used :
WinApi.SetWindowLong(h, GWL_STYLE, WS_CHILD.."|"..WS_VISIBLE, false);
and you can used in global function :
-- WINAPI Constants For The WinApi Action Plugin
-- Instructions: Copy The Contents Of This File And Paste It Into Your Project's "Global Actions" Pane
-- !! DO NOT MODIFY ANY OF THE LINES BELOW
WS_OVERLAPPED = "0x00000000";
WS_POPUP = "0x80000000";
WS_CHILD = "0x40000000";
WS_MINIMIZE = "0x20000000";
WS_VISIBLE = "0x10000000";
WS_DISABLED = "0x08000000";
WS_CLIPSIBLINGS = "0x04000000";
WS_CLIPCHILDREN = "0x02000000";
WS_MAXIMIZE = "0x01000000";
WS_CAPTION = "0x00C00000";
WS_BORDER = "0x00800000";
WS_DLGFRAME = "0x00400000";
WS_VSCROLL = "0x00200000";
WS_HSCROLL = "0x00100000";
WS_SYSMENU = "0x00080000";
WS_THICKFRAME = "0x00040000";
WS_GROUP = "0x00020000";
WS_TABSTOP = "0x00010000";
WS_MINIMIZEBOX = "0x00020000";
WS_MAXIMIZEBOX = "0x00010000";
WS_TILED = "0x00000000";
WS_ICONIC = "0x20000000";
WS_SIZEBOX = "0x00040000";
WS_TILEDWINDOW = WS_OVERLAPPEDWINDOW;
WS_OVERLAPPEDWINDOW = "0x00000000|0x00C00000|0x00080000|0x00040000|0x00020000|0x00010000";
WS_POPUPWINDOW = "0x80000000|0x00800000|0x00080000";
WS_CHILDWINDOW = "0x40000000";
WS_EX_DLGMODALFRAME = "0x00000001";
WS_EX_NOPARENTNOTIFY = "0x00000004";
WS_EX_TOPMOST = "0x00000008";
WS_EX_ACCEPTFILES = "0x00000010";
WS_EX_TRANSPARENT = "0x00000020";
WS_EX_MDICHILD = "0x00000040";
WS_EX_TOOLWINDOW = "0x00000080";
WS_EX_WINDOWEDGE = "0x00000100";
WS_EX_CLIENTEDGE = "0x00000200";
WS_EX_CONTEXTHELP = "0x00000400";
WS_EX_RIGHT = "0x00001000";
WS_EX_LEFT = "0x00000000";
WS_EX_RTLREADING = "0x00002000";
WS_EX_LTRREADING = "0x00000000";
WS_EX_LEFTSCROLLBAR = "0x00004000";
WS_EX_RIGHTSCROLLBAR = "0x00000000";
WS_EX_CONTROLPARENT = "0x00010000";
WS_EX_STATICEDGE = "0x00020000";
WS_EX_APPWINDOW = "0x00040000";
WS_EX_OVERLAPPEDWINDOW = "0x00000100|0x00000200";
WS_EX_PALETTEWINDOW = "0x00000100|0x00000080|0x00000008";
WS_EX_LAYERED = "0x00080000";
WS_EX_NOINHERITLAYOUT = "0x00100000"; -- Disable inheritence of mirroring by children
WS_EX_LAYOUTRTL = "0x00400000"; -- Right to left mirroring
WS_EX_COMPOSITED = "0x02000000";
WS_EX_NOACTIVATE = "0x08000000";
GWL_WNDPROC = "-4";
GWL_HINSTANCE = "-6";
GWL_HWNDPARENT = "-8";
GWL_STYLE = "-16";
GWL_EXSTYLE = "-20";
GWL_USERDATA = "-21";
GWL_ID = "-12";
CWP_ALL = "0x0000";
CWP_SKIPINVISIBLE = "0x0001";
CWP_SKIPDISABLED = "0x0002";
CWP_SKIPTRANSPARENT = "0x0004";
SW_HIDE = 0;
SW_SHOWNORMAL = 1;
SW_NORMAL = 1;
SW_SHOWMINIMIZED = 2;
SW_SHOWMAXIMIZED = 3;
SW_MAXIMIZE = 3;
SW_SHOWNOACTIVATE = 4;
SW_SHOW = 5;
SW_MINIMIZE = 6;
SW_SHOWMINNOACTIVE = 7;
SW_SHOWNA = 8;
SW_RESTORE = 9;
SW_SHOWDEFAULT = 10;
GW_HWNDFIRST = 0;
GW_HWNDLAST = 1;
GW_HWNDNEXT = 2;
