Module: WindowsGUI::Util::ScopedStruct

Included in:
ACCEL, ACTCTX, COMBOBOXINFO, COMPAREITEMSTRUCT, CREATESTRUCT, DELETEITEMSTRUCT, DLGTEMPLATE, DRAWITEMSTRUCT, HARDWAREINPUT, INPUT, KEYBDINPUT, LOGBRUSH, LOGFONT, LOGPEN, MEASUREITEMSTRUCT, MENUITEMINFO, MINMAXINFO, MOUSEINPUT, MSG, NMHDR, NONCLIENTMETRICS, OSVERSIONINFOEX, PAINTSTRUCT, POINT, RECT, SCROLLBARINFO, SCROLLINFO, SIZE, STYLESTRUCT, WINDOWPOS, WNDCLASSEX
Defined in:
lib/windows_gui/common.rb

Instance Method Summary collapse

Instance Method Details

#new(*args) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/windows_gui/common.rb', line 40

def new(*args)
  raise ArgumentError, 'Cannot accept both arguments and a block' if
    args.length > 0 && block_given?

  struct = super

  return struct unless block_given?

  begin
    yield struct
  ensure
    struct.pointer.free

    p "Native memory for #{struct} freed" if $DEBUG
  end

  nil
end