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Msvm_Keyboard class

Represents a keyboard device. Keyboards are logical devices that are always present in a virtual system, and thus are not allocated through a resource pool. One instance is always present in a virtual computer system.

The following syntax is simplified Managed Object Format (MOF) code, and it includes all of the inherited properties.

Syntax

[Dynamic, Provider("VmmsWmiInstanceAndMethodProvider"), AMENDMENT]
class Msvm_Keyboard : CIM_UserDevice
{
  string   Caption = "Keyboard";
  string   Description = "Microsoft Virtual Keyboard";
  datetime InstallDate;
  string   Name = "Keyboard";
  uint16   OperationalStatus[] = 2;
  string   StatusDescriptions[] = { "OK" };
  string   Status;
  uint16   HealthState = 5;
  uint16   EnabledState = 5;
  uint16   RequestedState = 12;
  datetime TimeOfLastStateChange;
  string   SystemCreationClassName = "Msvm_ComputerSystem";
  string   SystemName = "GUID";
  boolean  PowerManagementSupported;
  uint16   PowerManagementCapabilities[];
  uint16   Availability;
  uint16   StatusInfo;
  uint32   LastErrorCode;
  string   ErrorDescription;
  boolean  ErrorCleared;
  uint64   PowerOnHours;
  uint64   TotalPowerOnHours;
  uint16   AdditionalAvailability[] = 6;
  uint64   MaxQuiesceTime;
  uint16   LocationIndicator = 4;
  boolean  IsLocked = False;
  string   ElementName = "Keyboard";
  string   OtherEnabledState;
  uint16   EnabledDefault = 2;
  string   CreationClassName = "Msvm_Keyboard";
  string   DeviceID = "Microsoft:GUID";
  string   OtherIdentifyingInfo[];
  string   IdentifyingDescriptions[];
  string   Layout = "00000409";
  uint16   NumberOfFunctionKeys = 12;
  uint16   Password = 5;
};

Members

The Msvm_Keyboard class has these types of members:

Methods

The Msvm_Keyboard class has these methods.

Method Description
EnableDevice This method is not supported.
IsKeyPressed Determines whether the specified key is pressed.
OnlineDevice This method is not supported.
PressKey Sets the state of the specified key to "pressed".
QuiesceDevice This method is not supported.
ReleaseKey Clears the "pressed" state of the specified key.
RequestStateChange This method is not supported.
Reset This method is not supported.
RestoreProperties This method is not supported.
SaveProperties This method is not supported.
SetPowerState This method is not supported.
TypeCtrlAltDel Sends the CTRL+ALT+DEL key sequence.
TypeKey Types the specified key. This is equivalent to calling PressKey followed by ReleaseKey.
TypeScancodes Simulates a key sequence using scan codes.
Windows Server 2008: The TypeScancodes method is not supported until Windows Server 2008 R2.
TypeText Types the specified text string. This is equivalent to calling PressKey followed by ReleaseKey for each character in the string.

Properties

The Msvm_Keyboard class has these properties.

AdditionalAvailability

Data type: uint16 array

Access type: Read-only

Qualifiers: ModelCorrespondence ("CIM_LogicalDevice.Availability")

Any additional availability and status of the device, beyond that specified in the Availability property. The Availability property denotes the primary status and availability of the device. This property is inherited from CIM_LogicalDevice and it is always set to 6 (Not Applicable).

Availability

Data type: uint16

Access type: Read-only

Qualifiers: Deprecated ("CIM_AssociatedPowerManagementService.PowerState", "CIM_ManagedSystemElement.OperationalStatus", "CIM_EnabledLogicalElement.EnabledState"), MappingStrings ("MIF.DMTF|Operational State|006.5", "MIB.IETF|HOST-RESOURCES-MIB.hrDeviceStatus", "MIF.DMTF|Host Device|001.5"), ModelCorrespondence ("CIM_LogicalDevice.AdditionalAvailability")

This property is inherited from CIM_LogicalDevice but it is not used.

Caption

Data type: string

Access type: Read-only

Qualifiers: MaxLen (64)

A short textual description (one-line string) of the object. This property is inherited from CIM_ManagedElement and it is always set to "Keyboard".

CreationClassName

Data type: string

Access type: Read-only

Qualifiers: Key, MaxLen (256)

The name of the class or subclass used in the creation of an instance. When used with other key properties of the class, this property allows all instances of the class and its subclasses to be uniquely identified. This property is inherited from CIM_LogicalDevice and it is always set to "Msvm_Keyboard".

Description

Data type: string

Access type: Read-only

A textual description of the object. This property is inherited from CIM_ManagedElement and it is always set to "Microsoft Virtual Keyboard".

DeviceID

Data type: string

Access type: Read-only

Qualifiers: Key, MaxLen (64)

An address or other identifying information to uniquely name the logical device. This property is inherited from CIM_LogicalDevice and it is always set to "Microsoft:GUID".

ElementName

Data type: string

Access type: Read-only

A user-friendly name for the object. This property allows each instance to define a user-friendly name in addition to its key properties, identity data, and description information. Note that the Name property of the CIM_ManagedSystemElement class is also defined as a user-friendly name. But, it is often subclassed to be a Key. It is not reasonable that the same property can convey both identity and a user-friendly name, without inconsistencies. Where Name exists and is not a Key (such as for instances of CIM_LogicalDevice), the same information can be present in both the Name and ElementName properties. This property is inherited from CIM_ManagedElement and it is always set to "Keyboard".

EnabledDefault

Data type: uint16

Access type: Read/write

An administrator's default or startup configuration for the enabled state of an element. This property is inherited from CIM_EnabledLogicalElement and it is always set to 2 (Enabled).

