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Gii thiu

i vi nhiu l do, bn c th cn phi truy cp thng tin phn cng ca hthng.Mt v d l khi bn to ra mt phn mm v bn mun t mt kha trnphn mm .

Mt trong nhng cch hiu qu nht lm nh vy l c c mt trong cc IDca phn cng trong my tnh mc tiu v k hoch phn mm ca bn n ch cth lm vic vi cc my tnh c cng mt ID.K t khi mt s ID phn cng (vkhng phi tt c trong s h) l duy nht, bn c rt n gin ch to ra mt kha!

Thng bo

Trong phin bn u tin ca bi vit ny, ti ngh rng ID x l c duy nht,nhng mt s ngi khc ni vi ti rng h kim tra ID b x l trong my tnhkhc nhau v i khi h a ra kt qu tng t.V vy, bn nn xem xt vic nyv khng c gng ch da vo b x l ID.Ti khuyn bn nn kt hp n vimt s ID khc nh bo mch ch, USB Controller, Bios, CD-ROM Drive v nh vy.

Mt v d khc l cn phi nhn c thng tin v a cng, phn vng ca n, vkhng gian min ph trn mi phn vng.Bn cng c th yu cu thng tin phncng khi lm vic trn mt ng dng a phng tin khi bn cn phi c thng tiny v cc thit b m thanh v thit b VGA ca my tnh mc tiu. Mt s dngtuyt vi ca ng dng ny l nhn c thng tin v b nh ca h thng v ccthng tin c gi tr nh cc a ch b nh in thoi, thit b b nh v nh vy.

S dng M

Trc ht, bn phi bit rng cc chc nng ng dng c s dng mtsSystem.Managementcc lp hc.V vy, bn cn thm dng m:

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s dng System.Management;

c c thng tin phn cng, bn cn to mt i tngcaManagementObjectSearcherlp.

CollapseManagementObjectSearcher tm kim = mi ManagementObjectSearcher (

"Select * from" + Key);

CcKeytrn cc m trn, l mt bin m c thay th bng d liu thch hp.Vd, c c thng tin ca CPU, bn phi thaythKeyviWin32_Processor.Mt danh sch y ca cc phm ny c ara di y:

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Win32_1394ControllerWin32_1394ControllerDeviceWin32_AccountWin32_AccountSIDWin32_ACEWin32_ActionCheck

Win32_AllocatedResourceWin32_ApplicationCommandLineWin32_ApplicationServiceWin32_AssociatedBatteryWin32_AssociatedProcessorMemoryWin32_BaseBoardWin32_BaseServiceWin32_BatteryWin32_BinaryWin32_BindImageActionWin32_BIOSWin32_BootConfigurationWin32_BusWin32_CacheMemoryWin32_CDROMDrive

Win32_CheckCheckWin32_CIMLogicalDeviceCIMDataFileWin32_ClassicCOMApplicationClassesWin32_ClassicCOMClassWin32_ClassicCOMClassSettingWin32_ClassicCOMClassSettingsWin32_ClassInfoActionWin32_ClientApplicationSettingWin32_CodecFileWin32_COMApplicationWin32_COMApplicationClassesWin32_COMApplicationSettingsWin32_COMClassWin32_ComClassAutoEmulatorWin32_ComClassEmulator

Win32_CommandLineAccessWin32_ComponentCategoryWin32_ComputerSystemWin32_ComputerSystemProcessorWin32_ComputerSystemProductWin32_COMSettingWin32_ConditionWin32_CreateFolderActionWin32_CurrentProbeWin32_DCOMApplicationWin32_DCOMApplicationAccessAllowedSettingWin32_DCOMApplicationLaunchAllowedSettingWin32_DCOMApplicationSettingWin32_DependentServiceWin32_Desktop

Win32_DesktopMonitorWin32_DeviceBusWin32_DeviceMemoryAddressWin32_DeviceSettingsWin32_DirectoryWin32_DirectorySpecificationWin32_DiskDriveWin32_DiskDriveToDiskPartitionWin32_DiskPartitionWin32_DisplayConfigurationWin32_DisplayControllerConfiguration

