#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#include <String.au3>

$Form1 = GUICreate("File To Hex", 450, 50, -1, -1,-1, $WS_EX_ACCEPTFILES)
$Input1 = GUICtrlCreateInput("Drag & Drop File Here", 10, 10, 330, 30,1)
GUICtrlSetState(-1, $GUI_DROPACCEPTED)

$Button1 = GUICtrlCreateButton("Open File", 350, 10, 90, 30)

GUISetState(@SW_SHOW)

While 1
    $nMsg = GUIGetMsg()
    Switch $nMsg

        Case $GUI_EVENT_CLOSE
                Exit

		Case $GUI_EVENT_DROPPED

$read = FileRead(@GUI_DragFile)
$Hex = _StringToHex($read)
$open = FileOpen(@GUI_DragFile & ".txt", 2)
FileWrite($open, $Hex)

                GuiCtrlSetData($Input1, @GUI_DragFile & ".txt")

		Case $Button1
                $aFile = FileOpenDialog("", @DesktopDir & "\", "")

If @error Then
	Sleep(0)
Else
$read = FileRead($aFile)
$Hex = _StringToHex($read)
$open = FileOpen($aFile & ".txt", 2)
FileWrite($open, $Hex)
EndIf

    EndSwitch
WEnd