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Improve Zooming with Enhanced Mouse Wheels

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19 Oct 2011CPOL6 min read 43.8K   4K   33  
How to give your users a better zooming experience with High Resolution Mouse Wheels.
// HiResScrollWheel.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "HiResScrollWheel.h"
#include "HiResScrollWheelDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CHiResScrollWheelApp

BEGIN_MESSAGE_MAP(CHiResScrollWheelApp, CWinApp)
	ON_COMMAND(ID_HELP, &CWinApp::OnHelp)
END_MESSAGE_MAP()


// CHiResScrollWheelApp construction

CHiResScrollWheelApp::CHiResScrollWheelApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}


// The one and only CHiResScrollWheelApp object

CHiResScrollWheelApp theApp;


// CHiResScrollWheelApp initialization

BOOL CHiResScrollWheelApp::InitInstance()
{
	// InitCommonControlsEx() is required on Windows XP if an application
	// manifest specifies use of ComCtl32.dll version 6 or later to enable
	// visual styles.  Otherwise, any window creation will fail.
	INITCOMMONCONTROLSEX InitCtrls;
	InitCtrls.dwSize = sizeof(InitCtrls);
	// Set this to include all the common control classes you want to use
	// in your application.
	InitCtrls.dwICC = ICC_WIN95_CLASSES;
	InitCommonControlsEx(&InitCtrls);

	CWinApp::InitInstance();

	AfxEnableControlContainer();

	SetRegistryKey(_T("HiResScrollWheel -- Code Project"));

	CHiResScrollWheelDlg dlg;
	m_pMainWnd = &dlg;
	INT_PTR nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
	}
	else if (nResponse == IDCANCEL)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}

	// Since the dialog has been closed, return FALSE so that we exit the
	//  application, rather than start the application's message pump.
	return FALSE;
}

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License

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


Written By
Software Developer (Senior) Logitech Corporation
United States United States
Stephen lives in Fremont, CA with his wife and daughter and has programmed in C and C++ for a very long time.

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