/// <summary>
/// 设置复制,剪切,粘贴的可用性
/// </summary>
/// <param name="idoc"></param>
/// <param name="designPopMenu"></param>
public void SetDesignContextMenuEnable()
{
copyToolStripMenuItem.Enabled = idoc2.queryCommandEnabled("Copy");
cutToolStripMenuItem.Enabled = idoc2.queryCommandEnabled("Cut");
pasteToolStripMenuItem.Enabled = idoc2.queryCommandEnabled("Paste");
//inslinkToolStripMenuItem.Enabled = idoc2.queryCommandEnabled("Copy");
}
public override bool CanUndo()
{
if (IDoc2 == null)
{
return(false);
}
return((bool)IDoc2.queryCommandEnabled("Undo"));
//return true;
}
public static void ExecuteCommandHtmlDoc(IHTMLDocument2 htmlDoc, HtmlCommand command, object data)
{
try
{
if (htmlDoc.IsNull())
{
return;
}
// ensure command is valid and enabled
if (!htmlDoc.queryCommandSupported(command.Name()))
{
return;
}
if (!htmlDoc.queryCommandEnabled(command.Name()))
{
return;
}
htmlDoc.execCommand(command.Name(), false, data);
}
catch (RemotingException) { }
catch (UnauthorizedAccessException) { }
}
public static object QueryValueHtmlDoc(IHTMLDocument2 htmlDoc, HtmlCommand command)
{
try
{
if (htmlDoc.IsNull())
{
return(null);
}
// ensure command is valid and enabled
if (!htmlDoc.queryCommandSupported(command.Name()))
{
return(null);
}
if (!htmlDoc.queryCommandEnabled(command.Name()))
{
return(null);
}
return(htmlDoc.queryCommandValue(command.Name()));
}
catch (RemotingException) { }
catch (UnauthorizedAccessException) { }
return(null);
}
public bool IsCommandEnabled(string name)
{
IHTMLDocument2 doc = (IHTMLDocument2)Browser.Document;
if (doc == null)
{
return(false);
}
return(doc.queryCommandEnabled(name));
}
private bool IsCommandEnabled(string wCmd)
{
IHTMLDocument2 _doc2 = m_webBrowser.Document.DomDocument as IHTMLDocument2;
if (_doc2 != null)
{
return(_doc2.queryCommandEnabled(wCmd));
}
return(false);
}
private bool pIsCmdEnabled(string Cmd)
{
if (BrowserView.Document != null)
{
IHTMLDocument2 doc2 = (mshtml.IHTMLDocument2)BrowserView.Document.DomDocument;
if (doc2 != null)
{
return(doc2.queryCommandEnabled(Cmd));
}
}
return(false);
}
/// <summary>
/// Determine the status of the Undo command in the document editor.
/// </summary>
/// <returns>whether or not an undo operation is currently valid</returns>
public bool CanUndo()
{
return(doc.queryCommandEnabled("Undo"));
}
public bool CanExecuteCommand(NoteEditorCommand command)
{
return(htmlDoc.queryCommandEnabled(command.Value));
}
public bool queryCommandEnabled(string cmdID)
{
return(_innerDoc2.queryCommandEnabled(cmdID));
}
