CMS3762\carminatini
420 lines
13 KiB
C#
420 lines
13 KiB
C#
using CefSharp;
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using CefSharp.WinForms;
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using Client.Config;
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using Client.Utils;
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using CMS_Client.Browser_Tools;
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using Microsoft.WindowsAPICodePack.Taskbar;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Configuration;
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using System.Data;
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using System.Diagnostics;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Drawing.Imaging;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Net.NetworkInformation;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace CMS_Client.View
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{
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public partial class MainForm : Form
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{
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//Struct of PageError
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private struct PageError
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{
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public Boolean Error;
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public String ErrorInfo;
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}
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Random rnd = new Random();
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//Internal Variables
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private ChromiumWebBrowser CefBrowser;
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private CefSettings CefBrowserSettings;
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private PageError LoadingError;
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private NcForm NcFrm;
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private static IntPtr MainHandle;
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private static IntPtr NcHandle;
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private int X = 0, Y = 0;
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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#region WINDOW_START_&_BEHAVIOUR_METHOD
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//Instance Method
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public MainForm()
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{
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//Start Chromium Settings
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InitializeCefSettings();
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//Initialize the Windows
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InitializeComponent();
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//Start Client Setting
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InitializeClientSettings();
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//Initialize the Browser-Components
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InitializeBrowser();
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//Set the client property
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this.Text = AssemblyInfo.AssemblyProduct + " " + AssemblyInfo.AssemblyVersion;
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this.Opacity = 0.0;
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//Initialize the Nc-Form
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InitializeNcForm();
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//Setup Wait Cursor
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Cursor.Current = Cursors.WaitCursor;
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//Load the page
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CefBrowser.Load(Config.ConnectionConfig.Url);
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}
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//On windows-Load Method
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private void MainForm_Load(object sender, EventArgs e)
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{
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this.DesktopLocation = new Point(X,Y);
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}
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//On Resize Form
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private void MainForm_Resize(object sender, EventArgs e)
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{
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if (Config.VendorHmiConfig.Enabled)
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{
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if (this.WindowState == FormWindowState.Minimized)
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{
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NcFrm.Hide();
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NcWindow.HideNcWindow();
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NcWindow.ShowTaskBar();
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}
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else
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{
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NcWindow.ShowNcWindow();
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NcFrm.Show();
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}
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}
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}
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//Before closing the Window -> Remove the Browser (Increase the speed of closing window)
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private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
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{
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//Invoke method if is needed or call the method in STD mode
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if(!this.IsDisposed)
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{
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try
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{
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if (this.InvokeRequired)
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this.Invoke((MethodInvoker)delegate () {
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if (!CefBrowser.IsDisposed)
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this.Controls.Remove(CefBrowser);
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});
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else
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{
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if (!CefBrowser.IsDisposed)
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this.Controls.Remove(CefBrowser);
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}
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}
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catch (Exception ex)
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{
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}
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//Close the NC HMI && Stop Following Nc
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if (Config.VendorHmiConfig.Enabled)
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{
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NcWindow.ShowTaskBar();
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NcWindow.StopNcFollowing();
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NcWindow.CloseNcWindow();
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}
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}
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}
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#endregion
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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#region SETUP_METHODS
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//Initialize CMS-Client Settings
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private void InitializeClientSettings()
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{
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//Set the Transparency Key
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TransparencyKey = Config.ClientConfig.TranspColor;
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//Calculate Window Position
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CalcWindowPosition();
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}
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//Initialize CMS-Client Settings
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private void InitializeNcForm()
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{
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//Create the Nc-Form
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if (Config.VendorHmiConfig.Enabled)
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{
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NcFrm = new NcForm(TransparencyKey,X,Y);
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NcHandle = NcFrm.Handle;
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NcFrm.Show();
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}
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//Steup the Step variables
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MainHandle = this.Handle;
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}
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//Start Chromium Settings
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private void InitializeCefSettings()
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{
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//Create the Instance
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CefBrowserSettings = new CefSettings();
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//Setup the Browser Cache
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CefBrowserSettings.CachePath = Constants.BROWSER_CACHE_FOLDER;
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//Setup CEF
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if (Config.ClientConfig.RenderingMethod == Constants.Rendering.CPU)
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CefBrowserSettings.SetOffScreenRenderingBestPerformanceArgs();
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CefBrowserSettings.CefCommandLineArgs.Add("disable-pinch", "1");
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Debug.WriteLine("[{0}]", string.Join(", ", CefBrowserSettings.CefCommandLineArgs));
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//allow windowless rendering
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CefBrowserSettings.WindowlessRenderingEnabled = true;
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//Initialize CEF
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Cef.EnableHighDPISupport();
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Cef.Initialize(CefBrowserSettings);
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}
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//Initialize the Browser-Component
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private void InitializeBrowser()
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{
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//Create the Instance
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CefBrowser = new ChromiumWebBrowser("");
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//Set the Dock Property
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CefBrowser.Dock = DockStyle.Fill;
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//Add the Event-Handlers
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CefBrowser.LoadingStateChanged += new EventHandler<LoadingStateChangedEventArgs>(BrowserLoadsChanged);
