enumwnd.cpp


//-------------------------------------------------------------------
// OWL Extensions (OWLEXT) Class Library
// Copyright(c) 1996 by Manic Software.
// All rights reserved.
//
// This file implements the TEnumWindows class.  It is encapsulates the
// EnumTaskWindows (16-bit) or EnumThreadWindows (32-bit) APIs.  It can
// also handle EnumChildWindows to visit every window for a task/thread.
//
// Original code by Don Griffin; used with permission.
//-------------------------------------------------------------------
#include <owlext\pch.h>
#pragma hdrstop
 
#include <owlext/enumwnd.h>
 
 
using namespace owl;
 
namespace OwlExt {
 
 
TEnumWindows::TEnumWindows ()
{
  mDoingChildWindows = false;
}
 
 
void TEnumWindows::EnumWindows (TEnumMethod em)
{
  LPARAM  lParam = reinterpret_cast<LPARAM> (this);
 
  mDoingChildWindows = (em == emTopLevelWindows);
 
  EnumThreadWindows (GetCurrentThreadId(), WndEnumProc, lParam);
}
 
 
bool TEnumWindows::WndEnumMethod (HWND hWnd)
{
  if (!OnEnumWindow (hWnd))
    return false;
 
  if (! mDoingChildWindows){
    mDoingChildWindows = true;
    ::EnumChildWindows (hWnd, WndEnumProc, reinterpret_cast<LPARAM>(this));
    mDoingChildWindows = false;
  }
 
  return true;
}
 
BOOL CALLBACK
TEnumWindows::WndEnumProc (HWND hWnd, LPARAM lParam)
{
  TEnumWindows  * object = reinterpret_cast <TEnumWindows *> (lParam);
  return object->WndEnumMethod (hWnd);
}
 
 
} // OwlExt namespace
↑ V519 The 'mDoingChildWindows' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 45, 47.