private void AboutDemo()
{
Form aboutDemo = new Form();
aboutDemo.ShowIcon = false;
aboutDemo.Size = new Size(380, 300);
aboutDemo.Text = "About Demo";
aboutDemo.FormBorderStyle = FormBorderStyle.FixedDialog;
aboutDemo.MaximizeBox = false;
aboutDemo.MinimizeBox = false;
aboutDemo.StartPosition = FormStartPosition.CenterParent;
String strVersion = Assembly.GetExecutingAssembly().GetName().Version.ToString();
BrowserView browserView = new WinFormsBrowserView(BrowserFactory.Create(BrowserType.HEAVYWEIGHT));
aboutDemo.Controls.Add((Control)browserView);
string textAboutDemo = "<br>" + "<html><font face='Arial' size='2'>" +
"<font size='5'>DotNetBrowser Demo</font><br><br>" +
"<b>Version " + strVersion + "</b><br><br>" +
"<base target='_blank'>" +
"This application is created for demonstration purposes only.<br>" +
"© 2017 TeamDev Ltd. All rights reserved.<br><br>" +
"Powered by <a color='#3d82f8' href='https://www.teamdev.com/dotnetbrowser' " +
"style='text-decoration:none'>DotNetBrowser</a>. See " +
"<a color='#3d82f8' href='https://www.teamdev.com/dotnetbrowser-licence-agreement' " +
"style='text-decoration:none'>terms of use.</a><br>" +
"Based on <a color='#3d82f8' href='http://www.chromium.org/' " +
"style='text-decoration:none'>Chromium project</a>. " +
"See <a color='#3d82f8' " +
"href='http://dotnetbrowser-support.teamdev.com/documentation/open-source-components-licences' " +
"style='text-decoration:none'>full list</a> of Chromium<br>components, " +
"used in the current DotNetBrowser version.<br><br>" +
"This demo uses WebKit project under LGPL.<br>" +
"See licence text " +
"<a color='#3d82f8' href='https://www.gnu.org/licenses/old-licenses/lgpl-2.0.html' " +
"style='text-decoration:none'>LGPL v.2</a> and " +
"<a color='#3d82f8' href='https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html' " +
"style='text-decoration:none'>LGPL v.2.1</a></font></html>";
browserView.Browser.LoadHTML(textAboutDemo);
aboutDemo.FormClosing += delegate
{
if (!browserView.Browser.IsDisposed())
{
browserView.Browser.Dispose();
browserView.Dispose();
}
};
aboutDemo.ShowDialog();
}
//public string GetUiState()
//{
// JSObject document = (JSObject)browser.ExecuteJavaScriptAndReturnValue("document.stairDesigner");
// return document.ToJSONString();
//}
public bool CloseWindow()
{
if (InvokeRequired)
{
BeginInvoke(new Action(() =>
{
this.Close();
}));
}
else
{
this.Close();
BrowserView.Dispose();
}
return true;
}
public void DisposeForm()
{
browserView.Dispose();
browserView.Browser.Dispose();
}
private void toolStripUpload_Click(object sender, EventArgs e)
{
//Create new browser for rendering
WinFormsBrowserView browserView1 = new WinFormsBrowserView(BrowserFactory.Create(BrowserType.LIGHTWEIGHT));
Browser browser = browserView1.Browser;
// #1 Set browser initial size
browserView1.Browser.SetSize(1280, 1024);
// #2 Load web page and wait until web page is loaded completely.
ManualResetEvent resetEvent = new ManualResetEvent(false);
FinishLoadingFrameHandler listener = new FinishLoadingFrameHandler((object sender1, FinishLoadingEventArgs e1) =>
{
if (e1.IsMainFrame)
{
resetEvent.Set();
}
});
browser.FinishLoadingFrameEvent += listener;
try
{
browser.LoadURL(toolStripAddress.Text.ToString());
resetEvent.WaitOne(new TimeSpan(0, 0, 45));
}
finally
{
browser.FinishLoadingFrameEvent -= listener;
}
// #3 Set the required document size.
JSValue documentHeight = browserView1.Browser.ExecuteJavaScriptAndReturnValue(
"Math.max(document.body.scrollHeight, " +
"document.documentElement.scrollHeight, document.body.offsetHeight, " +
"document.documentElement.offsetHeight, document.body.clientHeight, " +
"document.documentElement.clientHeight);");
JSValue documentWidth = browserView1.Browser.ExecuteJavaScriptAndReturnValue(
"Math.max(document.body.scrollWidth, " +
"document.documentElement.scrollWidth, document.body.offsetWidth, " +
"document.documentElement.offsetWidth, document.body.clientWidth, " +
"document.documentElement.clientWidth);");
int scrollBarSize = 25;
int viewWidth = (int)documentWidth.GetNumber() + scrollBarSize;
int viewHeight = (int)documentHeight.GetNumber() + scrollBarSize;
// #4 Register OnRepaint to get notifications
// about paint events. We expect that web page will be completely rendered twice:
// 1. When its size is updated.
// 2. When HTML content is loaded and displayed.
//ManualResetEvent waitEvent = new ManualResetEvent(false);
DrawingView drawingView = (DrawingView)browserView1.GetImage();
browserView1.Browser.SetSize(viewWidth, viewHeight);
// #5 Wait until Chromium renders web page content.
//waitEvent.WaitOne();
// #6 Save Image of the loaded web page into a PNG file.
//Create Save file dialog
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.Filter = "PNG files (*.PNG)|*.PNG|All files (*.*)|*.*";
saveFileDialog.FilterIndex = 1;
saveFileDialog.RestoreDirectory = true;
//Choose path and name to save the file
if (saveFileDialog.ShowDialog() == DialogResult.OK)
{
//Format name of file
string imageFileName = saveFileDialog.FileName.ToString().Replace("%.png%", "");
browserView1.GetImage().Save(imageFileName, ImageFormat.Png);
}
if (!browser.IsDisposed())
{
browserView1.Dispose();
browser.Dispose();
}
}