void StartMonitor()
{
// 初始化 totalCpuUsageMonitor，并登记CpuUsageValueArrayChanged事件.
if (chkTotalUsage.Checked)
{
totalCpuUsageMonitor = new TotalCpuUsageMonitor(1000, 100);
totalCpuUsageMonitor.CpuUsageValueArrayChanged +=
new EventHandler <CpuUsageValueArrayChangedEventArg>(
totalCpuUsageMonitor_CpuUsageValueArrayChanged);
totalCpuUsageMonitor.ErrorOccurred += new EventHandler <ErrorEventArgs>(
totalCpuUsageMonitor_ErrorOccurred);
}
// 初始化processCpuUsageMonitor，并登记 CpuUsageValueArrayChanged事件.
if (chkProcessCpuUsage.Checked && !string.IsNullOrEmpty(cmbProcess.SelectedItem as string))
{
processCpuUsageMonitor =
new ProcessCpuUsageMonitor(cmbProcess.SelectedItem as string, 1000, 100);
processCpuUsageMonitor.CpuUsageValueArrayChanged +=
new EventHandler <CpuUsageValueArrayChangedEventArg>(
processCpuUsageMonitor_CpuUsageValueArrayChanged);
processCpuUsageMonitor.ErrorOccurred += new EventHandler <ErrorEventArgs>(
processCpuUsageMonitor_ErrorOccurred);
}
// 更新用户界面.
btnStart.Enabled = false;
btnStop.Enabled = true;
}
void StartMonitor()
{
// Initialize the totalCpuUsageMonitor and register the CpuUsageValueArrayChanged
// event.
if (chkTotalUsage.Checked)
{
totalCpuUsageMonitor = new TotalCpuUsageMonitor(1000, 100);
totalCpuUsageMonitor.CpuUsageValueArrayChanged +=
new EventHandler <CpuUsageValueArrayChangedEventArg>(
totalCpuUsageMonitor_CpuUsageValueArrayChanged);
totalCpuUsageMonitor.ErrorOccurred += new EventHandler <ErrorEventArgs>(
totalCpuUsageMonitor_ErrorOccurred);
}
// Initialize the processCpuUsageMonitor and register the CpuUsageValueArrayChanged
// event.
if (chkProcessCpuUsage.Checked && !string.IsNullOrEmpty(cmbProcess.SelectedItem as string))
{
processCpuUsageMonitor =
new ProcessCpuUsageMonitor(cmbProcess.SelectedItem as string, 1000, 100);
processCpuUsageMonitor.CpuUsageValueArrayChanged +=
new EventHandler <CpuUsageValueArrayChangedEventArg>(
processCpuUsageMonitor_CpuUsageValueArrayChanged);
processCpuUsageMonitor.ErrorOccurred += new EventHandler <ErrorEventArgs>(
processCpuUsageMonitor_ErrorOccurred);
}
// Update the UI.
btnStart.Enabled = false;
btnStop.Enabled = true;
}
void processCpuUsageMonitor_ErrorOccurredHandler(object sender, ErrorEventArgs e)
{
if (processCpuUsageMonitor != null)
{
processCpuUsageMonitor.Dispose();
processCpuUsageMonitor = null;
var processCpuUsageSeries = chartProcessCupUsage.Series["ProcessCpuUsageSeries"];
processCpuUsageSeries.Points.Clear();
}
MessageBox.Show(e.Error.Message);
}
void StopMonitor()
{
if (totalCpuUsageMonitor != null)
{
totalCpuUsageMonitor.Dispose();
totalCpuUsageMonitor = null;
}
if (processCpuUsageMonitor != null)
{
processCpuUsageMonitor.Dispose();
processCpuUsageMonitor = null;
}
// 更新用户界面.
btnStart.Enabled = true;
btnStop.Enabled = false;
}
void StopMonitor()
{
if (totalCpuUsageMonitor != null)
{
totalCpuUsageMonitor.Dispose();
totalCpuUsageMonitor = null;
}
if (processCpuUsageMonitor != null)
{
processCpuUsageMonitor.Dispose();
processCpuUsageMonitor = null;
}
// 更新用户界面.
btnStart.Enabled = true;
btnStop.Enabled = false;
}
void StartMonitor()
{
// 初始化 totalCpuUsageMonitor，并登记CpuUsageValueArrayChanged事件.
if (chkTotalUsage.Checked)
{
totalCpuUsageMonitor = new TotalCpuUsageMonitor(1000, 100);
totalCpuUsageMonitor.CpuUsageValueArrayChanged +=
new EventHandler<CpuUsageValueArrayChangedEventArg>(
totalCpuUsageMonitor_CpuUsageValueArrayChanged);
totalCpuUsageMonitor.ErrorOccurred += new EventHandler<ErrorEventArgs>(
totalCpuUsageMonitor_ErrorOccurred);
}
// 初始化processCpuUsageMonitor，并登记 CpuUsageValueArrayChanged事件.
if (chkProcessCpuUsage.Checked && !string.IsNullOrEmpty(cmbProcess.SelectedItem as string))
{
processCpuUsageMonitor =
new ProcessCpuUsageMonitor(cmbProcess.SelectedItem as string, 1000, 100);
processCpuUsageMonitor.CpuUsageValueArrayChanged +=
new EventHandler<CpuUsageValueArrayChangedEventArg>(
processCpuUsageMonitor_CpuUsageValueArrayChanged);
processCpuUsageMonitor.ErrorOccurred += new EventHandler<ErrorEventArgs>(
processCpuUsageMonitor_ErrorOccurred);
}
// 更新用户界面.
btnStart.Enabled = false;
btnStop.Enabled = true;
}
void processCpuUsageMonitor_ErrorOccurredHandler(object sender, ErrorEventArgs e)
{
if (processCpuUsageMonitor != null)
{
processCpuUsageMonitor.Dispose();
processCpuUsageMonitor = null;
var processCpuUsageSeries = chartProcessCupUsage.Series["ProcessCpuUsageSeries"];
processCpuUsageSeries.Points.Clear();
}
MessageBox.Show(e.Error.Message);
}
/// <summary>
/// 增加可用进程到复合框.
/// </summary>
private void cmbProcess_DropDown(object sender, EventArgs e)
{
cmbProcess.DataSource = ProcessCpuUsageMonitor.GetAvailableProcesses();
cmbProcess.SelectedIndex = 0;
}
