# Function Reference

# _GUICtrlIpAddress_IsBlank

Determines if all fields in the IP address control are blank

#include <GuiIPAddress.au3>
_GUICtrlIpAddress_IsBlank ( $hWnd )

## Parameters

$hWnd | Handle to the control

## Return Value

True: | IP address is blank.
False: | IP address is not blank.

## Related

_GUICtrlIpAddress_ClearAddress

## Example

    #include "Extras\HelpFileInternals.au3"

    #include <GUIConstantsEx.au3>
    #include <GuiIPAddress.au3>

    Example()

    Func Example()
        Local $hGui, $hIPAddress

        $hGui = GUICreate("IP Address Control IsBlank Example", 400, 300)
        $hIPAddress = _GUICtrlIpAddress_Create($hGui, 2, 4)
        _MemoCreate(2, 28, 396, 270, 0)
        GUISetState(@SW_SHOW)

        ; See if IP Address is blank
        _MemoWrite("Blank: " & _GUICtrlIpAddress_IsBlank($hIPAddress))

        Sleep(1000)

        _GUICtrlIpAddress_Set($hIPAddress, "24.168.2.128")

        ; See if IP Address is blank
        _MemoWrite("Blank: " & _GUICtrlIpAddress_IsBlank($hIPAddress))

        ; Wait for user to close GUI
        Do
        Until GUIGetMsg() = $GUI_EVENT_CLOSE
    EndFunc   ;==>Example