GW_HWNDPREV = 3;
GW_OWNER = 4;
GW_CHILD = 5;
BS_PUSHBUTTON = "0x00000000";
BS_DEFPUSHBUTTON = "0x00000001";
BS_CHECKBOX = "0x00000002";
BS_AUTOCHECKBOX = "0x00000003";
BS_RADIOBUTTON = "0x00000004";
BS_3STATE = "0x00000005";
BS_AUTO3STATE = "0x00000006";
BS_GROUPBOX = "0x00000007";
BS_USERBUTTON = "0x00000008";
BS_AUTORADIOBUTTON = "0x00000009";
BS_PUSHBOX = "0x0000000A";
BS_OWNERDRAW = "0x0000000B";
BS_TYPEMASK = "0x0000000F";
BS_LEFTTEXT = "0x00000020";
BS_TEXT = "0x00000000";
BS_ICON = "0x00000040";
BS_BITMAP = "0x00000080";
BS_LEFT = "0x00000100";
BS_RIGHT = "0x00000200";
BS_CENTER = "0x00000300";
BS_TOP = "0x00000400";
BS_BOTTOM = "0x00000800";
BS_VCENTER = "0x00000C00";
BS_PUSHLIKE = "0x00001000";
BS_MULTILINE = "0x00002000";
BS_NOTIFY = "0x00004000";
BS_FLAT = "0x00008000";
BS_RIGHTBUTTON = "0x00000020";
CBS_SIMPLE = "0x0001";
CBS_DROPDOWN = "0x0002";
CBS_DROPDOWNLIST = "0x0003";
CBS_OWNERDRAWFIXED = "0x0010";
CBS_OWNERDRAWVARIABLE = "0x0020";
CBS_AUTOHSCROLL = "0x0040";
CBS_OEMCONVERT = "0x0080";
CBS_SORT = "0x0100";
CBS_HASSTRINGS = "0x0200";
CBS_NOINTEGRALHEIGHT = "0x0400";
CBS_DISABLENOSCROLL = "0x0800";
CBS_UPPERCASE = "0x2000";
CBS_LOWERCASE = "0x4000";
ES_LEFT = "0x0000";
ES_CENTER = "0x0001";
ES_RIGHT = "0x0002";
ES_MULTILINE = "0x0004";
ES_UPPERCASE = "0x0008";
ES_LOWERCASE = "0x0010";
ES_PASSWORD = "0x0020";
ES_AUTOVSCROLL = "0x0040";
ES_AUTOHSCROLL = "0x0080";
ES_NOHIDESEL = "0x0100";
ES_OEMCONVERT = "0x0400";
ES_READONLY = "0x0800";
ES_WANTRETURN = "0x1000";
ES_NUMBER = "0x2000";
LBS_NOTIFY = "0x0001";
LBS_SORT = "0x0002";
LBS_NOREDRAW = "0x0004";
LBS_MULTIPLESEL = "0x0008";
LBS_OWNERDRAWFIXED = "0x0010";
LBS_OWNERDRAWVARIABLE = "0x0020";
LBS_HASSTRINGS = "0x0040";
LBS_USETABSTOPS = "0x0080";
LBS_NOINTEGRALHEIGHT = "0x0100";
LBS_MULTICOLUMN = "0x0200";
LBS_WANTKEYBOARDINPUT = "0x0400";
LBS_EXTENDEDSEL = "0x0800";
LBS_DISABLENOSCROLL = "0x1000";
LBS_NODATA = "0x2000";
LBS_NOSEL = "0x4000";
LBS_COMBOBOX = "0x8000";
LBS_STANDARD = "0x0001|0x0002|0x00200000|0x00800000";
SS_LEFT = "0x00000000";
SS_CENTER = "0x00000001";
SS_RIGHT = "0x00000002";
SS_ICON = "0x00000003";
SS_BLACKRECT = "0x00000004";
SS_GRAYRECT = "0x00000005";
SS_WHITERECT = "0x00000006";
SS_BLACKFRAME = "0x00000007";
SS_GRAYFRAME = "0x00000008";
SS_WHITEFRAME = "0x00000009";
SS_USERITEM = "0x0000000A";
SS_SIMPLE = "0x0000000B";
SS_LEFTNOWORDWRAP = "0x0000000C";
SS_OWNERDRAW = "0x0000000D";
SS_BITMAP = "0x0000000E";
SS_ENHMETAFILE = "0x0000000F";
SS_ETCHEDHORZ = "0x00000010";
SS_ETCHEDVERT = "0x00000011";
SS_ETCHEDFRAME = "0x00000012";
SS_TYPEMASK = "0x0000001F";
DS_ABSALIGN = "0x01";
DS_SYSMODAL = "0x02";
DS_LOCALEDIT = "0x20"; -- Edit items get local storage.
