public static void Delete(string categoryName)
{
CheckValidCategory(categoryName);
string machineName = ".";
new PerformanceCounterPermission(PerformanceCounterPermissionAccess.Administer, machineName, categoryName).Demand();
SharedUtils.CheckNtEnvironment();
categoryName = categoryName.ToLower(CultureInfo.InvariantCulture);
Mutex mutex = null;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
SharedUtils.EnterMutex("netfxperf.1.0", ref mutex);
if (!PerformanceCounterLib.IsCustomCategory(machineName, categoryName))
{
throw new InvalidOperationException(SR.GetString("CantDeleteCategory"));
}
SharedPerformanceCounter.RemoveAllInstances(categoryName);
PerformanceCounterLib.UnregisterCategory(categoryName);
PerformanceCounterLib.CloseAllLibraries();
}
finally
{
if (mutex != null)
{
mutex.ReleaseMutex();
mutex.Close();
}
}
}
/// <summary>
/// Removes the counter (category) from the system
/// </summary>
public static void Delete(string categoryName)
{
CheckValidCategory(categoryName);
string machineName = ".";
categoryName = categoryName.ToLowerInvariant();
Mutex mutex = null;
try
{
NetFrameworkUtils.EnterMutex(PerfMutexName, ref mutex);
if (!PerformanceCounterLib.IsCustomCategory(machineName, categoryName))
{
throw new InvalidOperationException(SR.CantDeleteCategory);
}
SharedPerformanceCounter.RemoveAllInstances(categoryName);
PerformanceCounterLib.UnregisterCategory(categoryName);
PerformanceCounterLib.CloseAllLibraries();
}
finally
{
if (mutex != null)
{
mutex.ReleaseMutex();
mutex.Close();
}
}
}
private static void DeleteCategory(string categoryName, string machineName)
{
CheckValidCategory(categoryName);
if (machineName != "." && String.Compare(machineName, PerformanceCounterLib.ComputerName, true, CultureInfo.InvariantCulture) != 0)
{
throw new NotSupportedException(SR.GetString(SR.RemoteCounterAdmin));
}
if (!SyntaxCheck.CheckMachineName(machineName))
{
throw new ArgumentException(SR.GetString(SR.InvalidParameter, "machineName", machineName));
}
PerformanceCounterPermission permission = new PerformanceCounterPermission(PerformanceCounterPermissionAccess.Administer, machineName, categoryName);
permission.Demand();
SharedUtils.CheckNtEnvironment();
Mutex mutex = SharedUtils.EnterMutex(perfMutexName);
try {
if (!PerformanceCounterLib.IsCustomCategory(machineName, categoryName))
{
throw new InvalidOperationException(SR.GetString(SR.CantDeleteCategory));
}
PerformanceCounterLib.UnregisterCategory(machineName, categoryName);
}
finally {
mutex.ReleaseMutex();
mutex.Close();
}
}
