getpath from drive

 $driveLetter = Read-Host "Enter Drive Letter:"
    Write-Host " "
    $DynAssembly = New-Object System.Reflection.AssemblyName('SysUtils')
    $AssemblyBuilder = [AppDomain]::CurrentDomain.DefineDynamicAssembly($DynAssembly, [Reflection.Emit.AssemblyBuilderAccess]::Run)
    $ModuleBuilder = $AssemblyBuilder.DefineDynamicModule('SysUtils', $False)

    # Define [Kernel32]::QueryDosDevice method
    $TypeBuilder = $ModuleBuilder.DefineType('Kernel32', 'Public, Class')
    $PInvokeMethod = $TypeBuilder.DefinePInvokeMethod('QueryDosDevice', 'kernel32.dll', ([Reflection.MethodAttributes]::Public -bor [Reflection.MethodAttributes]::Static), [Reflection.CallingConventions]::Standard, [UInt32], [Type[]]@([String], [Text.StringBuilder], [UInt32]), [Runtime.InteropServices.CallingConvention]::Winapi, [Runtime.InteropServices.CharSet]::Auto)
    $DllImportConstructor = [Runtime.InteropServices.DllImportAttribute].GetConstructor(@([String]))
    $SetLastError = [Runtime.InteropServices.DllImportAttribute].GetField('SetLastError')
    $SetLastErrorCustomAttribute = New-Object Reflection.Emit.CustomAttributeBuilder($DllImportConstructor, @('kernel32.dll'), [Reflection.FieldInfo[]]@($SetLastError), @($true))
    $PInvokeMethod.SetCustomAttribute($SetLastErrorCustomAttribute)
    $Kernel32 = $TypeBuilder.CreateType()

    $Max = 65536
    $StringBuilder = New-Object System.Text.StringBuilder($Max)
    $ReturnLength = $Kernel32::QueryDosDevice($driveLetter, $StringBuilder, $Max)

     if ($ReturnLength)
     {
         Write-Host "Device Path: "$StringBuilder.ToString()
      }
      else
      {
          Write-Host "Device Path: not found"
      }
    Write-Host " "