The reason is through something called parameter binding. First, to get parameter binding to work from the pipeline, you must make a function "advanced." This is a concept that makes simple functions ...

Using parameters which are already common in the core PowerShell cmdlets such as Computername should always be used in place of parameters such as Computer, CN, Server. Also like function names, you ...

In Part 1 of this series, I showed you an example of PowerShell's native validation capabilities. In that installment, I wrote a function that accepted a text string as input.