Microsoft® Windows PowerShell™ Step By Step

Choosing Specific Instances

In many situations, you will want to limit the data you return to a specific instance of that class in the dataset. If you go back to your query and add a Where clause to Select statement, you'll be able to greatly reduce the amount of information returned by the query. Notice that in the value associated with the wmiQuery, you added a dependency that indicated you wanted only information with share name C$. This value is not case sensitive, but it must be surrounded with single quotation marks, as you can see in the wmiQuery string in the following script. These single quotation marks are important because they tell WMI that the value is a string value and not some other programmatic item. Because the addition of the ...