Gui Shapes

[picea892]

Const $RGN_AND = 1
Const $RGN_OR = 2
Const $RGN_XOR = 3
Const $RGN_DIFF = 4
Const $RGN_COPY = 5

$nada=GUICreate("",500,500,0,0)
_GuiHole($nada,50,50,50,50)
GUISetState()
while 1
    sleep(1000)
WEnd

Func _GuiHole($h_win, $i_x, $i_y, $i_sizew, $i_sizeh)
    Dim $pos, $outer_rgn, $inner_rgn, $wh, $combined_rgn
    $pos = WinGetPos($h_win)
   
    $outer_rgn = DllCall("gdi32.dll", "long", "CreateRectRgn", "long", 0, "long", 0, "long", $pos[2], "long", $pos[3])
    $inner_rgn = DllCall("gdi32.dll", "long", "CreateRectRgn", "long", $i_x, "long", $i_y, "long", $i_x + $i_sizew, "long", $i_y + $i_sizeh)
    $combined_rgn = DllCall("gdi32.dll", "long", "CreateRectRgn", "long", 0, "long", 0, "long", 0, "long", 0)
    DllCall("gdi32.dll", "long", "CombineRgn", "long", $combined_rgn[0], "long", $outer_rgn[0], "long", $inner_rgn[0], "int", $RGN_DIFF)
    DllCall("user32.dll", "long", "SetWindowRgn", "hwnd", $h_win, "long", $combined_rgn[0], "int", 1)
EndFunc