Add Cef.DoMessageLoopWork example to WinForms.Example project

amaitland · amaitland · commit fe11f2eada54 · 2015-10-21T19:56:45.000+10:00
diff --git a/CefSharp.Example/CefExample.cs b/CefSharp.Example/CefExample.cs
@@ -27,7 +27,7 @@ public static class CefExample
         private static readonly bool DebuggingSubProcess = Debugger.IsAttached;
         private static string PluginInformation = "";
 
-        public static void Init(bool osr)
+        public static void Init(bool osr, bool multiThreadedMessageLoop)
         {
             // Set Google API keys, used for Geolocation requests sans GPS.  See http://www.chromium.org/developers/how-tos/api-keys
             // Environment.SetEnvironmentVariable("GOOGLE_API_KEY", "");
@@ -73,6 +73,8 @@ public static void Init(bool osr)
             //Possibly useful when experiencing blury fonts.
             //settings.CefCommandLineArgs.Add("disable-direct-write", "1");
 
+            settings.MultiThreadedMessageLoop = multiThreadedMessageLoop;
+
             // Off Screen rendering (WPF/Offscreen)
             if(osr)
             {
diff --git a/CefSharp.OffScreen.Example/Program.cs b/CefSharp.OffScreen.Example/Program.cs
@@ -22,7 +22,7 @@ public static void Main(string[] args)
             Console.WriteLine();
 
             // You need to replace this with your own call to Cef.Initialize();
-            CefExample.Init(true);
+            CefExample.Init(true, multiThreadedMessageLoop:true);
 
             MainAsync("cachePath1", 1.0);
             //Demo showing Zoom Level of 3.0
diff --git a/CefSharp.WinForms.Example/Program.cs b/CefSharp.WinForms.Example/Program.cs
@@ -22,7 +22,20 @@ public static void Main()
             }
 #endif
 
-            CefExample.Init(false);
+            const bool multiThreadedMessageLoop = true;
+            CefExample.Init(false, multiThreadedMessageLoop: multiThreadedMessageLoop);
+
+            if(multiThreadedMessageLoop == false)
+            {
+                //http://magpcss.org/ceforum/apidocs3/projects/%28default%29/%28_globals%29.html#CefDoMessageLoopWork%28%29
+                //Perform a single iteration of CEF message loop processing.
+                //This function is used to integrate the CEF message loop into an existing application message loop.
+                //Care must be taken to balance performance against excessive CPU usage.
+                //This function should only be called on the main application thread and only if CefInitialize() is called with a CefSettings.multi_threaded_message_loop value of false.
+                //This function will not block. 
+
+                Application.Idle += (s, e) => Cef.DoMessageLoopWork();
+            }
 
             var browser = new BrowserForm();
             //var browser = new SimpleBrowserForm();
diff --git a/CefSharp.Wpf.Example/App.xaml.cs b/CefSharp.Wpf.Example/App.xaml.cs
@@ -19,7 +19,7 @@ protected override void OnStartup(StartupEventArgs e)
             }
 #endif
 
-            CefExample.Init(true);
+            CefExample.Init(true, multiThreadedMessageLoop: true);
 
             base.OnStartup(e);
         }

Original file line number	Diff line number	Diff line change
`@@ -19,7 +19,7 @@ protected override void OnStartup(StartupEventArgs e)`
`19`	`19`	`}`
`20`	`20`	`#endif`
`21`	`21`
`22`		`- CefExample.Init(true);`
	`22`	`+ CefExample.Init(true, multiThreadedMessageLoop: true);`
`23`	`23`
`24`	`24`	`base.OnStartup(e);`
`25`	`25`	`}`