midiplayer.cpp

来自「一个用evc开发的在windows mobile和wince上运行mid播放器」· C++ 代码 · 共 102 行

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

#include "stdafx.h"
#include "MidiPlayer.h"
#include "MidiPlayerDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMidiPlayerApp

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

/////////////////////////////////////////////////////////////////////////////
// CMidiPlayerApp construction

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

/////////////////////////////////////////////////////////////////////////////
// The one and only CMidiPlayerApp object

CMidiPlayerApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CMidiPlayerApp initialization

BOOL CMidiPlayerApp::InitInstance()
{
	// 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.

	HANDLE hMutex;
	hMutex = CreateMutex(NULL, FALSE, L"Mutex_MidiPlayer");
	if(hMutex == NULL)
	{
		return FALSE;
	}
	if(GetLastError() == ERROR_ALREADY_EXISTS)
	{
		ReleaseMutex(hMutex);
		// MidiPlayer is already running
		// Bring it to front
		CWnd *hWnd;
		if(hWnd = CWnd::FindWindow(NULL, IDS_TITLE))
		{
		//	hWnd->SetForegroundWindow();
//			CString szFileName;
//			szFileName = CString(this->m_lpCmdLine);
//			szFileName.TrimLeft('"');
//			szFileName.TrimRight('"');
		//	AfxMessageBox((LPCTSTR)szFileName);
		//	::SendMessage(hWnd->m_hWnd, WM_PLAY_NEW_MIDI, 0, (LPARAM)(LPCTSTR)szFileName);
			::PostMessage(hWnd->m_hWnd, WM_CLOSE, 0, 0);
		//	return FALSE;
		}
		else
		{
		//	AfxMessageBox(L"MidiPlayer window not found");
		}
	}

	CMidiPlayerDlg dlg;
	dlg.szFileName = CString(this->m_lpCmdLine);
	dlg.szFileName.TrimLeft('"');
	dlg.szFileName.TrimRight('"');
	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
	}

	ReleaseMutex(hMutex);

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