ArcEngine临时数据存储 创建内存工作空间

public static IWorkspace CreateInMemoryWorkspace()
{
  // Create an in-memory workspace factory.
  Type factoryType = Type.GetTypeFromProgID(
    "esriDataSourcesGDB.InMemoryWorkspaceFactory");
  IWorkspaceFactory workspaceFactory = (IWorkspaceFactory)
    Activator.CreateInstance(factoryType);

  // Create an in-memory workspace.
  IWorkspaceName workspaceName = workspaceFactory.Create("", "MyWorkspace",
    null, 0);

  // Cast for IName and open a reference to the in-memory workspace through the name object.
  IName name = (IName)workspaceName;
  IWorkspace workspace = (IWorkspace)name.Open();
  return workspace;
}