DS_SETFONT = "0x40"; -- User specified font for Dlg controls
DS_MODALFRAME = "0x80"; -- Can be combined with WS_CAPTION
DS_NOIDLEMSG = "0x100"; -- WM_ENTERIDLE message will not be sent
DS_SETFOREGROUND = "0x200"; -- not in win3.1
DS_3DLOOK = "0x0004";
DS_FIXEDSYS = "0x0008";
DS_NOFAILCREATE = "0x0010";
DS_CONTROL = "0x0400";
DS_CENTER = "0x0800";
DS_CENTERMOUSE = "0x1000";
DS_CONTEXTHELP = "0x2000";
DS_SHELLFONT = "0x40|0x0008";
AW_FADEIN = "0x00080000"; -- fade-in
AW_FADEOUT = "0x00090000"; -- fade-out
AW_SLIDEIN_LEFT = "0x00040001"; -- slide in from left
AW_SLIDEOUT_LEFT = "0x00050002"; -- slide out to left
AW_SLIDEIN_RIGHT = "0x00040002"; -- slide in from right
AW_SLIDEOUT_RIGHT = "0x00050001"; -- slide out to right
AW_SLIDEIN_TOP = "0x00040004"; -- slide-in from top
AW_SLIDEOUT_TOP = "0x00050008"; -- slide-out to top
AW_SLIDEIN_BOTTOM = "0x00040008"; -- slide-in from bottom
AW_SLIDEOUT_BOTTOM = "0x00050004"; -- slide-out to bottom
AW_SLIDEIN_TOPLEFT = "0x00040005"; -- diagonal slide-in from Top-left
AW_SLIDEOUT_TOPLEFT = "0x0005000a"; -- diagonal slide-out to Top-left
AW_SLIDEIN_TOPRIGHT = "0x00040006"; -- diagonal slide-in from Top-Right
AW_SLIDEOUT_TOPRIGHT = "0x00050009"; -- diagonal slide-out to Top-Right
AW_SLIDEIN_BOTTOMLEFT = "0x00040009"; -- diagonal slide-in from Bottom-left
AW_SLIDEOUT_BOTTOMLEFT = "0x00050006"; -- diagonal slide-out to Bottom-left
AW_SLIDEIN_BOTTOMRIGHT = "0x0004000a"; -- diagonal slide-in from Bottom-right
AW_SLIDEOUT_BOTTOMRIGHT = "0x00050005"; -- diagonal slide-out to Bottom-right
AW_EXPLODE = "0x00040010"; -- explode
AW_IMPLODE = "0x00050010"; -- implode
-- GDI Constants
PS_SOLID = "0";
PS_DASH = "1";
PS_DOT = "2";
PS_DASHDOT = "3";
PS_DASHDOTDOT = "4";
PS_NULL = "5";
PS_INSIDEFRAME = "6";
PS_USERSTYLE = "7";
PS_ALTERNATE = "8";
PS_STYLE_MASK = "0x0000000F";
PS_ENDCAP_ROUND = "0x00000000";
PS_ENDCAP_SQUARE = "0x00000100";
PS_ENDCAP_FLAT = "0x00000200";
PS_ENDCAP_MASK = "0x00000F00";
PS_JOIN_ROUND = "0x00000000";
PS_JOIN_BEVEL = "0x00001000";
PS_JOIN_MITER = "0x00002000";
PS_JOIN_MASK = "0x0000F000";
PS_COSMETIC = "0x00000000";
PS_GEOMETRIC = "0x00010000";
PS_TYPE_MASK = "0x000F0000";
TRANSPARENT = 1;
OPAQUE = 2;
NULLREGION = 1;
SIMPLEREGION = 2;
COMPLEXREGION = 3;
WHITE_BRUSH = 0;
LTGRAY_BRUSH = 1;
GRAY_BRUSH = 2;
DKGRAY_BRUSH = 3;
BLACK_BRUSH = 4;
NULL_BRUSH = 5;
HOLLOW_BRUSH = 5;
WHITE_PEN = 6;
BLACK_PEN = 7;
NULL_PEN = 8;
OEM_FIXED_FONT = 10;
ANSI_FIXED_FONT = 11;
ANSI_VAR_FONT = 12;
SYSTEM_FONT = 13;
DEVICE_DEFAULT_FONT = 14;
DEFAULT_PALETTE = 15;
SYSTEM_FIXED_FONT = 16;
DEFAULT_GUI_FONT = 17;
ANSI_CHARSET = 0;
BALTIC_CHARSET = 186;