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CefBrowser.TitleChanged += new EventHandler<TitleChangedEventArgs>(BrowserTitleChanged);
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CefBrowser.LoadError += new EventHandler<LoadErrorEventArgs>(BrowserLoadsError);
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CefBrowser.KeyboardHandler = new CefBrowserKeyHandler();
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CefBrowser.MenuHandler = new CefBrowserMenuHandler();
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//Register JS Object
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CefBrowser.RegisterJsObject(Constants.BROWSER_JS_OBJ_NAME, new BrowserJSObject(this));
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//Insert into Form
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this.Controls.Add(CefBrowser);
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}
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#endregion
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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#region BROWSER_EVENT_HANDLERS_METHODS
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//On browser Load-Error. Event Handler called by Browser
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private void BrowserLoadsError(object sender, LoadErrorEventArgs e)
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{
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//Set the Load-Error global variable to TRUE
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LoadingError.Error = true;
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LoadingError.ErrorInfo = e.ErrorCode.GetTypeCode() + " - " + e.ErrorText;
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//write the error in the Title Bar
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SetWindowTitle(LoadingError.ErrorInfo);
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}
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//On browser Load-Changed. Event Handler called by Browser
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private void BrowserLoadsChanged(object sender, LoadingStateChangedEventArgs e)
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{
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//if the State is NOT "loading"
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if (!e.IsLoading)
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{
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//Show the Main Window, when the page is loaded
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ShowWindow();
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//Start following NC Window
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if (Config.VendorHmiConfig.Enabled)
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NcWindow.StartNcFollowing(MainHandle, NcHandle, NcFrm.Width, NcFrm.Height);
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else
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NcWindow.StartStepFollowing(MainHandle);
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//If is an Error Show the Error page
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if (LoadingError.Error && !LoadingError.ErrorInfo.Contains("ERR_ABORTED"))
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MessageBox.Show("Error While Loading the Page: " + LoadingError.ErrorInfo + "\nPress:\n - F5: reload the Page\n - F1: Back to last Page");
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//Set focus on the page
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BrowserFocus();
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}
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//if the State is NOT "loading"
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else
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{
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//Set the Load-Error global variable to FALSE
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LoadingError.Error = false;
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//Set the title of the window in "Loading"
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SetWindowTitle("Loading...");
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}
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}
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//On browser Title-Changed. Event Handler called by Browser
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private void BrowserTitleChanged(object sender, TitleChangedEventArgs e)
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{
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if (!LoadingError.Error)
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SetWindowTitle(e.Title);
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}
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#endregion
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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#region INVOKES_&_OTHER_METHODS
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//Show MainWindow Method
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private void ShowWindow()
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{
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//Invoke method if is needed or call the method in STD mode
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if (this.InvokeRequired)
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this.Invoke((MethodInvoker)delegate () {
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this.WindowState = FormWindowState.Maximized;
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this.Opacity = 1.0;
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});
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else
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{
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this.WindowState = FormWindowState.Maximized;
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this.Opacity = 1.0;
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}
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}
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//Show MainWindow Method
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private void BrowserFocus()
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{
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//Invoke method if is needed or call the method in STD mode
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if (CefBrowser.InvokeRequired)
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CefBrowser.Invoke((MethodInvoker)delegate () { CefBrowser.Focus(); });
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else
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CefBrowser.Focus();
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}
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//Set Window Title
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private void SetWindowTitle(String Title)
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{
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//Setup product label
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if (Environment.Is64BitProcess)
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Title = Application.ProductName + " x64 | " + Title;
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else
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Title = Application.ProductName + " x86 | " + Title;
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//Invoke method if is needed or call the method in STD mode
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if (this.InvokeRequired)
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this.Invoke((MethodInvoker)delegate () { this.Text = Title; });
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else
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this.Text = Title;
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}
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//Show NC Method
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public void ShowNCWindow()
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{
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if (!Config.VendorHmiConfig.Enabled)
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return;
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//Invoke method if is needed or call the method in STD mode
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if (this.InvokeRequired)
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this.Invoke((MethodInvoker)delegate () {
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this.Owner = null;
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this.NcFrm.Owner = this;
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this.NcFrm.TopMost = true;
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this.NcFrm.TopMost = false;
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});
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else
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{
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this.Owner = null;
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this.NcFrm.Owner = this;
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this.NcFrm.TopMost = true;
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this.NcFrm.TopMost = false;
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}
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}
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//Hide NC Method
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public void HideNCWindow()
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{
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if (!Config.VendorHmiConfig.Enabled)
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return;
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//Invoke method if is needed or call the method in STD mode
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if (this.InvokeRequired)
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this.Invoke((MethodInvoker)delegate () {
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this.NcFrm.Owner = null;
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this.TopMost = true;
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this.TopMost = false;
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});
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else
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{
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this.NcFrm.Owner = null;
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this.TopMost = true;
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this.TopMost = false;
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}
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}
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//CAlculate Window Position
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private void CalcWindowPosition()
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{
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//Position of the Window
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if (Screen.AllScreens.Length > 1 && Config.ClientConfig.RunningOnSecondaryScreen)
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{
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Screen ps = Screen.AllScreens.FirstOrDefault(S => S.Primary == true);
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Screen ss = Screen.AllScreens.FirstOrDefault(S => S.Primary == false);
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X = ps.Bounds.Width;
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if(ss.Bounds.Top != 0)
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Y = ss.Bounds.Top;
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}
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}
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#endregion
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}
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}
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