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Win32_DMAChannelWin32_DriverVXDWin32_DuplicateFileActionWin32_EnvironmentWin32_EnvironmentSpecificationWin32_ExtensionInfoActionWin32_Fan

Win32_FileSpecificationWin32_FloppyControllerWin32_FloppyDriveWin32_FontInfoActionWin32_GroupWin32_GroupUserWin32_HeatPipeWin32_IDEControllerWin32_IDEControllerDeviceWin32_ImplementedCategoryWin32_InfraredDeviceWin32_IniFileSpecificationWin32_InstalledSoftwareElementWin32_IRQResourceWin32_Keyboard

Win32_LaunchConditionWin32_LoadOrderGroupWin32_LoadOrderGroupServiceDependenciesWin32_LoadOrderGroupServiceMembersWin32_LogicalDiskWin32_LogicalDiskRootDirectoryWin32_LogicalDiskToPartitionWin32_LogicalFileAccessWin32_LogicalFileAuditingWin32_LogicalFileGroupWin32_LogicalFileOwnerWin32_LogicalFileSecuritySettingWin32_LogicalMemoryConfigurationWin32_LogicalProgramGroupWin32_LogicalProgramGroupDirectory

Win32_LogicalProgramGroupItemWin32_LogicalProgramGroupItemDataFileWin32_LogicalShareAccessWin32_LogicalShareAuditingWin32_LogicalShareSecuritySettingWin32_ManagedSystemElementResourceWin32_MemoryArrayWin32_MemoryArrayLocationWin32_MemoryDeviceWin32_MemoryDeviceArrayWin32_MemoryDeviceLocationWin32_MethodParameterClassWin32_MIMEInfoActionWin32_MotherboardDeviceWin32_MoveFileAction

Win32_MSIResourceWin32_NetworkAdapterWin32_NetworkAdapterConfigurationWin32_NetworkAdapterSettingWin32_NetworkClientWin32_NetworkConnectionWin32_NetworkLoginProfileWin32_NetworkProtocolWin32_NTEventlogFileWin32_NTLogEvent

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Win32_PerfRawData_NETFramework_NETCLRSecurityWin32_PerfRawData_Outlook_OutlookWin32_PerfRawData_PerfDisk_PhysicalDiskWin32_PerfRawData_PerfNet_BrowserWin32_PerfRawData_PerfNet_RedirectorWin32_PerfRawData_PerfNet_ServerWin32_PerfRawData_PerfNet_ServerWorkQueues

Win32_PerfRawData_PerfOS_CacheWin32_PerfRawData_PerfOS_MemoryWin32_PerfRawData_PerfOS_ObjectsWin32_PerfRawData_PerfOS_PagingFileWin32_PerfRawData_PerfOS_ProcessorWin32_PerfRawData_PerfOS_SystemWin32_PerfRawData_PerfProc_FullImage_CostlyWin32_PerfRawData_PerfProc_Image_CostlyWin32_PerfRawData_PerfProc_JobObjectWin32_PerfRawData_PerfProc_JobObjectDetailsWin32_PerfRawData_PerfProc_ProcessWin32_PerfRawData_PerfProc_ProcessAddressSpace_CostlyWin32_PerfRawData_PerfProc_ThreadWin32_PerfRawData_PerfProc_ThreadDetails_CostlyWin32_PerfRawData_RemoteAccess_RASPort

Win32_PerfRawData_RemoteAccess_RASTotalWin32_PerfRawData_RSVP_ACSPerRSVPServiceWin32_PerfRawData_Spooler_PrintQueueWin32_PerfRawData_TapiSrv_TelephonyWin32_PerfRawData_Tcpip_ICMPWin32_PerfRawData_Tcpip_IPWin32_PerfRawData_Tcpip_NBTConnectionWin32_PerfRawData_Tcpip_NetworkInterfaceWin32_PerfRawData_Tcpip_TCPWin32_PerfRawData_Tcpip_UDPWin32_PerfRawData_W3SVC_WebServiceWin32_PhysicalMemoryWin32_PhysicalMemoryArrayWin32_PhysicalMemoryLocationWin32_PNPAllocatedResource

