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ResizableLib

, 15 Jun 2004 CPOL
A set of classes to ease the development of resizable windows with MFC
ResizableDialog
Demo.dsp
Demo.dsw
Release_Static
Demo.exe
Demo.exe.manifest
res
bitmap1.bmp
Demo.ico
toolbar1.bmp
ResizableFormViewMDI
Demo.dsp
Demo.dsw
Release_Static
Demo.exe
Demo.exe.manifest
res
Demo.ico
DemoDoc.ico
DemoDoc0.ico
DemoDoc1.ico
DemoDoc2.ico
ResizableFormViewSDI
Demo.dsp
Demo.dsw
Release_Static
Demo.exe
Demo.exe.manifest
res
Demo.ico
DemoDoc.ico
Toolbar.bmp
ResizableLib
.cvsignore
Docs
CVS
Entries
Repository
Root
Release_Static
ResizableLib.lib
ResizableLib.dsp
ResizableLib.dsw
.cvsignore
ResizableLib.dsp
ResizableLib.dsw
ChangeLog
ResizableLib.dsp
ResizableLib.dsw
ResizableMsgSupport.inl
Doxyfile-include
Doxyfile
ResizableLib.dsp
ResizableLib.dsw
ResizableLib.dsp
ResizableLib.dsw
.cvsignore
ResizableProperties
Demo.dsp
Demo.dsw
Release_Static
Demo.exe
Demo.exe.manifest
res
Demo.ico
ResizableWizard97
Release_Static
Wizard97.exe
Wizard97.exe.manifest
res
Baner16.bmp
Baner256.bmp
Water16.bmp
Water256.bmp
Wizard97.ico
Wizard97.dsp
Wizard97.dsw
// ResizableVersion.cpp: implementation of the CResizableVersion class.
//
/////////////////////////////////////////////////////////////////////////////
//
// This file is part of ResizableLib
// http://sourceforge.net/projects/resizablelib
//
// Copyright (C) 2000-2004 by Paolo Messina
// http://www.geocities.com/ppescher - mailto:ppescher@hotmail.com
//
// The contents of this file are subject to the Artistic License (the "License").
// You may not use this file except in compliance with the License. 
// You may obtain a copy of the License at:
// http://www.opensource.org/licenses/artistic-license.html
//
// If you find this code useful, credits would be nice!
//
/////////////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "ResizableVersion.h"

//////////////////////////////////////////////////////////////////////
// Static initializer object (with macros to hide in ClassView)

// static intializer must be called before user code
#pragma warning(disable:4073)
#pragma init_seg(lib)

#ifdef _UNDEFINED_
#define BEGIN_HIDDEN {
#define END_HIDDEN }
#else
#define BEGIN_HIDDEN
#define END_HIDDEN
#endif

BEGIN_HIDDEN
struct _VersionInitializer
{
	_VersionInitializer()
	{
		InitRealVersions();
	};
};
END_HIDDEN

// The one and only version-check object
static _VersionInitializer g_version;

//////////////////////////////////////////////////////////////////////
// Private implementation

// DLL Version support
#include <shlwapi.h>

static DLLVERSIONINFO g_dviCommCtrls;
static OSVERSIONINFOEX g_osviWindows;

static void CheckOsVersion()
{
	// Try calling GetVersionEx using the OSVERSIONINFOEX structure.
	ZeroMemory(&g_osviWindows, sizeof(OSVERSIONINFOEX));
	g_osviWindows.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
	if (GetVersionEx((LPOSVERSIONINFO)&g_osviWindows))
		return;
	
	// If that fails, try using the OSVERSIONINFO structure.
	g_osviWindows.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
	if (GetVersionEx((LPOSVERSIONINFO)&g_osviWindows))
		return;

	// When all the above fails, set values for the worst case
	g_osviWindows.dwMajorVersion = 4;
	g_osviWindows.dwMinorVersion = 0;
	g_osviWindows.dwBuildNumber = 0;
	g_osviWindows.dwPlatformId = VER_PLATFORM_WIN32_WINDOWS;
	g_osviWindows.szCSDVersion[0] = TEXT('\0');
}

static void CheckCommCtrlsVersion()
{
	// Check Common Controls version
	ZeroMemory(&g_dviCommCtrls, sizeof(DLLVERSIONINFO));
	HMODULE hMod = ::LoadLibrary(_T("comctl32.dll"));
	if (hMod != NULL)
	{
		// Get the version function
		DLLGETVERSIONPROC pfnDllGetVersion;
		pfnDllGetVersion = (DLLGETVERSIONPROC)GetProcAddress(hMod, "DllGetVersion");

		if (pfnDllGetVersion != NULL)
		{
			// Obtain version information
			g_dviCommCtrls.cbSize = sizeof(DLLVERSIONINFO);
			if (SUCCEEDED(pfnDllGetVersion(&g_dviCommCtrls)))
			{
				::FreeLibrary(hMod);
				return;
			}
		}

