/// <include file='doc\PerformanceCounterInstaller.uex' path='docs/doc[@for="PerformanceCounterInstaller.CopyFromComponent"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override void CopyFromComponent(IComponent component)
{
if (!(component is PerformanceCounter))
{
throw new ArgumentException(Res.GetString(Res.NotAPerformanceCounter));
}
PerformanceCounter counter = (PerformanceCounter)component;
if (counter.CategoryName == null || counter.CategoryName.Length == 0)
{
throw new ArgumentException(Res.GetString(Res.IncompletePerformanceCounter));
}
if (Counters.Count > 0 && !CategoryName.Equals(counter.CategoryName))
{
throw new ArgumentException(Res.GetString(Res.NewCategory));
}
PerformanceCounterType counterType = PerformanceCounterType.NumberOfItems32;
string counterHelp = string.Empty;
if (CategoryName == null || string.Empty.Equals(CategoryName))
{
CategoryName = counter.CategoryName;
if (Environment.OSVersion.Platform == PlatformID.Win32NT)
{
string machineName = counter.MachineName;
if (PerformanceCounterCategory.Exists(CategoryName, machineName))
{
string keyPath = ServicePath + "\\" + CategoryName + "\\Performance";
RegistryKey key = null;
try {
if (machineName == "." || String.Compare(machineName, SystemInformation.ComputerName, true, CultureInfo.InvariantCulture) == 0)
{
key = Registry.LocalMachine.OpenSubKey(keyPath);
}
else
{
RegistryKey baseKey = RegistryKey.OpenRemoteBaseKey(RegistryHive.LocalMachine, "\\\\" + machineName);
key = baseKey.OpenSubKey(keyPath);
}
if (key == null)
{
throw new ArgumentException(Res.GetString(Res.NotCustomPerformanceCategory));
}
object systemDllName = key.GetValue("Library");
if (systemDllName == null || !(systemDllName is string) || String.Compare((string)systemDllName, PerfShimName, true, CultureInfo.InvariantCulture) != 0)
{
throw new ArgumentException(Res.GetString(Res.NotCustomPerformanceCategory));
}
PerformanceCounterCategory pcat = new PerformanceCounterCategory(CategoryName, machineName);
CategoryHelp = pcat.CategoryHelp;
if (pcat.CounterExists(counter.CounterName))
{
counterType = counter.CounterType;
counterHelp = counter.CounterHelp;
}
}
finally {
if (key != null)
{
key.Close();
}
}
}
}
}
CounterCreationData data = new CounterCreationData(counter.CounterName, counterHelp, counterType);
Counters.Add(data);
}
public override void CopyFromComponent(IComponent component)
{
if (!(component is PerformanceCounter))
{
throw new ArgumentException(Res.GetString("NotAPerformanceCounter"));
}
PerformanceCounter counter = (PerformanceCounter)component;
if ((counter.CategoryName == null) || (counter.CategoryName.Length == 0))
{
throw new ArgumentException(Res.GetString("IncompletePerformanceCounter"));
}
if (!this.CategoryName.Equals(counter.CategoryName) && !string.IsNullOrEmpty(this.CategoryName))
{
throw new ArgumentException(Res.GetString("NewCategory"));
}
PerformanceCounterType counterType = PerformanceCounterType.NumberOfItems32;
string counterHelp = string.Empty;
if (string.IsNullOrEmpty(this.CategoryName))
{
this.CategoryName = counter.CategoryName;
}
if (Environment.OSVersion.Platform == PlatformID.Win32NT)
{
string machineName = counter.MachineName;
if (PerformanceCounterCategory.Exists(this.CategoryName, machineName))
{
string name = @"SYSTEM\CurrentControlSet\Services\" + this.CategoryName + @"\Performance";
RegistryKey key = null;
try
{
if ((machineName == ".") || (string.Compare(machineName, SystemInformation.ComputerName, StringComparison.OrdinalIgnoreCase) == 0))
{
key = Registry.LocalMachine.OpenSubKey(name);
}
else
{
key = RegistryKey.OpenRemoteBaseKey(RegistryHive.LocalMachine, @"\\" + machineName).OpenSubKey(name);
}
if (key == null)
{
throw new ArgumentException(Res.GetString("NotCustomPerformanceCategory"));
}
object obj2 = key.GetValue("Library");
if (((obj2 == null) || !(obj2 is string)) || (string.Compare((string)obj2, "netfxperf.dll", StringComparison.OrdinalIgnoreCase) != 0))
{
throw new ArgumentException(Res.GetString("NotCustomPerformanceCategory"));
}
PerformanceCounterCategory category = new PerformanceCounterCategory(this.CategoryName, machineName);
this.CategoryHelp = category.CategoryHelp;
if (category.CounterExists(counter.CounterName))
{
counterType = counter.CounterType;
counterHelp = counter.CounterHelp;
}
this.CategoryType = category.CategoryType;
}
finally
{
if (key != null)
{
key.Close();
}
}
}
}
CounterCreationData data = new CounterCreationData(counter.CounterName, counterHelp, counterType);
this.Counters.Add(data);
}