public int RegisterObject(object obj, string stringId)
{
int regId = -1;
System.Runtime.InteropServices.ComTypes.IRunningObjectTable pROT = null;
System.Runtime.InteropServices.ComTypes.IMoniker pMoniker = null;
int hr;
if ((hr = NativeMethods.GetRunningObjectTable((uint)0, out pROT)) != 0)
{
return(hr);
}
// File Moniker has to be used because in VBS GetObject only works with file monikers in the ROT
if ((hr = NativeMethods.CreateFileMoniker(stringId, out pMoniker)) != 0)
{
return(hr);
}
regId = pROT.Register(ROTFLAGS_REGISTRATIONKEEPSALIVE, obj, pMoniker);
_RegisteredObjects.Add(new ObjectInRot(obj, regId));
return(0);
}
/// <summary>
/// This allows us to register an object in the Running Object Table
/// </summary>
/// <param name="obj">A Com interface pointer owned by the object</param>
/// <param name="stringId">A display name for the object</param>
/// <returns>Returns two integers as an array, the first is the HRESULT of system calls and if successful the second is the registration id (regid). You'll need the regid to revoke from the ROT when tidying up.</returns>
public int[] RegisterObject(object obj, string stringId)
{
int[] retval = new int[] { 0, 0 };
int regId = -1;
System.Runtime.InteropServices.ComTypes.IRunningObjectTable pROT = null;
System.Runtime.InteropServices.ComTypes.IMoniker pMoniker = null;
int hr;
if ((hr = RotNativeMethods.GetRunningObjectTable((int)0, out pROT)) != 0)
{
retval[0] = hr;
return(retval); //(hr);
}
// File Moniker has to be used because in VBS GetObject only works with file monikers in the ROT
if ((hr = RotNativeMethods.CreateFileMoniker(stringId, out pMoniker)) != 0)
{
retval[0] = hr;
return(retval); //(hr);
}
int ROTFLAGS_REGISTRATIONKEEPSALIVE = 1;
regId = pROT.Register(ROTFLAGS_REGISTRATIONKEEPSALIVE, obj, pMoniker);
retval[0] = 0;
retval[1] = regId;
return(retval);
}
/// <summary>
/// Erzeugt eine neue Anmeldung.
/// </summary>
/// <param name="comObject">Ein beliebiges Objekt.</param>
/// <exception cref="ArgumentNullException">Es wurde kein Objekt angegeben.</exception>
public ROTRegister(object comObject)
{
// Validate
if (comObject == null)
{
throw new ArgumentNullException("comObject");
}
// Attach to ROT
if (GetRunningObjectTable(0, out m_ROT) < 0)
{
return;
}
// Attach to COM interface
IntPtr unk = Marshal.GetIUnknownForObject(comObject);
try
{
// Create the name
string moniker = string.Format("FilterGraph {0:x8} pid {1:x8}", unk.ToInt32(), Process.GetCurrentProcess().Id);
// Create the item moniker for the format
comTypes.IMoniker mon;
if (CreateItemMoniker("!", moniker, out mon) >= 0)
{
try
{
// Register
m_Register = m_ROT.Register(1, comObject, mon);
}
finally
{
// Back to COM
BDAEnvironment.Release(ref mon);
}
}
}
finally
{
// Back to COM
BDAEnvironment.Release(ref unk);
}
}