CHINESEBIG5_CHARSET = 136;
DEFAULT_CHARSET = 1;
EASTEUROPE_CHARSET = 238;
GB2312_CHARSET = 134;
GREEK_CHARSET = 161;
HANGUL_CHARSET = 129;
MAC_CHARSET = 77;
OEM_CHARSET = 255;
RUSSIAN_CHARSET = 204;
SHIFTJIS_CHARSET = 128;
SYMBOL_CHARSET = 2;
TURKISH_CHARSET = 162
VIETNAMESE_CHARSET = 163;
JOHAB_CHARSET = 130;
ARABIC_CHARSET = 178;
HEBREW_CHARSET = 177;
THAI_CHARSET = 222;
FW_DONTCARE = 0;
FW_THIN = 100;
FW_EXTRALIGHT = 200;
FW_ULTRALIGHT = 200;
FW_LIGHT = 300;
FW_NORMAL = 400;
FW_REGULAR = 400;
FW_MEDIUM = 500;
FW_SEMIBOLD = 600;
FW_DEMIBOLD = 600;
FW_BOLD = 700;
FW_EXTRABOLD = 800;
FW_ULTRABOLD = 800;
FW_HEAVY = 900;
FW_BLACK = 900;
-- Locale Info Constants
LOCALE_SYSTEM_DEFAULT = "1"; -- Default system locale.
LOCALE_USER_DEFAULT = "2"; -- Default user locale.
LOCALE_ILANGUAGE = "0x00000001"; -- language id
LOCALE_SLANGUAGE = "0x00000002"; -- localized name of language
LOCALE_SENGLANGUAGE = "0x00001001"; -- English name of language
LOCALE_SABBREVLANGNAME = "0x00000003"; -- abbreviated language name
LOCALE_SNATIVELANGNAME = "0x00000004"; -- native name of language
LOCALE_ICOUNTRY = "0x00000005"; -- country code
LOCALE_SCOUNTRY = "0x00000006"; -- localized name of country
LOCALE_SENGCOUNTRY = "0x00001002"; -- English name of country
LOCALE_SABBREVCTRYNAME = "0x00000007"; -- abbreviated country name
LOCALE_SNATIVECTRYNAME = "0x00000008"; -- native name of country
LOCALE_IDEFAULTLANGUAGE = "0x00000009"; -- default language id
LOCALE_IDEFAULTCOUNTRY = "0x0000000A"; -- default country code
LOCALE_IDEFAULTCODEPAGE = "0x0000000B"; -- default oem code page
LOCALE_IDEFAULTANSICODEPAGE = "0x00001004"; -- default ansi code page
LOCALE_IDEFAULTMACCODEPAGE = "0x00001011"; -- default mac code page
LOCALE_SLIST = "0x0000000C"; -- list item separator
LOCALE_IMEASURE = "0x0000000D"; -- 0 = metric, 1 = US
LOCALE_SDECIMAL = "0x0000000E"; -- decimal separator
LOCALE_STHOUSAND = "0x0000000F"; -- thousand separator
LOCALE_SGROUPING = "0x00000010"; -- digit grouping
LOCALE_IDIGITS = "0x00000011"; -- number of fractional digits
LOCALE_ILZERO = "0x00000012"; -- leading zeros for decimal
LOCALE_INEGNUMBER = "0x00001010"; -- negative number mode
LOCALE_SNATIVEDIGITS = "0x00000013"; -- native ascii 0-9
LOCALE_SCURRENCY = "0x00000014"; -- local monetary symbol
LOCALE_SINTLSYMBOL = "0x00000015"; -- intl monetary symbol
LOCALE_SMONDECIMALSEP = "0x00000016"; -- monetary decimal separator
LOCALE_SMONTHOUSANDSEP = "0x00000017"; -- monetary thousand separator
LOCALE_SMONGROUPING = "0x00000018"; -- monetary grouping
LOCALE_ICURRDIGITS = "0x00000019"; -- # local monetary digits
