// Demo.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "Demo.h"
#include "DemoDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CDemoApp

BEGIN_MESSAGE_MAP(CDemoApp, CWinApp)
	//{{AFX_MSG_MAP(CDemoApp)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG
	ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDemoApp construction

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

/////////////////////////////////////////////////////////////////////////////
// The one and only CDemoApp object

CDemoApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CDemoApp initialization

CString  g_szPropName = "MIAXIS OPTIC USB";    //自己定义一个属性名
HANDLE   g_hValue     = (HANDLE)1001;           //自己定义一个属性值
BOOL CALLBACK EnumWndProc(HWND hwnd,LPARAM lParam)
{
	HANDLE h = GetProp(hwnd,g_szPropName);
	if( h == g_hValue)
	{
		*(HWND*)lParam = hwnd;
		return false;
	}
	return true;
}

BOOL CDemoApp::InitInstance()
{
	//改变所有应用程序的背景颜色,第一个参数指定了背景颜色，第二个参数指定了文本颜色
//	SetDialogBkColor(RGB(107,171,211), RGB ( 0,0,255));

	HWND oldHWnd = NULL;
	EnumWindows(EnumWndProc,(LPARAM)&oldHWnd);   //枚举所有运行的窗口
	if(oldHWnd != NULL)
	{
		::ShowWindow(oldHWnd,SW_SHOWNORMAL);     //激活找到的前一个程序
		::SetForegroundWindow(oldHWnd);          //把它设为前景窗口
		return FALSE;                            //退出本次运行
	}

	AfxEnableControlContainer();

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif

	CDemoDlg dlg;
	m_pMainWnd = &dlg;
	int 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;
}
