary>
/// <param name="esriApplication">The Esri application istance.</param>
/// <returns>Enumeration of workspaces.</returns>
public static IEnumerable <IWorkspace> EnumerateAllWorkspaces(IApplication esriApplication)
{
HashSet <IWorkspace> duplicateFinder = new HashSet <IWorkspace>();
foreach (IDataset dataset in ArcmapUtils.EnumerateAllDatasets(esriApplication))
{
IWorkspace workspace = dataset.Workspace;
if ((workspace != null) && !duplicateFinder.Contains(workspace))
{
duplicateFinder.Add(workspace);
yield return(workspace);
}
}
}
