private static DTE GetDTE(int processId)
{
MessageFilter.Register();
var prefix = Process.GetProcessById(processId).ProcessName;
if ("devenv".Equals(prefix, StringComparison.OrdinalIgnoreCase))
{
prefix = "VisualStudio";
}
string progId = string.Format("!{0}.DTE.{1}:{2}", prefix, AssemblyVersionInfo.VSVersion, processId);
object runningObject = null;
IBindCtx bindCtx = null;
IRunningObjectTable rot = null;
IEnumMoniker enumMonikers = null;
try {
Marshal.ThrowExceptionForHR(CreateBindCtx(reserved: 0, ppbc: out bindCtx));
bindCtx.GetRunningObjectTable(out rot);
rot.EnumRunning(out enumMonikers);
IMoniker[] moniker = new IMoniker[1];
uint numberFetched = 0;
while (enumMonikers.Next(1, moniker, out numberFetched) == 0)
{
IMoniker runningObjectMoniker = moniker[0];
string name = null;
try {
if (runningObjectMoniker != null)
{
runningObjectMoniker.GetDisplayName(bindCtx, null, out name);
}
} catch (UnauthorizedAccessException) {
// Do nothing, there is something in the ROT that we do not have access to.
}
if (!string.IsNullOrEmpty(name) && string.Equals(name, progId, StringComparison.Ordinal))
{
rot.GetObject(runningObjectMoniker, out runningObject);
break;
}
}
} finally {
if (enumMonikers != null)
{
Marshal.ReleaseComObject(enumMonikers);
}
if (rot != null)
{
Marshal.ReleaseComObject(rot);
}
if (bindCtx != null)
{
Marshal.ReleaseComObject(bindCtx);
}
}
return((DTE)runningObject);
}
// Start the filter.
public static void Register()
{
IOleMessageFilter newFilter = new MessageFilter();
CoRegisterMessageFilter(newFilter, out IOleMessageFilter oldFilter);
}
