public SubGroupNode(Guid schemeGuid, Guid subGroupGuid, PersistentSettings settings)
{
this.settings = settings;
this.schemeGuid = schemeGuid;
this.subGroup = new SettingSubGroup();
this.subGroup.Guid = subGroupGuid.ToString();
IntPtr friendlyName = Marshal.AllocHGlobal(1000);
IntPtr powerSchemeGuidPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Guid)));
IntPtr groupGuidPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Guid)));
uint bufferSize = 1000;
try
{
Marshal.StructureToPtr(schemeGuid, powerSchemeGuidPtr, true);
Marshal.StructureToPtr(subGroupGuid, groupGuidPtr, true);
//Pass the guid retrieved in PowerEnumerate as
//parameter to get the sub group name.
NativeMethods.PowerReadFriendlyName(IntPtr.Zero,
powerSchemeGuidPtr, groupGuidPtr, IntPtr.Zero, friendlyName, ref bufferSize);
string subGroupName = Marshal.PtrToStringUni(friendlyName);
this.subGroup.Name = subGroupName;
this.subGroup.Description = PowerManager.GetDescription(schemeGuid.ToString(), subGroup.Guid, null);
}
finally
{
Marshal.FreeHGlobal(powerSchemeGuidPtr);
Marshal.FreeHGlobal(groupGuidPtr);
Marshal.FreeHGlobal(friendlyName);
}
}
public SchemeNode(Guid schemeGuid, PersistentSettings settings)
: base()
{
this.settings = settings;
this.powerScheme = new PowerScheme();
this.powerScheme.Guid = schemeGuid.ToString();
IntPtr ptrToPowerSchemeGuid = IntPtr.Zero;
IntPtr friendlyName = IntPtr.Zero;
uint buffSize = 1000;
try
{
friendlyName = Marshal.AllocHGlobal((int)buffSize);
ptrToPowerSchemeGuid = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Guid)));
Marshal.StructureToPtr(schemeGuid, ptrToPowerSchemeGuid, true);
//Pass the guid retrieved in PowerEnumerate as parameter
//to get the power scheme name.
NativeMethods.PowerReadFriendlyName(
IntPtr.Zero, ptrToPowerSchemeGuid, IntPtr.Zero, IntPtr.Zero,
friendlyName, ref buffSize);
this.powerScheme.Name = Marshal.PtrToStringUni(friendlyName);
this.powerScheme.Description = PowerManager.GetDescription(powerScheme.Guid, null, null);
}
catch (Exception exception)
{
throw new PowerManagerException(exception.Message, exception);
}
finally
{
Marshal.FreeHGlobal(ptrToPowerSchemeGuid);
Marshal.FreeHGlobal(friendlyName);
}
}
public SettingNode(Guid powerSchemeGuid, Guid subGroupGuid, Guid powerSettingGuid, PersistentSettings settings)
: base()
{
this.settings = settings;
this.powerSchemeGuid = powerSchemeGuid;
this.subGroupGuid = subGroupGuid;
uint returnCode = 0;
IntPtr friendlyName = IntPtr.Zero;
IntPtr settingGuidPtr = IntPtr.Zero;
IntPtr subGroupGuidPtr = IntPtr.Zero;
IntPtr powerSchemeGuidPtr = IntPtr.Zero;
try
{
friendlyName = Marshal.AllocHGlobal(1000);
settingGuidPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Guid)));
subGroupGuidPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Guid)));
powerSchemeGuidPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Guid)));
uint bufferSize = 1000;
Marshal.StructureToPtr(powerSchemeGuid, powerSchemeGuidPtr, true);
Marshal.StructureToPtr(subGroupGuid, subGroupGuidPtr, true);
Marshal.StructureToPtr(powerSettingGuid, settingGuidPtr, true);
//Get the power setting name.
NativeMethods.PowerReadFriendlyName(
IntPtr.Zero, powerSchemeGuidPtr, subGroupGuidPtr, settingGuidPtr,
friendlyName, ref bufferSize);
string settingName = Marshal.PtrToStringUni(friendlyName);
powerSetting = new PowerSetting();
powerSetting.Name = settingName;
powerSetting.Guid = powerSettingGuid.ToString();
powerSetting.Description = PowerManager.GetDescription(powerSchemeGuid.ToString(), subGroupGuid.ToString(), powerSetting.Guid);
returnCode = NativeMethods.PowerReadACValueIndex(
IntPtr.Zero, powerSchemeGuidPtr, subGroupGuidPtr, settingGuidPtr, ref acValue);
returnCode = NativeMethods.PowerReadDCValueIndex(
IntPtr.Zero, powerSchemeGuidPtr, subGroupGuidPtr, settingGuidPtr, ref dcValue);
isRange = NativeMethods.PowerIsSettingRangeDefined(subGroupGuidPtr, settingGuidPtr);
// Bit mask !!!
isHidden = 1 == (NativeMethods.PowerReadSettingAttributes(subGroupGuidPtr, settingGuidPtr) & 1);
base.IsVisible = !isHidden;
if (isRange)
{
ReadNonindexedValues(subGroupGuidPtr, settingGuidPtr);
}
else
{
ReadIndexedValues(subGroupGuidPtr, settingGuidPtr);
}
}
catch (Exception exception)
{
throw new PowerManagerException(exception.Message, exception);
}
finally
{
Marshal.FreeHGlobal(friendlyName);
Marshal.FreeHGlobal(powerSchemeGuidPtr);
Marshal.FreeHGlobal(subGroupGuidPtr);
Marshal.FreeHGlobal(settingGuidPtr);
}
}