		::FreeLibrary(hMod);
	}

	// Set values for the worst case
	g_dviCommCtrls.dwMajorVersion = 4;
	g_dviCommCtrls.dwMinorVersion = 0;
	g_dviCommCtrls.dwBuildNumber = 0;
	g_dviCommCtrls.dwPlatformID = DLLVER_PLATFORM_WINDOWS;
}


//////////////////////////////////////////////////////////////////////
// Exported global symbols

DWORD realWINVER = 0;

#ifdef _WIN32_WINDOWS
DWORD real_WIN32_WINDOWS = 0;
#endif

#ifdef _WIN32_WINNT
DWORD real_WIN32_WINNT = 0;
#endif

#ifdef _WIN32_IE
DWORD real_WIN32_IE = 0;
#endif

// macro to convert version numbers to hex format
#define CNV_OS_VER(x) ((BYTE)(((BYTE)(x) / 10 * 16) | ((BYTE)(x) % 10)))

void InitRealVersions()
{
	CheckCommCtrlsVersion();
	CheckOsVersion();

	// set real version values

	realWINVER = MAKEWORD(CNV_OS_VER(g_osviWindows.dwMinorVersion),
		CNV_OS_VER(g_osviWindows.dwMajorVersion));

#ifdef _WIN32_WINDOWS
	if (g_osviWindows.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)
		real_WIN32_WINDOWS = realWINVER;
	else
		real_WIN32_WINDOWS = 0;
#endif

#ifdef _WIN32_WINNT
	if (g_osviWindows.dwPlatformId == VER_PLATFORM_WIN32_NT)
		real_WIN32_WINNT = realWINVER;
	else
		real_WIN32_WINNT = 0;
#endif

#ifdef _WIN32_IE
	switch (g_dviCommCtrls.dwMajorVersion)
	{
	case 4:
		switch (g_dviCommCtrls.dwMinorVersion)
		{
		case 70:
			real_WIN32_IE = 0x0300;
			break;
		case 71:
			real_WIN32_IE = 0x0400;
			break;
		case 72:
			real_WIN32_IE = 0x0401;
			break;
		default:
			real_WIN32_IE = 0x0200;
		}
		break;
	case 5:
		if (g_dviCommCtrls.dwMinorVersion > 80)
			real_WIN32_IE = 0x0501;
		else
			real_WIN32_IE = 0x0500;
		break;
	case 6:
		real_WIN32_IE = 0x0600;	// includes checks for 0x0560 (IE6)
		break;
	default:
		real_WIN32_IE = 0;
	}
#endif
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Paolo Messina
Technical Lead RoboTech srl
Italy Italy
Paolo began programming at the age of 9 with a glorious Olivetti M24 (i8086) and GW-BASIC, then he played a bit with Turbo C, Turbo Pascal and Assembly (using the MS-DOS Debug). Quick BASIC and Visual Basic shortly followed, until he learned C++ in College. He tought himself MFC and Windows programming, along with some DHTML and Javascript.

Always attracted by low-level programming and Assembly, he started to appreciate the joys of templates and STL while working for his Master Thesis. For seven months he was playing with airplanes and automatic control at the Unversity of Illinois at Urbana-Champaign, where he first met QNX and embedded systems.

In his job experience he learned Java to develop user interfaces and graphical editors, and re-discovered the Eclipse IDE that he had used in its early versions with the QNX SDK. He also deepened his knowledge of Linux and embedded systems, microcontrollers firmware and embedded voice recognition, while also practicing electronics design.

He graduated in Computer Engineering (Ingegneria informatica) at the University of Pisa, Italy, in December 2003. Currently working for an edutainment robotics company (www.robotechsrl.com).

He lives in Peccioli (Pisa) and Follonica (GR), Italy.

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