public static void InstanceDataCollectionCollection_CopyTo()
{
InstanceDataCollectionCollection idcc = GetInstanceDataCollectionCollection();
InstanceDataCollection[] idc = new InstanceDataCollection[idcc.Values.Count];
idcc.CopyTo(idc, 0);
Assert.True(idc.Length > 0);
}
//</snippet7>
public static void Main()
{
string catNumStr;
int categoryNum;
PerformanceCounterCategory[] categories = PerformanceCounterCategory.GetCategories();
// Create and sort an array of category names.
string[] categoryNames = new string[categories.Length];
int catX;
for (catX = 0; catX < categories.Length; catX++)
{
categoryNames[catX] = categories[catX].CategoryName;
}
Array.Sort(categoryNames);
Console.WriteLine("These categories are registered on this computer:");
for (catX = 0; catX < categories.Length; catX++)
{
Console.WriteLine("{0,4} - {1}", catX + 1, categoryNames[catX]);
}
// Ask the user to choose a category.
Console.Write("Enter the category number from the above list: ");
catNumStr = Console.ReadLine();
// Validate the entered category number.
try
{
categoryNum = int.Parse(catNumStr);
if (categoryNum < 1 || categoryNum > categories.Length)
{
throw new Exception(String.Format("The category number must be in the " +
"range 1..{0}.", categories.Length));
}
categoryName = categoryNames[(categoryNum - 1)];
}
catch (Exception ex)
{
Console.WriteLine("\"{0}\" is not a valid category number." +
"\r\n{1}", catNumStr, ex.Message);
return;
}
//<snippet5>
//<snippet6>
// Process the InstanceDataCollectionCollection for this category.
PerformanceCounterCategory pcc = new PerformanceCounterCategory(categoryName);
InstanceDataCollectionCollection idColCol = pcc.ReadCategory();
InstanceDataCollection[] idColArray = new InstanceDataCollection[idColCol.Count];
Console.WriteLine("InstanceDataCollectionCollection for \"{0}\" " +
"has {1} elements.", categoryName, idColCol.Count);
//</snippet6>
// Copy and process the InstanceDataCollection array.
idColCol.CopyTo(idColArray, 0);
foreach (InstanceDataCollection idCol in idColArray)
{
ProcessInstanceDataCollection(idCol);
}
//</snippet5>
}