// CaptureDlg.cpp : 实现文件
//

#include "stdafx.h"
#include "MFCCam.h"
#include "CaptureDlg.h"
#include "afxdialogex.h"


// CCaptureDlg 对话框

IMPLEMENT_DYNAMIC(CCaptureDlg, CDialogEx)

CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/)
	: CDialogEx(IDD_DIALOG1, pParent)
{
}

CCaptureDlg::~CCaptureDlg()
{
}

void CCaptureDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialogEx::DoDataExchange(pDX);
	DDX_Control(pDX, IDC_COMBO1, m_ListCtrl);
	DDX_Control(pDX, IDC_Video, m_staticScreen);
}


BEGIN_MESSAGE_MAP(CCaptureDlg, CDialogEx)
	ON_CBN_SELCHANGE(IDC_COMBO1, &CCaptureDlg::OnCbnSelchangeCombo1)
	ON_BN_CLICKED(IDOK, &CCaptureDlg::OnBnClickedOk)
END_MESSAGE_MAP()


// CCaptureDlg 消息处理程序


BOOL CCaptureDlg::OnInitDialog()
{
	CDialogEx::OnInitDialog();
	m_cap.EnumDevices(m_ListCtrl);
	m_ListCtrl.SetCurSel(0);
	// TODO:  在此添加额外的初始化
	StartVideo();
	return TRUE;  // return TRUE unless you set the focus to a control
				  // 异常: OCX 属性页应返回 FALSE
}



// 开始显示视频
void CCaptureDlg::StartVideo()
{
	UpdateData();
	m_cap.form_HWND = GetSafeHwnd();
	HWND hWnd = m_staticScreen.GetSafeHwnd();
	HRESULT hr = m_cap.Init(m_ListCtrl.GetCurSel(), hWnd);
}


void CCaptureDlg::OnCbnSelchangeCombo1()
{
	// TODO: 在此添加控件通知处理程序代码
	m_cap.StopVideo();
	StartVideo();
}


void CCaptureDlg::OnBnClickedOk()
{
	// TODO: 在此添加控件通知处理程序代码
	m_cap.GrabOneFrame(true);
}