Minor fixes for better usability

WMIv1.ps1

@@ -1,9 +1,13 @@
 class wmi {
     # Inner CimInstance
-    [CimInstance] $ciminstance
+    hidden [CimInstance] $ciminstance
+
+    # Path.Path should return underlying Cim Instance for compatibility.
+    hidden $Path
 
     wmi([CimInstance]$instance) {
         $this.ciminstance = $instance
+        $this.Path = @{"Path" = $this.ciminstance}
         $this.Init()
     }
 
@@ -26,11 +30,6 @@ class wmi {
             return "\\$($this.ciminstance.cimsystemproperties.servername)\$($this.ciminstance.cimsystemproperties.namespace.replace("/","\")):$($this.ciminstance.cimsystemproperties.classname).$([string]::Join(",",$keystrings))"
         },{}))
 
-        # Path.Path should return underlying Cim Instance for compatibility.
-        $this.psobject.members.Add((new-object management.automation.PSScriptProperty "Path",{
-            @{"Path"=$this.ciminstance}
-        },{}))
-
         # Create the default Cim Instance property wrappers.
         foreach ($p in $this.ciminstance.CimInstanceProperties){
             $this.psobject.members.Add((new-object management.automation.PSScriptProperty `
@@ -92,6 +91,7 @@ class wmi {
     # Refresh the object based on the current cim instance.
     Get() {
         $this.ciminstance = $this.ciminstance | Get-CimInstance
+        $this.Path = @{"Path" = [string]$this.ciminstance}
     }
 
     [string] GetText($type) {

WMIv1.psm1

@@ -24,7 +24,7 @@ function Get-WmiObject {
         [Parameter()]
         [ValidateNotNullOrEmpty()]
         [string]
-        $Namespace
+        $Namespace = "\\.\root\cimv2"
     )
 
     if ($Filter.Length -and $Property.Count){

test.ps1

@@ -1 +1 @@
-docker run --rm -it --isolation process -v "$(Split-Path -Parent $PSCommandPath):c:\project" -w c:\project mcr.microsoft.com/powershell:latest
+start docker "run --rm -it --isolation process -v `"$(Split-Path -Parent $PSCommandPath):c:\project`" -w c:\project mcr.microsoft.com/powershell:latest"