Class Power

Definition

Namespace:: Tizen.System

Assembly:: Tizen.System.dll

API Level:: 3

Privilege Level:: public

Privilege:: http://tizen.org/privilege/display

The Power class provides methods to control the power service.


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public static class Power

Inheritance: System.Object

Power

Remarks

The Power API provides the way to control the power service. It can be made to hold the specific state to avoid the CPU state internally.

Methods

View Source

ReleaseCpuLock()

[Obsolete("Please do not use! this will be deprecated")]

Declaration


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[Obsolete("Please do not use! This will be deprecated! Please use ReleaseLock instead!")]
public static void ReleaseCpuLock()

Exceptions

Type	Condition
UnauthorizedAccessException	If the privilege is not set.
System.InvalidOperationException	In case of any system error.

API Level: 3

View Source

ReleaseLock(PowerLock)

Releases the lock state.

Declaration


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public static void ReleaseLock(PowerLock type)

Parameters

Type	Name	Description
PowerLock	type	The power type to request lock.

Examples


                
                
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Tizen.System.Power.ReleaseLock(Tizen.System.Power.PowerLock.Cpu);

Exceptions

Type	Condition
System.ArgumentException	When an invalid parameter value is set.
UnauthorizedAccessException	If the privilege is not set.
System.InvalidOperationException	In case of any system error.

API Level: 5

View Source

RequestCpuLock(Int32)

[Obsolete("Please do not use! this will be deprecated")]

Declaration


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[Obsolete("Please do not use! This will be deprecated! Please use RequestLock instead!")]
public static void RequestCpuLock(int timeout)

Parameters

Type	Name	Description
Int32	timeout	The positive number in milliseconds or 0 for the permanent lock. So you must release the permanent lock of the power state with ReleaseCpuLock() if timeout_ms is zero.

Remarks

If the process dies, then every lock will be removed.

Exceptions

Type	Condition
System.ArgumentException	When an invalid parameter value is set.
UnauthorizedAccessException	If the privilege is not set.
System.InvalidOperationException	In case of any system error.

API Level: 3

View Source

RequestLock(PowerLock, Int32)

Locks the given lock state for a specified time. After the given timeout (in milliseconds), unlock the given lock state automatically.

Declaration


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public static void RequestLock(PowerLock type, int timeout)

Parameters

Type	Name	Description
PowerLock	type	The power type to request lock.
Int32	timeout	The positive number in milliseconds or 0 for the permanent lock. So you must release the permanent lock of the power state with ReleaseLock() if timeout_ms is zero.

Remarks

If the process dies, then every lock will be removed.

Examples


                
                
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Tizen.System.Power.RequestLock(Tizen.System.Power.PowerLock.Cpu, 2000);

Exceptions

Type	Condition
System.ArgumentException	When an invalid parameter value is set.
UnauthorizedAccessException	If the privilege is not set.
System.InvalidOperationException	In case of any system error.