我需要使用 WMI 获取计算机的电源设置。我正在使用MSDN Link以获得所需的值。我需要返回列表中的特定值。以下 C# 代码执行此操作:
string NamespacePath = @"root\cimv2\power";
string powerPlanClass = "Win32_powerplan";
string powerSettingClass = "Win32_PowerSettingDataIndex";
ManagementClass powerPlanManagementClass = new ManagementClass(NamespacePath + ":" + powerPlanClass);
ManagementObject powerPlanManagementObject = null;
foreach (ManagementObject managementObject in powerPlanManagementClass.GetInstances())
{
if (managementObject["IsActive"] != null && Boolean.Parse(managementObject["IsActive"].ToString()))
{
powerPlanManagementObject = managementObject;
}
}
Dictionary<string, PowerSetting> powerItems = new Dictionary<string, PowerSetting>()
{
{"AC", new PowerSetting() },
{"DC", new PowerSetting() }
};
foreach (ManagementObject oObject in powerPlanManagementObject.GetRelated(powerSettingClass))
{
var instanceId = oObject["instanceId"];
string[] powerSourceSettings = instanceId.ToString().Split(new string[] { @"\" }, StringSplitOptions.RemoveEmptyEntries);
var powerSourceType = powerSourceSettings[2];
ManagementObjectCollection managementObjects = oObject.GetRelated("Win32_PowerSetting");
var elementName = string.Empty;
foreach (var managementObject in managementObjects)
{
elementName = managementObject["ElementName"].ToString();
}
var indexValue = uint.Parse(oObject["settingindexvalue"].ToString());
if (elementName.Equals("Hibernate after",StringComparison.OrdinalIgnoreCase))
{
if (powerSourceType.Equals("AC", StringComparison.Ordinal))
{
powerItems["AC"].HibernateAfter = indexValue;
}
}
}
注意与字符串“Hibernate after”的匹配。这适用于区域设置为 en-us 的计算机,但不适用于其他区域设置。有没有其他方法可以获取独立于计算机区域设置的 WMI 属性?
最佳答案
也许您可以在 Win32_PowerSetting 的 InstanceID
中使用 GUID类而不是 ElementName
。在我的机器中,它是 Microsoft:PowerSetting\{9d7815a6-7ee4-497e-8888-515a05f02364}
。虽然我找不到官方文档,但这个 GUID,9d7815a6-7ee4-497e-8888-515a05f02364
似乎对于某些 Windows 版本和区域设置来说很常见,作为“休眠后”或“休眠空闲”的标识符”。
关于c# - 获取独立于文化(区域设置)的 WMI 属性,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/36024566/