internal object ExecuteWithUserInterface(int command, object[] arguments)
{
object[] retVal = new object[] { null };
int hr = CommandTarget.Exec(ref NativeMethods.Guid_MSHTML, command, NativeMethods.OLECMDEXECOPT.OLECMDEXECOPT_PROMPTUSER, arguments, retVal);
if (hr != NativeMethods.S_OK)
{
throw new Exception("Execution of MSHTML command ID \'" + command + "\' failed.");
}
return(retVal[0]);
}
/// <summary>
/// Executes the specified command in MSHTML with the specified argument
/// </summary>
/// <param name="command"></param>
protected internal void ExecPrompt(int command)
{
object[] args = new object[] { null };
//Execute the command
int hr = CommandTarget.Exec(ref Interop.Guid_MSHTML, command, Interop.OLECMDEXECOPT.OLECMDEXECOPT_PROMPTUSER, args, null);
if (hr != Interop.S_OK)
{
throw new Exception("MSHTMLHelper.Exec : Command " + command + " did not return S_OK");
}
}
/// <summary>
/// Executes the specified command in MSHTML and returns the result
/// </summary>
/// <param name="command"></param>
/// <returns>object result - The result of the command</returns>
protected internal object ExecResult(int command)
{
object[] retVal = new object[1];
//Execute the command
int hr = CommandTarget.Exec(ref Interop.Guid_MSHTML, command, Interop.OLECMDEXECOPT.OLECMDEXECOPT_DONTPROMPTUSER, null, retVal);
if (hr != Interop.S_OK)
{
throw new Exception("MSHTMLHelper.ExecResult : Command " + command + " did not return S_OK");
}
return(retVal[0]);
}
/// <summary>
/// Executes the specified command in this Frame with the specified arguments.
/// </summary>
/// <param name="command"></param>
/// <param name="argument"></param>
protected internal void Exec(int command, object argument)
{
Interop.OLEVARIANT nil = new Interop.OLEVARIANT();
Interop.OLEVARIANT arg = new Interop.OLEVARIANT();
if (argument != null)
{
switch (argument.GetType().ToString())
{
case "System.String":
arg.LoadString((string)argument);
break;
case "System.Boolean":
arg.LoadBoolean((bool)argument);
break;
case "System.Int32":
case "System.Int16":
arg.LoadInteger((int)argument);
break;
default:
throw new ArgumentException(String.Concat("Unknown Type: ", argument.GetType(), " Argument: ", argument));
}
}
int hr;
try
{
hr = CommandTarget.Exec(ref Interop.Guid_MSHTML, command, (int)Interop.OLECMDEXECOPT.OLECMDEXECOPT_DONTPROMPTUSER, arg, nil);
if (hr != Interop.S_OK)
{
throw new CommandUnavailableException(command, "HtmlEditor.Exec: Command fails. Returncode was: " + hr);
}
}
catch (Exception ex)
{
throw new CommandUnavailableException(command, "HtmlEditor.Exec: Command fails. See for more details InnerException", ex);
}
}
/// <summary>
/// Overridden to activate design and multiple selection modes
/// </summary>
/// <param name="args"></param>
protected override void OnCreated(EventArgs args)
{
if (args == null)
{
throw new ArgumentNullException("You must specify a non-null EventArgs for OnCreated");
}
base.OnCreated(args);
object[] mshtmlArgs = new object[1];
mshtmlArgs[0] = true;
CommandTarget.Exec(ref Interop.Guid_MSHTML, Interop.IDM_PERSISTDEFAULTVALUES, 0, mshtmlArgs, null);
mshtmlArgs[0] = true;
CommandTarget.Exec(ref Interop.Guid_MSHTML, Interop.IDM_PROTECTMETATAGS, 0, mshtmlArgs, null);
mshtmlArgs[0] = true;
CommandTarget.Exec(ref Interop.Guid_MSHTML, Interop.IDM_PRESERVEUNDOALWAYS, 0, mshtmlArgs, null);
mshtmlArgs[0] = true;
CommandTarget.Exec(ref Interop.Guid_MSHTML, Interop.IDM_NOACTIVATENORMALOLECONTROLS, 0, mshtmlArgs, null);
mshtmlArgs[0] = true;
CommandTarget.Exec(ref Interop.Guid_MSHTML, Interop.IDM_NOACTIVATEDESIGNTIMECONTROLS, 0, mshtmlArgs, null);
mshtmlArgs[0] = true;
CommandTarget.Exec(ref Interop.Guid_MSHTML, Interop.IDM_NOACTIVATEJAVAAPPLETS, 0, mshtmlArgs, null);
mshtmlArgs[0] = true;
CommandTarget.Exec(ref Interop.Guid_MSHTML, Interop.IDM_NOFIXUPURLSONPASTE, 0, mshtmlArgs, null);
//Set the design mode to the last desired design mode
if (_designModeDesired)
{
DesignModeEnabled = _designModeDesired;
_designModeDesired = false;
}
}
/// <summary>
/// Allow editors to perform actions when the MSHTML document is created
/// and before it's activated
/// </summary>
/// <param name="e"></param>
protected virtual void OnCreated(EventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("You must specify a non-null EventArgs for OnCreated");
}
object[] mshtmlArgs = new object[1];
mshtmlArgs[0] = true;
CommandTarget.Exec(ref NativeMethods.Guid_MSHTML, NativeMethods.IDM_PERSISTDEFAULTVALUES, 0, mshtmlArgs, null);
mshtmlArgs[0] = true;
CommandTarget.Exec(ref NativeMethods.Guid_MSHTML, NativeMethods.IDM_PROTECTMETATAGS, 0, mshtmlArgs, null);
mshtmlArgs[0] = true;
CommandTarget.Exec(ref NativeMethods.Guid_MSHTML, NativeMethods.IDM_PRESERVEUNDOALWAYS, 0, mshtmlArgs, null);
mshtmlArgs[0] = true;
CommandTarget.Exec(ref NativeMethods.Guid_MSHTML, NativeMethods.IDM_NOACTIVATENORMALOLECONTROLS, 0, mshtmlArgs, null);
mshtmlArgs[0] = true;
CommandTarget.Exec(ref NativeMethods.Guid_MSHTML, NativeMethods.IDM_NOACTIVATEDESIGNTIMECONTROLS, 0, mshtmlArgs, null);
mshtmlArgs[0] = true;
CommandTarget.Exec(ref NativeMethods.Guid_MSHTML, NativeMethods.IDM_NOACTIVATEJAVAAPPLETS, 0, mshtmlArgs, null);
mshtmlArgs[0] = true;
CommandTarget.Exec(ref NativeMethods.Guid_MSHTML, NativeMethods.IDM_NOFIXUPURLSONPASTE, 0, mshtmlArgs, null);
// Set the design mode to the last desired design mode
if (this.designModeDesired)
{
this.IsDesignMode = this.designModeDesired;
this.designModeDesired = false;
}
}
