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C# ManagementObject.Where方法代码示例

本文整理汇总了C#中System.Management.ManagementObject.Where方法的典型用法代码示例。如果您正苦于以下问题:C# ManagementObject.Where方法的具体用法?C# ManagementObject.Where怎么用?C# ManagementObject.Where使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在System.Management.ManagementObject的用法示例。


在下文中一共展示了ManagementObject.Where方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: getWmiCOMData

        /// <summary>
        /// Queries WMI for Bluetooth COM Ports. Provides useful information on the Console as it does.
        /// </summary>
        /// <returns></returns>
        private ManagementObject[] getWmiCOMData()
        {
            ManagementObject[] wmiObjects = null;
            ManagementObjectSearcher wmiSearcher = null;
            try
            {
                wmiSearcher = new ManagementObjectSearcher(@"select DeviceID,PNPDeviceID from Win32_SerialPort");

                ManagementObjectCollection tmpSearchResults = null;

                Logger.Info("Searching for Bluetooth COM devices");
                wmiSearcher = new ManagementObjectSearcher(@"root\cimv2", "SELECT Name,DeviceID,PNPDeviceID FROM Win32_SerialPort WHERE Name LIKE \"%Bluetooth%\"");
                tmpSearchResults = wmiSearcher.Get();

                Logger.Info("Found {0} devices, verifying...", tmpSearchResults.Count);
                wmiObjects = new ManagementObject[tmpSearchResults.Count];
                tmpSearchResults.CopyTo(wmiObjects, 0);

            }
            catch (System.Management.ManagementException e)
            {
                Console.WriteLine("Query " + wmiSearcher.Query.ToString() + " threw an exception!\n");
                throw e;
            }
            try
            {
                int i = 0;
                foreach (ManagementObject obj in wmiObjects)
                {
                    if ((obj["Name"] as String).Contains("Bluetooth") == false)
                    {
                        Logger.Warning("{0} is not a Bluetooth device! Removing from search results", obj["DeviceID"] as String);
                    }
                    else
                    {
                        wmiObjects[i] = obj;
                        ++i;
                    }
                }
            }
            catch (System.Management.ManagementException e)
            {
                Console.WriteLine("Exception: Unable to read a property from wmi object!\n");
                throw e;
            }

            /* Extremeley self-referencing code to get rid of WMI-detected COM ports that
             * have a MAC address of 000000000000 */
            wmiObjects = wmiObjects.Where(obj =>
                (obj["PNPDeviceID"] as String).Substring(
                (obj["PNPDeviceID"] as String).LastIndexOf('_') - MAC_ADDRESS_LENGTH, MAC_ADDRESS_LENGTH)
                != "000000000000").ToArray();

            Logger.Info("Verified {0} Bluetooth COM Device(s)", wmiObjects.Length);
            return wmiObjects;
        }
开发者ID:bittwiddler1,项目名称:SENSOR-AWARE-PERSONAL-TRAINER,代码行数:60,代码来源:ConfigurationDialog.cs


注:本文中的System.Management.ManagementObject.Where方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。