public override void SetKeepAwakeRequirement(KeepAwakeRequirement requirement)
{
base.SetKeepAwakeRequirement(requirement);
EXECUTION_STATE newState;
switch (requirement)
{
case KeepAwakeRequirement.Clear:
newState = EXECUTION_STATE.ES_CONTINUOUS;
break;
case KeepAwakeRequirement.Screen:
newState = EXECUTION_STATE.ES_CONTINUOUS | EXECUTION_STATE.ES_DISPLAY_REQUIRED;
break;
case KeepAwakeRequirement.System:
newState = EXECUTION_STATE.ES_CONTINUOUS | EXECUTION_STATE.ES_SYSTEM_REQUIRED;
break;
case KeepAwakeRequirement.Screen | KeepAwakeRequirement.System:
newState = EXECUTION_STATE.ES_CONTINUOUS | EXECUTION_STATE.ES_DISPLAY_REQUIRED | EXECUTION_STATE.ES_SYSTEM_REQUIRED;
break;
default:
throw new ArgumentOutOfRangeException(nameof(requirement), requirement, null);
}
var result = Native.SetThreadExecutionState(newState);
if (result == 0)
{
throw new InvalidOperationException("SetThreadExecutionState failed for some reason.");
}
state = (EXECUTION_STATE)result;
}
public virtual void SetKeepAwakeRequirement(KeepAwakeRequirement requirement)
{
if (requirement == GetKeepAwakeRequirement())
{
return;
}
if ((requirement & KeepAwakeRequirement.Clear) != 0 && (
(requirement & KeepAwakeRequirement.Screen) != 0 || (requirement & KeepAwakeRequirement.System) != 0))
{
throw new InvalidOperationException("Invalid combination of flags");
}
}
public static KeepAwakeContext Create(KeepAwakeRequirement requirement)
{
Instance.Value.SetKeepAwakeRequirement(requirement);
return(Instance.Value);
}
