This opens a full screen borderless window. You can play with the style flags to get what you need...Probably ;o)
;---------------------------------------------------------------------------------
; User32.decls
;==============
;
;.lib "user32.dll"
;
;FindWindow%( class$,Text$ ):"FindWindowA"
;GetWindowLong%(hwnd%, nIndex%) : "GetWindowLongA"
;GetSystemMetrics%(nIndex%) : "GetSystemMetrics"
;MoveWindow%(hwnd%, x%, y%, nWidth%, nHeight%, bRepaint%) : "MoveWindow"
;SetWindowLong%(hwnd%, nIndex%, dwNewLong%) : "SetWindowLongA"
;ShowWindow%(hwnd%, nCmdShow%) : "ShowWindow"
;
;---------------------------------------------------------------------------------
Const title$ = "blitzapp"
Const SM_CXSCREEN = 0
Const SM_CYSCREEN = 1
Const SM_CXVSCROLL = 2
Const SM_CYHSCROLL = 3
Const SM_CYCAPTION = 4
Const SM_CXBORDER = 5
Const SM_CYBORDER = 6
Const SM_CXDLGFRAME = 7
Const SM_CYDLGFRAME = 8
Const SM_CYVTHUMB = 9
Const SM_CXHTHUMB = 10
Const SM_CXICON = 11
Const SM_CYICON = 12
Const SM_CXCURSOR = 13
Const SM_CYCURSOR = 14
Const SM_CYMENU = 15
Const SM_CXFULLSCREEN = 16
Const SM_CYFULLSCREEN = 17
Const SM_CYKANJIWINDOW = 18
Const SM_MOUSEPRESENT = 19
Const SM_CYVSCROLL = 20
Const SM_CXHSCROLL = 21
Const SM_DEBUG = 22
Const SM_SWAPBUTTON = 23
Const SM_RESERVED1 = 24
Const SM_RESERVED2 = 25
Const SM_RESERVED3 = 26
Const SM_RESERVED4 = 27
Const SM_CXMIN = 28
Const SM_CYMIN = 29
Const SM_CXSIZE = 30
Const SM_CYSIZE = 31
Const SM_CXFRAME = 32
Const SM_CYFRAME = 33
Const SM_CXMINTRACK = 34
Const SM_CYMINTRACK = 35
Const SM_CXDOUBLECLK = 36
Const SM_CYDOUBLECLK = 37
Const SM_CXICONSPACING = 38
Const SM_CYICONSPACING = 39
Const SM_MENUDROPALIGNMENT=40
Const SM_PENWINDOWS = 41
Const SM_DBCSENABLED = 42
Const SM_CMOUSEBUTTONS = 43
Const SM_CMETRICS = 44
Const SM_CXSIZEFRAME = SM_CXFRAME
Const SM_CYSIZEFRAME = SM_CYFRAME
Const SM_CXFIXEDFRAME = SM_CXDLGFRAME
Const SM_CYFIXEDFRAME = SM_CYDLGFRAME
Const GWL_STYLE = -16
Const GWL_EXSTYLE = -20
Const WS_OVERLAPPED = $0
Const WS_POPUP = $80000000
Const WS_CHILD = $40000000
Const WS_MINIMIZE = $20000000
Const WS_VISIBLE = $10000000
Const WS_DISABLED = $8000000
Const WS_CLIPSIBLINGS = $4000000
Const WS_CLIPCHILDREN = $2000000
Const WS_MAXIMIZE = $1000000
Const WS_CAPTION = $C00000
Const WS_BORDER = $800000
Const WS_DLGFRAME = $400000
Const WS_VSCROLL = $200000
Const WS_HSCROLL = $100000
Const WS_SYSMENU = $80000
Const WS_THICKFRAME = $40000
Const WS_GROUP = $20000
Const WS_TABSTOP = $10000
Const WS_MINIMIZEBOX = $20000
Const WS_MAXIMIZEBOX = $10000
Const WS_TILED = WS_OVERLAPPED
Const WS_ICONIC = WS_MINIMIZE
Const WS_SIZEBOX = WS_THICKFRAME
Const WS_OVERLAPPEDWINDOW = (WS_OVERLAPPED Or WS_CAPTION Or WS_SYSMENU Or WS_THICKFRAME Or WS_MINIMIZEBOX Or WS_MAXIMIZEBOX)
Const WS_TILEDWINDOW = WS_OVERLAPPEDWINDOW
Const WS_POPUPWINDOW = (WS_POPUP Or WS_BORDER Or WS_SYSMENU)
Const WS_CHILDWINDOW = WS_CHILD
Const WS_EX_DLGMODALFRAME = $1
Const WS_EX_NOPARENTNOTIFY = $4
Const WS_EX_TOPMOST = $8
Const WS_EX_ACCEPTFILES = $10
Const WS_EX_TRANSPARENT = $20
Const SW_HIDE = 0
Const SW_SHOWNORMAL = 1
Const SW_NORMAL = 1
Const SW_SHOWMINIMIZED = 2
Const SW_SHOWMAXIMIZED = 3
Const SW_MAXIMIZE = 3
Const SW_SHOWNOACTIVATE = 4
Const SW_SHOW = 5
Const SW_MINIMIZE = 6
Const SW_SHOWMINNOACTIVE= 7
Const SW_SHOWNA = 8
Const SW_RESTORE = 9
Const SW_SHOWDEFAULT = 10
Const SW_MAX = 10
Const SWP_NOSIZE = $1
Const SWP_NOMOVE = $2
Const SWP_NOZORDER = $4
Const SWP_NOREDRAW = $8
Const SWP_NOACTIVATE = $10
Const SWP_FRAMECHANGED = $20
Const SWP_SHOWWINDOW = $40
Const SWP_HIDEWINDOW = $80
Const SWP_NOCOPYBITS = $100
Const SWP_NOOWNERZORDER = $200
Const SWP_DRAWFRAME = SWP_FRAMECHANGED
Const SWP_NOREPOSITION = SWP_NOOWNERZORDER
window_w = GetSystemMetrics(SM_CXSCREEN); 640
window_h = GetSystemMetrics(SM_CYSCREEN); 480
Graphics3D window_w, window_h, 0, 2
AppTitle title$
blitz_hnd = FindWindow("Blitz Runtime Class", title$) ; Find this window
SetWindowLong(blitz_hnd, GWL_STYLE, WS_VISIBLE) ; Set the windows style flags
MoveWindow(blitz_hnd, (GetSystemMetrics(SM_CXSCREEN) - window_w) Shr 1, (GetSystemMetrics(SM_CYSCREEN) - window_h) Shr 1, window_w, window_h, 1)
; --------------------------------------------------- test code ---------------------------------------------
Rect 0, 0, window_w, window_h, 0
Flip
WaitKey()
EndYAN
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