27-Using-NET-in-Powershell-Part-1.md

27. Using .NET in Powershell Part 1

• Loaded assemblies in Powershell session

PS C:\> [AppDomain]::CurrentDomain.GetAssemblies()

GAC    Version        Location
---    -------        --------
True   v2.0.50727     C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorlib.dll
True   v2.0.50727     C:\Windows\assembly\GAC_MSIL\Microsoft.PowerShell.ConsoleHost\1.0.0.0__31bf3856ad364e35\Micros...
True   v2.0.50727     C:\Windows\assembly\GAC_MSIL\System\2.0.0.0__b77a5c561934e089\System.dll
True   v2.0.50727     C:\Windows\assembly\GAC_MSIL\System.Management.Automation\1.0.0.0__31bf3856ad364e35\System.Man...
True   v2.0.50727     C:\Windows\assembly\GAC_MSIL\Microsoft.PowerShell.Commands.Diagnostics\1.0.0.0__31bf3856ad364e...
True   v2.0.50727     C:\Windows\assembly\GAC_MSIL\System.Core\3.5.0.0__b77a5c561934e089\System.Core.dll
True   v2.0.50727     C:\Windows\assembly\GAC_MSIL\System.Configuration.Install\2.0.0.0__b03f5f7f11d50a3a\System.Con...
True   v2.0.50727     C:\Windows\assembly\GAC_MSIL\Microsoft.WSMan.Management\1.0.0.0__31bf3856ad364e35\Microsoft.WS...
True   v2.0.50727     C:\Windows\assembly\GAC_32\System.Transactions\2.0.0.0__b77a5c561934e089\System.Transactions.dll
True   v2.0.50727     C:\Windows\assembly\GAC_MSIL\Microsoft.PowerShell.Commands.Utility\1.0.0.0__31bf3856ad364e35\M...
True   v2.0.50727     C:\Windows\assembly\GAC_MSIL\Microsoft.PowerShell.Commands.Management\1.0.0.0__31bf3856ad364e3...
True   v2.0.50727     C:\Windows\assembly\GAC_MSIL\Microsoft.PowerShell.Security\1.0.0.0__31bf3856ad364e35\Microsoft...
True   v2.0.50727     C:\Windows\assembly\GAC_MSIL\System.Xml\2.0.0.0__b77a5c561934e089\System.Xml.dll
True   v2.0.50727     C:\Windows\assembly\GAC_MSIL\System.Management\2.0.0.0__b03f5f7f11d50a3a\System.Management.dll
True   v2.0.50727     C:\Windows\assembly\GAC_MSIL\System.DirectoryServices\2.0.0.0__b03f5f7f11d50a3a\System.Directo...
True   v2.0.50727     C:\Windows\assembly\GAC_32\System.Data\2.0.0.0__b77a5c561934e089\System.Data.dll

PS C:\>

• Get the type of the Assembly

PS C:\> [AppDomain]::CurrentDomain.GetAssemblies() | ForEach-Object {$_.GetType()}

IsPublic IsSerial Name                                     BaseType
-------- -------- ----                                     --------
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object

PS C:\>

• Assemblies where IsPublic is True

PS C:\> [AppDomain]::CurrentDomain.GetAssemblies() | ForEach-Object {$_.GetType()} | Where-Object {$_.IsPublic -eq "True"}

IsPublic IsSerial Name                                     BaseType
-------- -------- ----                                     --------
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object
True     True     Assembly                                 System.Object

PS C:\>

• Use .Net class to print processes on the Machine

PS C:\> $Classes =  [AppDomain]::CurrentDomain.GetAssemblies() | ForEach-Object {$_.GetType()} | Where-Object {$_.IsPublic -eq "True"}

PS C:\> $Classes | Where-Object {$_.Name -eq "Process"}

PS C:\> $ProcClass = $Classes | Where-Object { $_.Name -eq "Process" }

List methods / properties of an object

PS C:\> $ProcClass | Get-Member

PS C:\> $ProcClass | Get-Member -MemberType Method

PS C:\> $ProcClass | Get-Member -MemberType Method -Static

PS C:\> $ProcClass::GetCurrentProcess()

PS C:\> $ProcClass.FullName
System.Diagnostics.Process
PS C:\>

PS C:\> [System.Diagnostics.Process]::GetCurrentProcess()

PS C:\> [System.Diagnostics.Process]::GetProcesses()

PS C:\> $ProcClass | Get-Member | Format-List *