/// <summary>
/// Returns the InternetSecurityZone assign to the currently loaded document
/// </summary>
/// <returns></returns>
protected InternetSecurityZone GetSecurityZone()
{
IOleCommandTargetWithExecParams target = (IOleCommandTargetWithExecParams)Document;
object input = null;
object output = null;
target.Exec(MSHTML, GETFRAMEZONE, OpenLiveWriter.Interop.Com.OLECMDEXECOPT.DODEFAULT, ref input, ref output);
UInt32 zoneInt = (UInt32)output;
InternetSecurityZone zone = (InternetSecurityZone)zoneInt;
return(zone);
}
/// <summary>
/// Execute the command with an input and output parameter
/// </summary>
public override void Execute()
{
// get the command target
IOleCommandTargetWithExecParams target = GetCommandTarget();
// if there is a target, execute the command on it
if (target != null)
{
object input = null;
object output = null;
try
{
target.Exec(
CGID_IWebBrowserPrivate,
m_cmdID,
OpenLiveWriter.Interop.Com.OLECMDEXECOPT.DODEFAULT,
ref input,
ref output);
}
catch (COMException e)
{
// The InternetOptions command throws a spurious exception
// every time it is invoked -- ignore it.
if (m_cmdID != InternetOptions)
{
throw e;
}
}
}
// should never try to execute a command if there is no target!
// (caller should have detected this via QueryStatus)
else
{
Debug.Assert(false,
"Attempted to execute a command when there is no valid target");
}
}
public static void Run(string appId, LaunchAction action, string[] args)
{
Mutex m_mutex = new Mutex(false, @"Local\" + appId);
RunningObjectTable rot = new RunningObjectTable();
for (int i = 0; i < 120; i++) // wait for ~60 seconds
{
if (m_mutex.WaitOne(1, false))
{
// we are the first instance
try
{
using (rot.Register(appId, new OleCommandTargetImpl(action)))
{
action(args, true);
}
return;
}
finally
{
m_mutex.ReleaseMutex();
}
}
else
{
// we are not the first instance
IOleCommandTargetWithExecParams instance = rot.GetObject(appId) as IOleCommandTargetWithExecParams;
if (instance != null)
{
try
{
object dummy = null;
object processId = null;
instance.Exec(Guid.Empty, 0, OLECMDEXECOPT.DODEFAULT, ref dummy, ref processId);
User32.AllowSetForegroundWindow((int)processId);
object objArgs = args;
object result = null;
instance.Exec(Guid.Empty, 1, OLECMDEXECOPT.DODEFAULT, ref objArgs, ref result);
if (result is bool && (bool)result)
{
return;
}
}
catch (Exception e)
{
Trace.WriteLine(e.ToString());
}
finally
{
Marshal.ReleaseComObject(instance);
}
}
}
Thread.Sleep(500);
}
Trace.WriteLine(appId + " could not start!");
}
