我不知道D2K有沒有辦法處理延伸螢幕，但是我們的協力廠技術上不行是確定的XD
所以就有了這段
∼考慮文字檔做中介資料交換
另外利用WPF寫一支程式來將資料呈現在延伸螢幕上作為客顯
基本上這隻程式的運作就是
兩個表單
主表單開在主畫面，並檢查系統環境(監控的文字檔存不存在，顯卡是否有多個輸出，是否連接兩個以上螢幕)
由主表單開啟控制副表單。若有連接第二顆螢幕則自動將副表單開在延伸畫面中
利用FileWatcher監控文字檔，文字內容有異動利用委派的方式更新在副表單畫面中∼
--mainWindow
using System;
using System.IO;
using System.Text;
using System.Windows;
using System.Threading;
using System.Windows.Forms;
using System.Windows.Media.Imaging;
using MsgBox = System.Windows.MessageBox;
namespace CustomerDisplay
{
///
/// MainWindow.xaml
/// 主視窗
///
public partial class MainWindow : Window
{
private string fullpath = string.Empty;
private void Window_Loaded(object sender, RoutedEventArgs e)
{
//WindowState = WindowState.Maximized;
}
public MainWindow()
{
InitializeComponent();
fullpath = App.dirPath + App.fileName;
updateStatus(string.Format("檢查檔案:{0}", fullpath));
updateStatus(string.Format("Result:{0}", CheckFileExist()));
CheckDisplayDevice();
this.Focus();
}
#region 檔案檢查
private string CheckFileExist()
{
if (File.Exists(fullpath)) return "OK!";
MessageBoxResult r = MsgBox.Show(@"預設目錄中找不到指定檔案
Yes：建立它
No：重新指定檔案位置 ", "檢查檔案", MessageBoxButton.YesNo);
if (r.Equals(MessageBoxResult.OK))
{
File.Create(fullpath);
return string.Format("{0} is created", fullpath);
}
else if (r.Equals(MessageBoxResult.No))
{
return SetFilePath();
}
else return string.Empty;
}
private string SetFilePath()
{
string rtn = "Nothing";
OpenFileDialog ofDialog = new OpenFileDialog();
ofDialog.InitialDirectory = "c:\\";
ofDialog.Filter = "*.txt|";
ofDialog.Multiselect = false;
ofDialog.FilterIndex = 2;
ofDialog.RestoreDirectory = true;
if (ofDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
fullpath = ofDialog.FileName;
App.dirPath = fullpath.Replace(ofDialog.SafeFileName, string.Empty);
App.fileName = ofDialog.SafeFileName;
rtn = string.Format("重新指定檔案:{0}{1}", App.dirPath, App.fileName);
}
return rtn;
}
#endregion
#region 按鈕事件
private void btnStart_Click(object sender, RoutedEventArgs e)
{
btnClose.IsEnabled = true;
btnFileDialog.IsEnabled = false;
btnStart.IsEnabled = false;
image1.Source = GetImageSource("CustomerDisplay", "Images", "group.png");
//客顯示窗
CustomerWindow cusWindow = new CustomerWindow();
Screen customerScreen = Screen.AllScreens[Screen.AllScreens.Length - 1]; //指定顯示於最後一個螢幕
cusWindow.Top = customerScreen.WorkingArea.Top;
cusWindow.Left = customerScreen.WorkingArea.Left;
cusWindow.Show();
cusWindow.Owner = this;
}
private void btnClose_Click(object sender, RoutedEventArgs e)
{
image1.Source = GetImageSource("CustomerDisplay", "Images", "guard.png");
btnClose.IsEnabled = false;
btnFileDialog.IsEnabled = true;
btnStart.IsEnabled = true;
this.OwnedWindows[0].Close();
}
private void btnFileDialog_Click(object sender, RoutedEventArgs e)
{
updateStatus(SetFilePath());
}
private void btnExit_Click(object sender, RoutedEventArgs e)
{
if (MsgBox.Show("確定要關閉客顯程式？", "ADL", MessageBoxButton.OKCancel).Equals(MessageBoxResult.OK)) App.Current.Shutdown();
}
#endregion
#region 自訂
///
/// 檢查顯示裝置狀態
///
private void CheckDisplayDevice()
{
int displayPort = DisplayAPI.DisplayDeviceList().Count;
int displayMonitor = Screen.AllScreens.Length;
updateStatus(string.Format("顯示裝置數：{0}", displayPort));
if (displayPort <= 1) { updateStatus("不支援多螢幕輸出"); return; }
updateStatus(string.Format("顯示器數：{0}", displayMonitor));
if (displayMonitor <= 1) { updateStatus("延伸螢幕尚未連接？"); return; }
//有延伸桌面則開啟
//if () //檢測目前模式、非延伸則切換
//updateStatus("裝置偵測正常，變更設定為延伸桌面模式");
//DisplayAPI.ChangeDisplayMode(DisplayAPI.DisplayMode.ExtendedDisplay);
}
///
/// 更新顯示訊息(新上舊下)
///
/// updateStatus(string.Format("{0}"));
private void updateStatus(string msg)
{
lblStatus.Content = string.Format("{0}》{1}\r\n{2}", System.DateTime.Now.ToString("hh:mm:sss"), msg, lblStatus.Content);
}
///
/// 取得圖片
///
///
///
///
///
private BitmapImage GetImageSource(string appName, string imageFolder, string imageName)
{
var uriSource = new Uri(string.Format(@"/{0};component/{1}/{2}", appName, imageFolder, imageName), UriKind.Relative);
return new BitmapImage(uriSource);
}
#endregion
}
}
--CusWindow
using System.IO;
using System.Text;
using System.Threading;
using System.Windows;
namespace CustomerDisplay
{
///
/// CustomerWindow.xaml
/// 客顯示窗
///
public partial class CustomerWindow : Window
{
private FileSystemWatcher fsWatcher = new FileSystemWatcher();
private delegate void ThreadsSynchronization(string value);
public CustomerWindow()
{
InitializeComponent();
StartFileWatch();
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
//WindowState = WindowState.Maximized;
}
private void Window_Unloaded(object sender, System.Windows.RoutedEventArgs e)
{
lblShow.Content = string.Empty;
fsWatcher.EnableRaisingEvents = false;
}
#region FileWatcher & Theard
private void StartFileWatch()
{
fsWatcher.Path = App.dirPath;
fsWatcher.Filter = App.fileName;
fsWatcher.Changed += new FileSystemEventHandler(OnChanged);
fsWatcher.EnableRaisingEvents = true;
}
private void OnChanged(object source, FileSystemEventArgs e)
{
var thread = new Thread(new ThreadStart(displayThread));
thread.Start();
}
private void displayThread()
{
Dispatcher.BeginInvoke(new ThreadsSynchronization(CustomerDisplayShow), new object[] { App.dirPath + App.fileName });
}
private void CustomerDisplayShow(string value)
{
using (StreamReader sr = new StreamReader(value, Encoding.UTF8))
{
lblShow.Content = sr.ReadToEnd();
}
}
#endregion
}
}
--
能夠填平大海的誓言，也比不上邁出一步的價值
是以吾輩此生，再無任何誓言
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