PowerStatus.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / WinForms / Managed / System / WinForms / PowerStatus.cs / 1 / PowerStatus.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Windows.Forms { 
 
    /// 
    ///  
    ///    
    ///       To be supplied.
    ///    
    ///  
    public enum PowerLineStatus
    { 
        ///  
        /// 
        ///     To be supplied. 
        /// 
        Offline = 0,

        ///  
        /// 
        ///     To be supplied. 
        ///  
        Online = 1,
 
        /// 
        /// 
        ///     To be supplied.
        ///  
        Unknown = 255
    } 
 
    /// 
    ///  
    ///    
    ///       To be supplied.
    ///    
    ///  
    [Flags]
    public enum BatteryChargeStatus 
    { 
        /// 
        ///  
        ///     To be supplied.
        /// 
        High = 1,
 
        /// 
        ///  
        ///     To be supplied. 
        /// 
        Low = 2, 

        /// 
        /// 
        ///     To be supplied. 
        /// 
        Critical = 4, 
 
        /// 
        ///  
        ///     To be supplied.
        /// 
        Charging = 8,
 
        /// 
        ///  
        ///     To be supplied. 
        /// 
        NoSystemBattery = 128, 

        /// 
        /// 
        ///     To be supplied. 
        /// 
        Unknown = 255 
    } 

    ///  
    /// 
    ///    
    ///       To be supplied.
    ///     
    /// 
    public enum PowerState 
    { 
        /// 
        ///  
        ///     To be supplied.
        /// 
        Suspend = 0,
 
        /// 
        ///  
        ///     To be supplied. 
        /// 
        Hibernate = 1 
    }

    /// 
    ///  
    ///    
    ///       To be supplied. 
    ///     
    /// 
    public class PowerStatus 
    {
        private NativeMethods.SYSTEM_POWER_STATUS systemPowerStatus;

        internal PowerStatus() { 
        }
 
        ///  
        /// 
        ///    [To be supplied.] 
        /// 
        public PowerLineStatus PowerLineStatus
        {
            get 
            {
                UpdateSystemPowerStatus(); 
                return (PowerLineStatus)systemPowerStatus.ACLineStatus; 
            }
        } 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        public BatteryChargeStatus BatteryChargeStatus 
        { 
            get
            { 
                UpdateSystemPowerStatus();
                return (BatteryChargeStatus)systemPowerStatus.BatteryFlag;
            }
        } 

        ///  
        ///  
        ///    [To be supplied.]
        ///  
        public int BatteryFullLifetime
        {
            get
            { 
                UpdateSystemPowerStatus();
                return systemPowerStatus.BatteryFullLifeTime; 
            } 
        }
 
        /// 
        /// 
        ///    [To be supplied.]
        ///  
        public float BatteryLifePercent
        { 
            get 
            {
                UpdateSystemPowerStatus(); 
                float lifePercent = systemPowerStatus.BatteryLifePercent / 100f;
                return lifePercent > 1f ? 1f : lifePercent;
            }
        } 

        ///  
        ///  
        ///    [To be supplied.]
        ///  
        public int BatteryLifeRemaining
        {
            get
            { 
                UpdateSystemPowerStatus();
                return systemPowerStatus.BatteryLifeTime; 
            } 
        }
 
        private void UpdateSystemPowerStatus() {
            UnsafeNativeMethods.GetSystemPowerStatus(ref systemPowerStatus);
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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