public static void UnregisterComObject(int id)
{
IBindCtx context = null;
IRunningObjectTable rot = null;
CreateBindCtx(0, out context);
context.GetRunningObjectTable(out rot);
try
{
rot.Revoke(id);
}
finally
{
if (rot != null)
{
while (Marshal.ReleaseComObject(rot) > 0)
{
;
}
}
if (context != null)
{
while (Marshal.ReleaseComObject(context) > 0)
{
;
}
}
}
}
public static bool RemoveGraphFromRot(ref int cookie)
{
IRunningObjectTable rot = null;
try {
int hr = GetRunningObjectTable(0, out rot);
if (hr < 0)
{
Marshal.ThrowExceptionForHR(hr);
}
rot.Revoke(cookie);
cookie = 0;
return(true);
}
catch (Exception)
{
return(false);
}
finally
{
if (rot != null)
{
Marshal.ReleaseComObject(rot);
}
rot = null;
}
}
/// <summary>Removes the graph from the running object table.</summary>
/// <param name="cookie">The cookie value for the registered graph.</param>
private static void RemoveGraphFromRot(RunningObjectTableCookie cookie)
{
if (!cookie.IsValid)
{
throw new ArgumentException("cookie");
}
IRunningObjectTable rot = null;
try
{
// Get the running object table and revoke the cookie
rot = GetRunningObjectTable(0);
rot.Revoke(cookie.Value);
cookie.IsValid = false;
}
finally
{
// Release the ROT
if (rot != null)
{
while (Marshal.ReleaseComObject(rot) > 0)
{
;
}
}
}
}
public static void ROTUnregister(ref int cookie)
{
// Revoke any existing file moniker. See Brockschmidt, Inside Ole 2nd ed. p988
IRunningObjectTable rot = GetROT();
if (0 != cookie)
{
rot.Revoke(cookie);
cookie = 0;
}
}
public void Dispose()
{
if (this.m_cookie != 0)
{
GC.SuppressFinalize(this);
IRunningObjectTable pprot = null;
DsError.ThrowExceptionForHR(GetRunningObjectTable(0, out pprot));
try
{
pprot.Revoke(this.m_cookie);
this.m_cookie = 0;
}
finally
{
Marshal.ReleaseComObject(pprot);
pprot = null;
}
}
}
void Dispose(bool disposing)
{
if (isDisposed)
{
return;
}
isDisposed = true;
try
{
rot.Revoke(hRotEntry);
}
catch (Exception) when(!disposing)
{
// no-op, on finalizer
}
this.rot = null;
this.Target = null;
}
private void Revoke()
{
if (moniker == null)
{
return;
}
if (cookie.HasValue)
{
IRunningObjectTable table = GetTable();
if (table != null)
{
try {
table.Revoke(cookie.Value);
} catch (COMException) {
// Realistically, there is no point trying to handle this exception.
}
}
}
}
public static bool RemoveGraphFromRot(ref int pdwRegister)
{
IRunningObjectTable rot = null;
try
{
Marshal.ThrowExceptionForHR(GetRunningObjectTable(0, out rot));
rot.Revoke(pdwRegister);
pdwRegister = 0;
return(true);
}
catch
{
return(false);
}
finally
{
if (rot != null)
{
Marshal.ReleaseComObject(rot);
}
}
}
public void Dispose()
{
if (m_cookie != 0)
{
GC.SuppressFinalize(this);
IRunningObjectTable rot = null;
// Get a pointer to the running object table
int hr = GetRunningObjectTable(0, out rot);
new HRESULT(hr).Throw();
try
{
// Remove our entry
rot.Revoke(m_cookie);
m_cookie = 0;
}
finally
{
Marshal.ReleaseComObject(rot);
rot = null;
}
}
}
