private void injectScripts()
{
// Thanks to: http://stackoverflow.com/questions/7998996/how-to-inject-javascript-in-webbrowser-control
HtmlElement head = _webBrowser.Document.GetElementsByTagName("head")[0];
HtmlElement scriptEl = _webBrowser.Document.CreateElement("script");
mshtml.IHTMLScriptElement element = (mshtml.IHTMLScriptElement)scriptEl.DomElement;
element.src = "http://svn.coderepos.org/share/lang/javascript/javascript-xpath/trunk/release/javascript-xpath-latest-cmp.js";
head.AppendChild(scriptEl);
string javaScriptText = @"
function GetElements (XPath) {
var xPathRes = document.evaluate ( XPath, document, null, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null);
var nextElement = xPathRes.iterateNext ();
var elements = new Object();
var elementIndex = 1;
while (nextElement) {
elements[elementIndex++] = nextElement;
nextElement = xPathRes.iterateNext ();
}
elements.length = elementIndex -1;
return elements;
};
";
scriptEl = _webBrowser.Document.CreateElement("script");
element = (mshtml.IHTMLScriptElement)scriptEl.DomElement;
element.text = javaScriptText;
head.AppendChild(scriptEl);
}
//private void CancelAlertWin()
//{
// var doc = main_browser.Document.Window.Frames["wsyw_main_content_iframe"]?.Document;
// HtmlElement head = doc.GetElementsByTagName("head")[0];
// HtmlElement scriptEl = doc.CreateElement("script");
// mshtml.IHTMLScriptElement element = (mshtml.IHTMLScriptElement)scriptEl.DomElement;
// string alertBlocker = "window.alert = function () { }";
// element.text = alertBlocker;
// head.AppendChild(scriptEl);
// wbNav.ScriptErrorsSuppressed = true;
//}
private void InjectAlertBlocker()
{
//var doc = main_browser.Document.Window.Frames["wsyw_main_content_iframe"]?.Document;
//HtmlElement head = doc.GetElementsByTagName("head")[0];
//HtmlElement scriptEl = doc.CreateElement("script");
////string alertBlocker = "window.alert = function () { }";
//string alertBlocker = "CFW.oWin.fnAlert = function () { };window.alert = function () { }";
////string alertBlocker = "alert(1);";
//scriptEl.SetAttribute("text", alertBlocker);
//head.AppendChild(scriptEl);
//doc.Body.AppendChild(scriptEl);
//main_browser.Document.Body.AppendChild(scriptEl);
var doc = main_browser.Document.Window.Frames["wsyw_main_content_iframe"]?.Document;
//HtmlElement head = doc.GetElementsByTagName("head")[0];
var head = doc.GetElementsByTagName("head")[0];
HtmlElement scriptEl = doc.CreateElement("script");
mshtml.IHTMLScriptElement element = (mshtml.IHTMLScriptElement)scriptEl.DomElement;
string alertBlocker = "CFW.oWin.fnAlert = function () { };window.alert = function () { }";
element.text = alertBlocker;
head.AppendChild(scriptEl);
doc.Body.AppendChild(scriptEl);
main_browser.ScriptErrorsSuppressed = true;
}
private void frmBrowser_Navigated(object sender, NavigationEventArgs e)
{
SetStatusRight("RSS completely loaded.");
WebBrowser Browser = sender as WebBrowser;
mshtml.HTMLDocument HTMLDoc = Browser.Document as mshtml.HTMLDocument;
mshtml.IHTMLScriptElement HTMLScript = (mshtml.IHTMLScriptElement)HTMLDoc.createElement("SCRIPT");
HTMLScript.type = "text/javascript";
HTMLScript.text = @"function noError() { return true; } window.onerror = noError;";
mshtml.IHTMLElementCollection Nodes = HTMLDoc.getElementsByTagName("HEAD");
foreach (mshtml.HTMLHeadElement HTMLElementItem in Nodes)
{
HTMLElementItem.appendChild((mshtml.IHTMLDOMNode)HTMLScript);
}
}
/// <summary>
/// Private control constructor defining all default values
/// </summary>
public HtmlEditorControl()
{
// This call is required by the Windows.Forms Form Designer.