Win32_PnPDeviceWin32_PnPEntityWin32_PointingDeviceWin32_PortableBatteryWin32_PortConnectorWin32_PortResourceWin32_POTSModemWin32_POTSModemToSerialPortWin32_PowerManagementEventWin32_PrinterWin32_PrinterConfigurationWin32_PrinterControllerWin32_PrinterDriverDllWin32_PrinterSettingWin32_PrinterShare

Win32_PrintJobWin32_PrivilegesStatusWin32_ProcessWin32_ProcessorWin32_ProcessStartupWin32_ProductWin32_ProductCheckWin32_ProductResourceWin32_ProductSoftwareFeaturesWin32_ProgIDSpecification

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Win32_ProgramGroupWin32_ProgramGroupContentsWin32_ProgramGroupOrItemWin32_PropertyWin32_ProtocolBindingWin32_PublishComponentActionWin32_QuickFixEngineering

Win32_RefrigerationWin32_RegistryWin32_RegistryActionWin32_RemoveFileActionWin32_RemoveIniActionWin32_ReserveCostWin32_ScheduledJobWin32_SCSIControllerWin32_SCSIControllerDeviceWin32_SecurityDescriptorWin32_SecuritySettingWin32_SecuritySettingAccessWin32_SecuritySettingAuditingWin32_SecuritySettingGroupWin32_SecuritySettingOfLogicalFile

Win32_SecuritySettingOfLogicalShareWin32_SecuritySettingOfObjectWin32_SecuritySettingOwnerWin32_SelfRegModuleActionWin32_SerialPortWin32_SerialPortConfigurationWin32_SerialPortSettingWin32_ServiceWin32_ServiceControlWin32_ServiceSpecificationWin32_ServiceSpecificationServiceWin32_SettingCheckWin32_ShareWin32_ShareToDirectoryWin32_ShortcutAction

Win32_ShortcutFileWin32_ShortcutSAPWin32_SIDWin32_SMBIOSMemoryWin32_SoftwareElementWin32_SoftwareElementActionWin32_SoftwareElementCheckWin32_SoftwareElementConditionWin32_SoftwareElementResourceWin32_SoftwareFeatureWin32_SoftwareFeatureActionWin32_SoftwareFeatureCheckWin32_SoftwareFeatureParentWin32_SoftwareFeatureSoftwareElementsWin32_SoundDevice

Win32_StartupCommandWin32_SubDirectoryWin32_SystemAccountWin32_SystemBIOSWin32_SystemBootConfigurationWin32_SystemDesktopWin32_SystemDevicesWin32_SystemDriverWin32_SystemDriverPNPEntityWin32_SystemEnclosure

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Win32_SystemLoadOrderGroupsWin32_SystemLogicalMemoryConfigurationWin32_SystemMemoryResourceWin32_SystemNetworkConnectionsWin32_SystemOperatingSystemWin32_SystemPartitionsWin32_SystemProcesses

Win32_SystemProgramGroupsWin32_SystemResourcesWin32_SystemServicesWin32_SystemSettingWin32_SystemSlotWin32_SystemSystemDriverWin32_SystemTimeZoneWin32_SystemUsersWin32_TapeDriveWin32_TemperatureProbeWin32_ThreadWin32_TimeZoneWin32_TrusteeWin32_TypeLibraryActionWin32_UninterruptiblePowerSupply

Win32_USBControllerWin32_USBControllerDeviceWin32_UserAccountWin32_UserDesktopWin32_VideoConfigurationWin32_VideoControllerWin32_VideoSettingsWin32_VoltageProbeWin32_WMIElementSettingWin32_WMISetting

Trc tin, hy gi choGet()phng php caManagementObjectSearcheritng rng ng dng ny gi lsearcheri tng.iu ny s in vo cc i

tng vi cc thng tin bn cn.Sau , bn cn phi x l cc d liu ctrongsearcheri tng.

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foreach (ManagementObject chia s trong searcher.Get ()){/ / Mt s m ...

}

MiManagementObjectc mt s tit m hu ch cho chng ta.Tt nhin cc dliu ca nhng ti sn l cn thit v chng ta c th x l chng nh th ny:

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foreach (PropertyData PC trong share.Properties){ / / Mt s m ...

}

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Cc phn khc ca ng dng ny l g, nhng lm vic vi ccListViewkim sotv l thc s d dng!