winspool/EnumMonitors.ps1
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function EnumMonitors { <# .SYNOPSIS The EnumMonitors function retrieves information about the port monitors installed on the specified server. .PARAMETER Name A string that specifies the name of the server on which the monitors reside. If this parameter is NULL, the local monitors are enumerated. .NOTES Author: Jared Atkinson (@jaredcatkinson) License: BSD 3-Clause Required Dependencies: PSReflect, MONITOR_INFO_2 (Structure) Optional Dependencies: None (func winspool.drv EnumMonitors ([bool]) @( [string], #_In_ LPTSTR pName [UInt32], #_In_ DWORD Level [IntPtr], #_Out_ LPBYTE pMonitors [UInt32], #_In_ DWORD cbBuf [UInt32].MakeByRefType(), #_Out_ LPDWORD pcbNeeded [UInt32].MakeByRefType() #_Out_ LPDWORD pcReturned ) -EntryPoint EnumMonitors) .LINK .EXAMPLE EnumMonitors pName pEnvironment pDLLName ----- ------------ -------- WSD Port Windows x64 WSDMon.dll ThinPrint Print Port Monitor for VMWare Windows x64 TPVMMon.dll Standard TCP/IP Port Windows x64 tcpmon.dll Local Port Windows x64 localspl.dll IppMon Windows x64 IPPMon.dll Appmon Windows x64 AppMon.dll #> param ( [Parameter()] [string] $Name = $null ) $pcbNeeded = 0 $pcReturned = 0 $SUCCESS = $winspool::EnumMonitors($Name, 2, [IntPtr]::Zero, 0, [ref]$pcbNeeded, [ref]$pcReturned) if(!($SUCCESS)) { $cbBuf = $pcbNeeded $pMonitors = [System.Runtime.InteropServices.Marshal]::AllocHGlobal($cbBuf) $SUCCESS = $winspool::EnumMonitors($Name, 2, $pMonitors, $cbBuf, [ref]$pcbNeeded, [ref]$pcReturned) if($SUCCESS) { $currentPtr = $pMonitors for($i = 0; $i -lt $pcReturned; $i++) { $currentPtr -as $MONITOR_INFO_2 $currentPtr = [IntPtr]::Add($currentPtr, [IntPtr]::Size * 3) } } } } |