The HandleCount property specifies the total number of handles currently open by this process. This number is the sum of ...

The HandleCount property specifies the total number of handles currently open by this process. This number is the sum of the handles currently open by each thread in this process. A handle is used to examine or modify the system resources. Each handle has an entry in an internally maintained table. These entries contain the addresses of the resources and the means to identify the resource type.