Function Set-NetConnectionSharing
{
    Param
    (
        [Parameter(Mandatory=$true)]
        [string]
        $LocalConnection,

        [Parameter(Mandatory=$true)]
        [bool]
        $Enabled        
    )

    Begin
    {
        $netShare = $null

        try
        {
            # Create a NetSharingManager object
            $netShare = New-Object -ComObject HNetCfg.HNetShare
        }
        catch
        {
            # Register the HNetCfg library (once)
            regsvr32 /s hnetcfg.dll

            # Create a NetSharingManager object
            $netShare = New-Object -ComObject HNetCfg.HNetShare
        }
    }

    Process
    {
		#Clear Existing Share	       
		$oldConnections = $netShare.EnumEveryConnection |? { $netShare.INetSharingConfigurationForINetConnection.Invoke($_).SharingEnabled -eq $true}           
		foreach($oldShared in $oldConnections)
        {
            $oldConfig = $netShare.INetSharingConfigurationForINetConnection.Invoke($oldShared)
            $oldConfig.DisableSharing()                        
        }        
	
        # Find connections
        $InternetConnection = Get-NetRoute | ? DestinationPrefix -eq '0.0.0.0/0' | Get-NetIPInterface | Where ConnectionState -eq 'Connected'        
        $publicConnection = $netShare.EnumEveryConnection |? { $netShare.NetConnectionProps.Invoke($_).Name -eq $InternetConnection.InterfaceAlias }
        $privateConnection = $netShare.EnumEveryConnection |? { $netShare.NetConnectionProps.Invoke($_).Name -eq $LocalConnection }

        # Get sharing configuration
        $publicConfig = $netShare.INetSharingConfigurationForINetConnection.Invoke($publicConnection)
        $privateConfig = $netShare.INetSharingConfigurationForINetConnection.Invoke($privateConnection)

        if ($Enabled)
        { 			
            $publicConfig.EnableSharing(0)
            $privateConfig.EnableSharing(1)
        }
        else
        {
            $publicConfig.DisableSharing()
            $privateConfig.DisableSharing()
        }
    }
}