LOCALE_IINTLCURRDIGITS = "0x0000001A"; -- # intl monetary digits
LOCALE_ICURRENCY = "0x0000001B"; -- positive currency mode
LOCALE_INEGCURR = "0x0000001C"; -- negative currency mode
LOCALE_SDATE = "0x0000001D"; -- date separator
LOCALE_STIME = "0x0000001E"; -- time separator
LOCALE_SSHORTDATE = "0x0000001F"; -- short date format string
LOCALE_SLONGDATE = "0x00000020"; -- long date format string
LOCALE_STIMEFORMAT = "0x00001003"; -- time format string
LOCALE_IDATE = "0x00000021"; -- short date format ordering
LOCALE_ILDATE = "0x00000022"; -- long date format ordering
LOCALE_ITIME = "0x00000023"; -- time format specifier
LOCALE_ITIMEMARKPOSN = "0x00001005"; -- time marker position
LOCALE_ICENTURY = "0x00000024"; -- century format specifier (short date)
LOCALE_ITLZERO = "0x00000025"; -- leading zeros in time field
LOCALE_IDAYLZERO = "0x00000026"; -- leading zeros in day field (short date)
LOCALE_IMONLZERO = "0x00000027"; -- leading zeros in month field (short date)
LOCALE_S1159 = "0x00000028"; -- AM designator
LOCALE_S2359 = "0x00000029"; -- PM designator
LOCALE_ICALENDARTYPE = "0x00001009"; -- type of calendar specifier
LOCALE_IOPTIONALCALENDAR = "0x0000100B"; -- additional calendar types specifier
LOCALE_IFIRSTDAYOFWEEK = "0x0000100C"; -- first day of week specifier
LOCALE_IFIRSTWEEKOFYEAR = "0x0000100D"; -- first week of year specifier
LOCALE_SDAYNAME1 = "0x0000002A"; -- long name for Monday
LOCALE_SDAYNAME2 = "0x0000002B"; -- long name for Tuesday
LOCALE_SDAYNAME3 = "0x0000002C"; -- long name for Wednesday
LOCALE_SDAYNAME4 = "0x0000002D"; -- long name for Thursday
LOCALE_SDAYNAME5 = "0x0000002E"; -- long name for Friday
LOCALE_SDAYNAME6 = "0x0000002F"; -- long name for Saturday
LOCALE_SDAYNAME7 = "0x00000030"; -- long name for Sunday
LOCALE_SABBREVDAYNAME1 = "0x00000031"; -- abbreviated name for Monday
LOCALE_SABBREVDAYNAME2 = "0x00000032"; -- abbreviated name for Tuesday
LOCALE_SABBREVDAYNAME3 = "0x00000033"; -- abbreviated name for Wednesday
LOCALE_SABBREVDAYNAME4 = "0x00000034"; -- abbreviated name for Thursday
LOCALE_SABBREVDAYNAME5 = "0x00000035"; -- abbreviated name for Friday
LOCALE_SABBREVDAYNAME6 = "0x00000036"; -- abbreviated name for Saturday
LOCALE_SABBREVDAYNAME7 = "0x00000037"; -- abbreviated name for Sunday
LOCALE_SMONTHNAME1 = "0x00000038"; -- long name for January
LOCALE_SMONTHNAME2 = "0x00000039"; -- long name for February
LOCALE_SMONTHNAME3 = "0x0000003A"; -- long name for March
LOCALE_SMONTHNAME4 = "0x0000003B"; -- long name for April
LOCALE_SMONTHNAME5 = "0x0000003C"; -- long name for May
LOCALE_SMONTHNAME6 = "0x0000003D"; -- long name for June
