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I am developing an application with some custom graphics. I found this function here. it works perfectly but I was wondering; is there a way to round only the top or bottom two corners?

 

Func _GuiRoundCorners($h_win, $i_x1, $i_y1, $i_x3, $i_y3)
   Dim $pos, $ret, $ret2
   $pos = WinGetPos($h_win)
   $ret = DllCall("gdi32.dll", "long", "CreateRoundRectRgn", "long", $i_x1, "long", $i_y1, "long", $pos[2], "long", $pos[3], "long", $i_x3, "long", $i_y3)
   If $ret[0] Then
      $ret2 = DllCall("user32.dll", "long", "SetWindowRgn", "hwnd", $h_win, "long", $ret[0], "int", 1)
      If $ret2[0] Then
         Return 1
      Else
         Return 0
      EndIf
   Else
      Return 0
   EndIf
EndFunc  ;==>_GuiRoundCorners
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Example for _WinAPI_CreateRoundRectRgn() in helpfile might be useful.
You can create two regions. First one would have height equals total window height reduced by the radius of corners. Second one would be rounded rectangular region whose height equals twice the radius.
If something is unclear ask.

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Yes, I understand _WinAPI_CreateRoundRectRgn() does the same thing as :

DllCall("gdi32.dll", "long", "CreateRoundRectRgn", "long", $i_x1, "long", $i_y1, "long", $pos[2], "long", $pos[3], "long", $i_x3, "long", $i_y3)

But that doesnt answer my question, it adjusts the region as a rectangle meaning it will always adjust for 4 corners. Is there a system used for point to point corners or single corners?

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Amazing, got my desired outcome with:

 

Func _GuiRoundCorners($h_win, $i_x1, $i_y1, $i_x2, $i_y2, $i_x3, $i_y3)
    Local $XS_pos, $XS_reta, $XS_retb, $XS_ret2
    $XS_pos = WinGetPos($h_win)
    $XS_reta = _WinAPI_CreateRoundRectRgn ( 0, 0, $XS_pos[2], $XS_pos[3]-30, $i_x3, $i_y3 )
    $XS_retb = _WinAPI_CreateRectRgn (0, $XS_pos[2]-$XS_pos[1]/2, $XS_pos[2], $XS_pos[3] )
    $XS_retc = _WinAPI_CombineRgn ( $XS_reta, $XS_reta, $XS_retb, $RGN_OR  )
    _WinAPI_DeleteObject($XS_retb)
    _WinAPI_SetWindowRgn($h_win, $XS_reta)
EndFunc   ;==>_GuiRoundCorners

 

Thank you for your assistance!

Edited by CodeTinkerer
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