/// <summary>
/// Executes a command on the WebRowser object.
/// </summary>
/// <param name="command">A <see cref="WebBrowserCommands"/> value that specifies the command to execute.</param>
/// <param name="options">A <see cref="WebBrowserCommandOptions"/> value that specifies the command options.</param>
/// <param name="arguments">The command arguments.</param>
/// <returns>The command output.</returns>
public object ExecuteCommand(WebBrowserCommands command, WebBrowserCommandOptions options, object arguments)
{
try
{
this.CheckActiveXState();
object result = null;
this.ActiveXWebBrowser.ExecWB(command, options, ref arguments, ref result);
return(result);
}
catch
{
return(null);
}
}
public int Exec(IntPtr pguidCmdGroup, WebBrowserCommands nCmdID, WebBrowserCommandOptions nCmdexecopt, IntPtr pvaIn, IntPtr pvaOut)
{
////if (pguidCmdGroup is Guid)
if (pguidCmdGroup != IntPtr.Zero)
{
Guid guidCmdGroup = (Guid)Marshal.PtrToStructure(pguidCmdGroup, typeof(Guid));
////Guid guidCmdGroup = (Guid)pguidCmdGroup;
if (guidCmdGroup == Interop.UnsafeNativeMethods.DocHostCommandHandlerCgid)
{
switch (nCmdID)
{
case WebBrowserCommands.ShowScriptError:
var htmlDocument = (pvaIn != IntPtr.Zero) ? Marshal.GetObjectForNativeVariant(pvaIn) : null;
var scriptErrorEventArgs = new WebBrowserScriptErrorEventArgs(htmlDocument);
this.Host.OnScriptError(scriptErrorEventArgs);
if (!scriptErrorEventArgs.Handled)
{
return(Interop.UnsafeNativeMethods.HRESULT.S_FALSE);
}
if (pvaOut != IntPtr.Zero)
{
Marshal.GetNativeVariantForObject(scriptErrorEventArgs.ContinueScripts, pvaOut);
}
return(Interop.UnsafeNativeMethods.HRESULT.S_OK);
}
return(Interop.NativeMethods.OLECMDERR.OLECMDERR_E_NOTSUPPORTED);
}
}
return(Interop.NativeMethods.OLECMDERR.OLECMDERR_E_UNKNOWNGROUP);
}
/// <summary>
/// Queries the WebRowser object for the status of commands.
/// </summary>
/// <param name="command">
/// A <see cref="WebBrowserCommands"/> value that specifies the command to query.
/// </param>
/// <returns>
/// A <see cref="WebBrowserCommandStatus"/> value with the status of the command.
/// </returns>
public WebBrowserCommandStatus GetCommandStatus(WebBrowserCommands command)
{
this.CheckActiveXState();
return(this.ActiveXWebBrowser.QueryStatusWB(command));
}
/// <summary>
/// Executes a command on the WebRowser object.
/// </summary>
/// <param name="command">A <see cref="WebBrowserCommands"/> value that specifies the command to execute.</param>
/// <param name="options">A <see cref="WebBrowserCommandOptions"/> value that specifies the command options.</param>
/// <returns>The command output.</returns>
public object ExecuteCommand(WebBrowserCommands command, WebBrowserCommandOptions options)
{
return(this.ExecuteCommand(command, options, null));
}
public int QueryStatus(IntPtr pguidCmdGroup, WebBrowserCommands cCmds, IntPtr prgCmds, IntPtr pCmdText)
{
return(UnsafeNativeMethods.HRESULT.S_OK);
}
