private void Test2Button_Click(object sender, EventArgs e)
{
// This is demonstration of async browser construction.
// .Load method raises exception with message 'CefBrowser is not ready.', cause underlying CefBrowser doesn't created.
// I propose to that .Load method locks internally and wait for CefBrowser (AfterHandleCreated message).
// But note, that lock also lock main message loop (if called from UI thread), or we can got inifinite lock, if no message arrived - so some timeout required.
// If we have plans to support singlethreaded cef message loop - we must process cef message loop.
// We can give name for event AfterHandleCreated as BrowserReady or Ready.
// Note, that this is event only signals, that browser constructed, - this is NOT DocumentReady or Navigated.
// Also .BrowserReady event is good, but method to perform sync operation also can be useful.
PrepareTest();
browser = new CefFormsWebBrowser();
browser.Parent = panel;
browser.Dock = DockStyle.Fill;
try
{
browser.Load("http://google.com");
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
private void Test2Button_Click(object sender, EventArgs e)
{
// This is demonstration of async browser construction.
// .Load method raises exception with message 'CefBrowser is not ready.', cause underlying CefBrowser doesn't created.
// I propose to that .Load method locks internally and wait for CefBrowser (AfterHandleCreated message).
// But note, that lock also lock main message loop (if called from UI thread), or we can got inifinite lock, if no message arrived - so some timeout required.
// If we have plans to support singlethreaded cef message loop - we must process cef message loop.
// We can give name for event AfterHandleCreated as BrowserReady or Ready.
// Note, that this is event only signals, that browser constructed, - this is NOT DocumentReady or Navigated.
// Also .BrowserReady event is good, but method to perform sync operation also can be useful.
PrepareTest();
browser = new CefFormsWebBrowser();
browser.Parent = panel;
browser.Dock = DockStyle.Fill;
try
{
browser.Load("http://google.com");
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
private void PrepareTest()
{
if (browser != null)
{
browser.Dispose();
browser = null;
}
}
public TransparentPanel(CefFormsWebBrowser browserControl)
: base()
{
if (browserControl != null)
_browserControl = browserControl;
this.TabStop = true;
this.SetStyle(ControlStyles.Selectable, true);
}
void MainForm_Shown(object sender, EventArgs e)
{
WebBrowser = new CefFormsWebBrowser("http://google.com", new BrowserSettings());
WebBrowser.Parent = MainForm;
WebBrowser.Dock = DockStyle.Fill;
WebBrowser.WaitForLoadCompletion();
WebBrowser.BeforeResourceLoadHandler = this;
waitCreated.Set();
}
void MainForm_Shown(object sender, EventArgs e)
{
WebBrowser = new CefFormsWebBrowser("http://google.com", new BrowserSettings());
WebBrowser.Parent = MainForm;
WebBrowser.Dock = DockStyle.Fill;
WebBrowser.WaitForLoadCompletion();
WebBrowser.BeforeResourceLoadHandler = this;
waitCreated.Set();
}
private void Test1Button_Click(object sender, EventArgs e)
{
// This is "default" usage of control.
// We don't call CEF.Initialization - it's called implicitly by CefWebBrowser constructor.
// Note, that CEF.Shutdown must called explicitly.
// Also, CEF.Shutdown now is safe to call, even if CEF.Initialization not called before.
PrepareTest();
browser = new CefFormsWebBrowser("http://google.com", new BrowserSettings());
browser.Parent = panel;
browser.Dock = DockStyle.Fill;
}
public TestEventProxy()
{
InitializeComponent();
browser = new CefFormsWebBrowser(testURL, new BrowserSettings());
browser.Dock = DockStyle.Fill;
this.toolStripContainer1.ContentPanel.Controls.Add(browser);
eventProxy = new TransparentPanel(browser);
eventProxy.Dock = DockStyle.Fill;
this.toolStripContainer1.ContentPanel.Controls.Add(eventProxy);
}
private void Test1Button_Click(object sender, EventArgs e)
{
// This is "default" usage of control.
// We don't call CEF.Initialization - it's called implicitly by CefWebBrowser constructor.
// Note, that CEF.Shutdown must called explicitly.
// Also, CEF.Shutdown now is safe to call, even if CEF.Initialization not called before.
PrepareTest();
browser = new CefFormsWebBrowser("http://google.com", new BrowserSettings());
browser.Parent = panel;
browser.Dock = DockStyle.Fill;
}
public Browser()
{
InitializeComponent();
Text = "CefSharp";
_browserControl = new CefFormsWebBrowser(cefSharpHomeUrl, new BrowserSettings());
_browserControl.Dock = DockStyle.Fill;
_browserControl.PropertyChanged += HandleBrowserPropertyChanged;
_browserControl.ConsoleMessage += HandleConsoleMessage;
_browserControl.BeforePopupHandler = this;
_browserControl.BeforeResourceLoadHandler = this;
_browserControl.AfterResponseHandler = this;
toolStripContainer.ContentPanel.Controls.Add(_browserControl);
}
