本文整理汇总了C#中System.Diagnostics.PerformanceCounterCategory.InstanceExists方法的典型用法代码示例。如果您正苦于以下问题：C# PerformanceCounterCategory.InstanceExists方法的具体用法？C# PerformanceCounterCategory.InstanceExists怎么用？C# PerformanceCounterCategory.InstanceExists使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Diagnostics.PerformanceCounterCategory的用法示例。
在下文中一共展示了PerformanceCounterCategory.InstanceExists方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Main
public static void Main(string[] args)
{
string categoryName = "";
string instanceName = "";
string machineName = "";
bool objectExists = false;
PerformanceCounterCategory pcc;
const string SINGLE_INSTANCE_NAME = "systemdiagnosticsperfcounterlibsingleinstance";
// Copy the supplied arguments into the local variables.
try
{
categoryName = args[0];
instanceName = args[1];
machineName = (args[2]=="."? "": args[2]);
}
catch(Exception ex)
{
// Ignore the exception from non-supplied arguments.
}
// Use the given instance name or use the default single-instance name.
if (instanceName.Length==0)
{
instanceName = SINGLE_INSTANCE_NAME;
}
try
{
if (machineName.Length==0)
{
pcc = new PerformanceCounterCategory(categoryName);
}
else
{
pcc = new PerformanceCounterCategory(categoryName, machineName);
}
// Check whether the instance exists.
// Use the per-instance overload of InstanceExists.
objectExists = pcc.InstanceExists(instanceName);
}
catch(Exception ex)
{
Console.WriteLine("Unable to check for the existence of " +
"instance \"{0}\" in category \"{1}\" on " +
(machineName.Length>0? "computer \"{2}\":": "this computer:") +
"\n" + ex.Message, instanceName, categoryName, machineName);
return;
}
// Tell the user whether the instance exists.
Console.WriteLine("Instance \"{0}\" " + (objectExists? "exists": "does not exist") +
" in category \"{1}\" on " + (machineName.Length>0? "computer \"{2}\".": "this computer."),
instanceName, pcc.CategoryName, pcc.MachineName);
}示例2: Main
public static void Main(string[] args)
{
string categoryName = "";
string instanceName = "";
string machineName = "";
bool objectExists = false;
const string SINGLE_INSTANCE_NAME = "systemdiagnosticsperfcounterlibsingleinstance";
// Copy the supplied arguments into the local variables.
try
{
categoryName = args[0];
instanceName = args[1];
machineName = args[2]=="."? "": args[2];
}
catch(Exception ex)
{
// Ignore the exception from non-supplied arguments.
}
// Use the given instance name or use the default single-instance name.
if (instanceName.Length==0)
{
instanceName = SINGLE_INSTANCE_NAME;
}
try
{
// Check whether the specified instance exists.
// Use the static forms of the InstanceExists method.
if (machineName.Length==0)
{
objectExists = PerformanceCounterCategory.InstanceExists(instanceName, categoryName);
}
else
{
objectExists = PerformanceCounterCategory.InstanceExists(instanceName, categoryName, machineName);
}
}
catch(Exception ex)
{
Console.WriteLine("Unable to check for the existence of " +
"instance \"{0}\" in category \"{1}\" on " +
(machineName.Length>0? "computer \"{2}\":": "this computer:") + "\n" +
ex.Message, instanceName, categoryName, machineName);
return;
}
// Tell the user whether the instance exists.
Console.WriteLine("Instance \"{0}\" " + (objectExists? "exists": "does not exist") +
" in category \"{1}\" on " + (machineName.Length>0? "computer \"{2}\".": "this computer."),
instanceName, categoryName, machineName);
}