private void cboCategory_SelectedIndexChanged(object sender, EventArgs e)
{
if (cboCategory.Text.Length > 0)
{
try
{
PerformanceCounter[] pcs;
cboCounter.Items.Clear();
cboCounter.Text = "";
cboInstance.Items.Clear();
cboInstance.Text = "";
PerformanceCounterCategory pcCat = new PerformanceCounterCategory(cboCategory.Text, txtComputer.Text);
string instanceName = "";
if (pcCat.CategoryType == PerformanceCounterCategoryType.MultiInstance)
{
string[] instances = pcCat.GetInstanceNames();
foreach (string instanceNameItem in instances)
{
cboInstance.Items.Add(instanceNameItem);
}
if (instances.Length > 0)
{
instanceName = pcCat.GetInstanceNames()[0];
}
pcs = pcCat.GetCounters(instanceName);
}
else
{
pcs = pcCat.GetCounters();
}
foreach (PerformanceCounter pc in pcs)
{
cboCounter.Items.Add(pc.CounterName);
}
if (InitialCounter != null && InitialCounter.Length > 0)
{
for (int i = 0; i < cboCounter.Items.Count; i++)
{
if (cboCounter.Items[i].ToString().ToLower() == InitialCounter.ToLower())
{
cboCounter.SelectedIndex = i;
break;
}
}
}
if (InitialInstance != null && InitialInstance.Length > 0)
{
for (int i = 0; i < cboInstance.Items.Count; i++)
{
if (cboInstance.Items[i].ToString().ToLower() == InitialInstance.ToLower())
{
cboInstance.SelectedIndex = i;
break;
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
CheckForValidCounter();
}
private void lvwCategories_SelectedIndexChanged(object sender, EventArgs e)
{
if (lvwCategories.SelectedItems.Count > 0)
{
try
{
PerformanceCounter[] pcs;
lvwCounters.Items.Clear();
lvwInstances.Items.Clear();
string category = lvwCategories.SelectedItems[0].Text;
string machineName = ConfigVariables.ApplyOn(txtComputer.Text);
PerformanceCounterCategory pcCat = new PerformanceCounterCategory(category, machineName);
string instanceName = "";
if (pcCat.CategoryType == PerformanceCounterCategoryType.MultiInstance)
{
string[] instances = pcCat.GetInstanceNames();
foreach (string instanceNameItem in (from string s in instances
orderby s
select s))
{
ListViewItem lvi = new ListViewItem(instanceNameItem);
if (instanceNameItem.ToLower() == InitialInstance.ToLower())
{
lvi.Selected = true;
}
lvwInstances.Items.Add(lvi);
}
if (instances.Length > 0)
{
instanceName = pcCat.GetInstanceNames()[0];
}
pcs = pcCat.GetCounters(instanceName);
}
else
{
pcs = pcCat.GetCounters();
}
foreach (PerformanceCounter pc in (from p in pcs
orderby p.CounterName
select p))
{
ListViewItem lvi = new ListViewItem(pc.CounterName);
if (pc.CounterName.ToLower() == InitialCounter.ToLower())
{
lvi.Selected = true;
}
lvwCounters.Items.Add(lvi);
}
if (lvwInstances.SelectedItems.Count > 0)
{
lvwInstances.SelectedItems[0].EnsureVisible();
}
if (lvwCounters.SelectedItems.Count > 0)
{
lvwCounters.SelectedItems[0].EnsureVisible();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
CheckForValidCounter();
}
