private void Row_DoubleClick(object sender, MouseButtonEventArgs e)
{
//Ask the user if the process should be terminated in a popup window.
refreshTimer.Stop();
DataGridRow row = sender as DataGridRow;
ProcessRow processRow = row.Item as ProcessRow;
string messageText =
"Should Memory Warden kill this process?\n" +
"Name:\t" + processRow.nameText + "\n" +
"PID:\t" + processRow.PIDText + "\n" +
"Memory Usage: " + processRow.ramPercentText + "%";
MessageBoxResult queryUser = MessageBox.Show(this, messageText, "Kill Process", MessageBoxButton.YesNo, MessageBoxImage.Hand, MessageBoxResult.No);
if (queryUser == MessageBoxResult.Yes)
{
int processIndex = processesSorted.FindIndex(x => x.Id == processRow.PID);
if (processIndex == -1)
{
messageText = "Cannot kill process. \nBad internal index.";
DisplayErrorMessage(messageText, "Kill Process Failed");
Console.WriteLine(messageText);
return;
}
try { processesSorted[processIndex].Kill(); }
catch (Win32Exception exception)
{
messageText = "This process could not be killed.\n" + exception.Message;
DisplayErrorMessage(messageText, "Kill Process Failed");
}
catch (NotSupportedException exception)
{
messageText = "This is a remote process and cannot be killed.\n" + exception.Message;
DisplayErrorMessage(messageText, "Kill Process Failed");
}
catch (InvalidOperationException exception)
{
messageText = "This process does not exist anymore.\n" + exception.Message;
DisplayErrorMessage(messageText, "Kill Process Failed");
}
}
refreshTimer.Start();
}
private void RefreshProcessTable(uint minProcessCount, uint maxProcessCount, uint minMemoryPercent)
{
//Do all the work of rebuilding the processTable, attempting efficiency.
RefreshProcessLists();
CalculateTotalProcessMemory();
ObservableCollection <ProcessRow> processTableTemp = new ObservableCollection <ProcessRow>();
double cumulativeMemorySum = 0.0;
for (int n = 0; n < processes.Length; ++n)
{
//Don't care after these limits are reached
if (((cumulativeMemorySum > minMemoryPercent) && (n >= minProcessCount)) ||
(n >= maxProcessCount))
{
break;
}
ProcessRow temp = new ProcessRow(processes[n], totalProcessesMemory);
cumulativeMemorySum += temp.ramPercent;
processTableTemp.Add(temp);
}
if (processTable == null)
{
//First run, simply assign
processTable = processTableTemp;
}
else
{
//Now merge the temp table with the original
//Performance should be fine because these lists are kept small
foreach (ProcessRow tempRow in processTableTemp)
{
bool matchFound = false;
foreach (ProcessRow originalRow in processTable)
{
if (originalRow.PID == tempRow.PID)
{
originalRow.ramPercent = tempRow.ramPercent;
matchFound = true;
break;
}
}
if (!matchFound)
{
//Add the tempRow instead
processTable.Add(tempRow);
}
}
//Cleanup removed processes
ObservableCollection <ProcessRow> processesToRemove = new ObservableCollection <ProcessRow>();
foreach (ProcessRow originalRow in processTable)
{
bool matchFound = false;
foreach (ProcessRow tempRow in processTableTemp)
{
if (originalRow.PID == tempRow.PID)
{
matchFound = true;
break;
}
}
if (!matchFound)
{
//Old process not in new table
processesToRemove.Add(originalRow);
}
}
foreach (ProcessRow processToRemove in processesToRemove)
{
processTable.Remove(processToRemove);
}
}
}