mirror-processhacker/trunk/ProcessHacker/Components/TimerProperties.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;        
using ProcessHacker.Native.Api;
using ProcessHacker.Native.Objects;
using ProcessHacker.Native.Security;

namespace ProcessHacker.Components
{
    public partial class TimerProperties : UserControl
    {
        private TimerHandle _timerHandle;
        private NativeHandle<TimerAccess> _dupHandle;

        public TimerProperties(TimerHandle timerHandle)
        {
            InitializeComponent();

            _timerHandle = timerHandle;
            this.UpdateInfo();
        }

        private void UpdateInfo()
        {
            try
            {
                var basicInfo = _timerHandle.GetBasicInformation();

                labelSignaled.Text = basicInfo.TimerState.ToString();
                labelTimeRemaining.Text = (new TimeSpan(-basicInfo.RemainingTime)).ToString();
            }
            catch (Exception ex)
            {
                labelSignaled.Text = "(" + ex.Message + ")";
                labelTimeRemaining.Text = "(" + ex.Message + ")";
            }
        }

        private void buttonCancel_Click(object sender, EventArgs e)
        {
            try
            {
                _dupHandle = _timerHandle.Duplicate(TimerAccess.QueryState | TimerAccess.ModifyState);
                _timerHandle = TimerHandle.FromHandle(_dupHandle);
                _timerHandle.Cancel();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Process Hacker", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void timerUpdate_Tick(object sender, EventArgs e)
        {
            this.UpdateInfo();
        }
    }
}