InitializeComponent();
// define the default values
// browser constants and commands
EMPTY_PARAMETER = System.Reflection.Missing.Value;
// default values used to reset values
_defaultBodyBackColor = Color.White;
_defaultBodyForeColor = Color.Black;
_defaultBackColor = SystemColors.ControlLight;
_defaultFont = new HtmlFontProperty(this.Font);
// define the default values of the properties
_readOnly = false;
_toolbarVisible = true;
_toolbarDock = DockStyle.Bottom;
_bodyText = DEFAULT_HTML_TEXT;
_bodyHtml = DEFAULT_HTML_TEXT;
_bodyBackColor = _defaultBodyBackColor;
_bodyForeColor = _defaultBodyForeColor;
_bodyFont = _defaultFont;
_scrollBars = DisplayScrollBarOption.Auto;
_imageDirectory = string.Empty;
_htmlDirectory = string.Empty;
_navigateWindow = NavigateActionOption.Default;
_baseHref = string.Empty;
_autoWordWrap = true;
_borderSize = DEFAULT_BORDER_SIZE;
stylesheet = null;
script = null;
// define context menu state and size
this.BackColor = _defaultBackColor;
this.contextDocumentToolbar.Checked = true;
this.contextDocumentScrollbar.Checked = true;
this.contextDocumentWordwrap.Checked = true;
SetBrowserPanelSize();
// load the blank Html page to load the MsHtml object model
BrowserCodeNavigate(BLANK_HTML_PAGE);
// after load ensure document marked as editable
this.ReadOnly = _readOnly;
this.ScrollBars = _scrollBars;
}
public HtmlEditorControl()
{
// This call is required by the Windows.Forms Form Designer.
InitializeComponent();
// define the context menu for format commands
DefineFormatBlockMenu();
// define the default values
// browser constants and commands
EMPTY_PARAMETER = System.Reflection.Missing.Value;
// default values used to reset values
_defaultBackColor = Color.White;
_defaultForeColor = Color.Black;
_defaultFont = new HtmlFontProperty(this.Font);
// set browser default values to hide IE items
this.editorWebBrowser.AddressBar = false;
this.editorWebBrowser.MenuBar = false;
this.editorWebBrowser.StatusBar = false;
// obtain the underlying web browser and set options
// SHDocVw.WebBrowser webBrowser = (SHDocVw.WebBrowser)this.editorWebBrowser.GetOcx();
// define the default values of the properties
_readOnly = false;
_toolbarVisible = false;
_enableVisualStyles = false;
_toolbarDock = DockStyle.Bottom;
_bodyText = DEFAULT_HTML_TEXT;
_bodyHtml = DEFAULT_HTML_TEXT;
_bodyBackColor = _defaultBackColor;
_bodyForeColor = _defaultForeColor;
_bodyFont = _defaultFont;
_scrollBars = DisplayScrollBarOption.Auto;
_imageDirectory = string.Empty;
_htmlDirectory = string.Empty;
_navigateWindow = NavigateActionOption.Default;
_baseHref = string.Empty;
_autoWordWrap = true;
stylesheet = null;
script = null;
// define context menu state
this.menuDocumentToolbar.Checked = true;
this.menuDocumentScrollbar.Checked = true;
this.menuDocumentWordwrap.Checked = true;
// load the blank Html page to load the MsHtml object model
BrowserCodeNavigate(BLANK_HTML_PAGE);
// after load ensure document marked as editable
this.ReadOnly = _readOnly;
}
// define a script element that is to be used by all documents
// can be sued for document processing
public void LinkScriptSource(string scriptSource)
{
if (script != null)
{
script.src = scriptSource;
}
else
{
// create the script element
script = (HtmlScriptElement)document.createElement(SCRIPT_TAG);
script.src = scriptSource;
script.defer = true;
// insert into the document
HtmlDomNode node = (HtmlDomNode)document.documentElement;
node.appendChild((HtmlDomNode)script);
}
}
