PS C:Powershell> $pocketknife=New-Object object
PS C:Powershell> $pocketknife
System.Object

PS C:Powershell> Add-Member -InputObject $pocketknife -Name Color -Value "Red"
-MemberType NoteProperty
PS C:Powershell> $pocketknife

Color
-----
Red

PS C:Powershell> Add-Member -InputObject $pocketknife -Name Weight -Value "55"
-MemberType NoteProperty
PS C:Powershell> $pocketknife | Add-Member NoteProperty Blades 3
PS C:Powershell> $pocketknife | Add-Member NoteProperty Manufacturer ABC
PS C:Powershell> $pocketknife

Color Weight Blades Manufacturer
----- ------ ------ ------------
Red   55          3 ABC

# 增加一個新方法:
Add-Member -memberType ScriptMethod -In $pocketknife `
-name cut -Value { "I'm whittling now" }
# 指定參數類型增加一個新方法:
Add-Member -in $pocketknife ScriptMethod screw { "Phew...it's in!" }
#直接通過管道增加一個新方法:
$pocketknife | Add-Member ScriptMethod corkscrew { "Pop! Cheers!" }

PS C:Powershell> $pocketknife.cut()
I'm whittling now
PS C:Powershell> $pocketknife.screw()
Phew...it's in!
PS C:Powershell> $pocketknife.corkscrew()
Pop! Cheers!

PS C:Powershell> $pocketknife.corkscrew

Script                      :  "Pop! Cheers!"
OverloadDefinitions : {System.Object corkscrew();}
MemberType           : ScriptMethod
TypeNameOfValue  : System.Object
Value                      : System.Object corkscrew();
Name                     : corkscrew
IsInstance               : True