LOCALE_SMONTHNAME7 = "0x0000003E"; -- long name for July
LOCALE_SMONTHNAME8 = "0x0000003F"; -- long name for August
LOCALE_SMONTHNAME9 = "0x00000040"; -- long name for September
LOCALE_SMONTHNAME10 = "0x00000041"; -- long name for October
LOCALE_SMONTHNAME11 = "0x00000042"; -- long name for November
LOCALE_SMONTHNAME12 = "0x00000043"; -- long name for December
LOCALE_SMONTHNAME13 = "0x0000100E"; -- long name for 13th month (if exists)
LOCALE_SABBREVMONTHNAME1 = "0x00000044"; -- abbreviated name for January
LOCALE_SABBREVMONTHNAME2 = "0x00000045"; -- abbreviated name for February
LOCALE_SABBREVMONTHNAME3 = "0x00000046"; -- abbreviated name for March
LOCALE_SABBREVMONTHNAME4 = "0x00000047"; -- abbreviated name for April
LOCALE_SABBREVMONTHNAME5 = "0x00000048"; -- abbreviated name for May
LOCALE_SABBREVMONTHNAME6 = "0x00000049"; -- abbreviated name for June
LOCALE_SABBREVMONTHNAME7 = "0x0000004A"; -- abbreviated name for July
LOCALE_SABBREVMONTHNAME8 = "0x0000004B"; -- abbreviated name for August
LOCALE_SABBREVMONTHNAME9 = "0x0000004C"; -- abbreviated name for September
LOCALE_SABBREVMONTHNAME10 = "0x0000004D"; -- abbreviated name for October
LOCALE_SABBREVMONTHNAME11 = "0x0000004E"; -- abbreviated name for November
LOCALE_SABBREVMONTHNAME12 = "0x0000004F"; -- abbreviated name for December
LOCALE_SABBREVMONTHNAME13 = "0x0000100F"; -- abbreviated name for 13th month (if exists)
LOCALE_SPOSITIVESIGN = "0x00000050"; -- positive sign
LOCALE_SNEGATIVESIGN = "0x00000051"; -- negative sign
LOCALE_IPOSSIGNPOSN = "0x00000052"; -- positive sign position
LOCALE_INEGSIGNPOSN = "0x00000053"; -- negative sign position
LOCALE_IPOSSYMPRECEDES = "0x00000054"; -- mon sym precedes pos amt
LOCALE_IPOSSEPBYSPACE = "0x00000055"; -- mon sym sep by space from pos amt
LOCALE_INEGSYMPRECEDES = "0x00000056"; -- mon sym precedes neg amt
LOCALE_INEGSEPBYSPACE = "0x00000057"; -- mon sym sep by space from neg amt
LOCALE_FONTSIGNATURE = "0x00000058"; -- font signature
LOCALE_SISO639LANGNAME = "0x00000059"; -- ISO abbreviated language name
LOCALE_SISO3166CTRYNAME = "0x0000005A"; -- ISO abbreviated country name
LOCALE_IDEFAULTEBCDICCODEPAGE = "0x00001012"; -- default ebcdic code page
LOCALE_IPAPERSIZE = "0x0000100A"; -- 1 = letter, 5 = legal, 8 = a3, 9 = a4
LOCALE_SENGCURRNAME = "0x00001007"; -- english name of currency
LOCALE_SNATIVECURRNAME = "0x00001008"; -- native name of currency
LOCALE_SYEARMONTH = "0x00001006"; -- year month format string
LOCALE_SSORTNAME = "0x00001013"; -- sort name
LOCALE_IDIGITSUBSTITUTION = "0x00001014"; -- 0 = context, 1 = none, 2 = national
SND_SYNC = "0x0000";
SND_ASYNC = "0x0001";
