private void refresh()
{
ProcessEntry32 processInfo = new ProcessEntry32();
ProcessTimes processTimes = new ProcessTimes();
IntPtr processList, processHandle = ProcessCPU.PROCESS_HANDLE_ERROR;
ProcessData currentProcessData;
int index, total = 0;
bool noError;
processList = ProcessCPU.CreateToolhelp32Snapshot(ProcessCPU.TH32CS_SNAPPROCESS, 0);
if (processList == ProcessCPU.PROCESS_LIST_ERROR)
{
return;
}
processInfo.Size = ProcessCPU.PROCESS_ENTRY_32_SIZE;
noError = ProcessCPU.Process32First(processList, ref processInfo);
IdList.Clear();
while (noError)
{
try
{
processHandle = ProcessCPU.OpenProcess(ProcessCPU.PROCESS_ALL_ACCESS, false, processInfo.ID);
ProcessCPU.GetProcessTimes(
processHandle,
out processTimes.RawCreationTime,
out processTimes.RawExitTime,
out processTimes.RawKernelTime,
out processTimes.RawUserTime);
processTimes.ConvertTime();
currentProcessData = processExists(processInfo.ID);
IdList.Add(processInfo.ID);
if (currentProcessData == null)
{
index = ProcessDataList.Add(new ProcessData(
processInfo.ID,
processInfo.ExeFilename,
processTimes.UserTime.Ticks,
processTimes.KernelTime.Ticks));
if (processInfo.ID != 0)
{
AddProcess((ProcessData)ProcessDataList[index]);
}
}
else
{
total += currentProcessData.UpdateCpuUsage(
processTimes.UserTime.Ticks,
processTimes.KernelTime.Ticks);
}
}
finally
{
if (processHandle != ProcessCPU.PROCESS_HANDLE_ERROR)
{
ProcessCPU.CloseHandle(processHandle);
}
noError = ProcessCPU.Process32Next(processList, ref processInfo);
}
}
ProcessCPU.CloseHandle(processList);
index = 0;
while (index < ProcessDataList.Count)
{
ProcessData TempProcess = (ProcessData)ProcessDataList[index];
if (IdList.Contains(TempProcess.Id))
{
index++;
}
else
{
Processes.Remove(TempProcess);
ProcessDataList.RemoveAt(index);
}
}
NotifyPropertyChanged("Processes");
}
public static extern bool Process32Next(IntPtr Handle, ref ProcessEntry32 ProcessInfo);