EnabledState

Data type: uint16

Access type: Read-only

Qualifiers: ModelCorrespondence ("CIM_EnabledLogicalElement.OtherEnabledState")

The enabled and disabled states of an element. This property is inherited from CIM_EnabledLogicalElement and it is always set to 5 (Not Applicable).

Not Applicable (5)

Indicates the element does not support to be enabled or disabled.

ErrorCleared

Data type: boolean

Access type: Read-only

Qualifiers: Deprecated ("CIM_ManagedSystemElement.OperationalStatus")

This property is inherited from CIM_LogicalDevice but it is not used.

ErrorDescription

Data type: string

Access type: Read-only

Qualifiers: Deprecated ("CIM_DeviceErrorData.ErrorDescription")

This property is inherited from CIM_LogicalDevice but it is not used.

HealthState

Data type: uint16

Access type: Read-only

The current health of the element. This property is inherited from CIM_ManagedSystemElement and it is always set to 5 (OK).

OK (5)

The element is fully functional and operates within normal operational parameters and without error.

IdentifyingDescriptions

Data type: string array

Access type: Read-only

Qualifiers: ArrayType ("Indexed"), ModelCorrespondence ("CIM_LogicalDevice.OtherIdentifyingInfo")

An array of free-form strings that provide explanations and details behind the entries in the OtherIdentifyingInfo array. This property is inherited from CIM_LogicalDevice and it is always set to NULL.

InstallDate

Data type: datetime

Access type: Read-only

Qualifiers: MappingStrings ("MIF.DMTF|ComponentID|001.5")

The date and time when the virtual system was created. This property is inherited from CIM_ManagedSystemElement.

IsLocked

Data type: boolean

Access type: Read-only

Indicates whether the device is locked, preventing user input or output. This property is inherited from CIM_UserDevice and it is set to False.

LastErrorCode

Data type: uint32

Access type: Read-only

Qualifiers: Deprecated ("CIM_DeviceErrorData.LastErrorCode")

This property is inherited from CIM_LogicalDevice but it is not used.

Layout

Data type: string

Access type: Read-only

A free-form string indicating the format and layout of the keyboard. This property is set to "00000409".

LocationIndicator

Data type: uint16

Access type: Read/write

Qualifiers: Experimental, ModelCorrespondence ("CIM_AlarmDevice.AlarmState", "CIM_AlarmDevice.AudioIndicatorIsDisabled", "CIM_AlarmDevice.VisualIndicatorIsDisabled", "CIM_AlarmDevice.MotionIndicatorIsDisabled")

The state of an indicator that is part of a device. This property is inherited from CIM_LogicalDevice and it is always set to 4 (Not Supported).

MaxQuiesceTime

Data type: uint64

Access type: Read-only

Qualifiers: Deprecated ("No value"), Units ("MilliSeconds")

This property is inherited from CIM_LogicalDevice but it is not used.

Name

Data type: string

Access type: Read-only

Qualifiers: MaxLen (1024)

The label by which the object is known. When subclassed, this property can be overridden to be a key property. This property is inherited from CIM_ManagedSystemElement and it is always set to "Keyboard".

NumberOfFunctionKeys

Data type: uint16

Access type: Read-only

The number of function keys on the keyboard. This property is set to 12.

OperationalStatus

Data type: uint16 array

Access type: Read-only

Qualifiers: ArrayType ("Indexed"), ModelCorrespondence ("CIM_ManagedSystemElement.StatusDescriptions")

The current status of the element. This property is inherited from CIM_ManagedSystemElement and it is always set to 2 (OK).

OK (2)

Indicates full functionality without errors.

OtherEnabledState

Data type: string

Access type: Read-only

Qualifiers: ModelCorrespondence ("CIM_EnabledLogicalElement.EnabledState")

A string that describes the enabled or disabled state of the element when the EnabledState property is set to 1 (Other). This property must be set to NULL when EnabledState is any value other than 1. This property is inherited from CIM_EnabledLogicalElement and it is always set to NULL.

OtherIdentifyingInfo

Data type: string array

Access type: Read-only

Qualifiers: MaxLen (256), ArrayType ("Indexed"), ModelCorrespondence ("CIM_LogicalDevice.IdentifyingDescriptions")

Any additional data, beyond device ID information, that could be used to identify a logical device. This property is inherited from CIM_LogicalDevice and it is always set to NULL.

Password

Data type: uint16

Access type: Read-only

Indicates whether a hardware-level password is enabled at the keyboard, preventing local input. This property is set to 5 (Not Implemented).

PowerManagementCapabilities

Data type: uint16 array

Access type: Read-only

Qualifiers: Deprecated ("CIM_PowerManagementCapabilities.PowerCapabilities")

This property is inherited from CIM_LogicalDevice but it is not used.

PowerManagementSupported

Data type: boolean

Access type: Read-only

Qualifiers: Deprecated ("CIM_PowerManagementCapabilities")

This property is inherited from CIM_LogicalDevice but it is not used.

PowerOnHours

Data type: uint64

Access type: Read-only

Qualifiers: Deprecated ("CIM_PoweredStatisticalData.PowerOnHours"), Units ("Hours"), Counter

This property is inherited from CIM_LogicalDevice but it is not used.

RequestedState

Data type: uint16

Access type: Read-only

Qualifiers: ModelCorrespondence ("CIM_EnabledLogicalElement.EnabledState")

The last requested or desired state for the element. This property is inherited from CIM_EnabledLogicalElement and it is always set to 12.

Not Applicable (12)

Indicates that this instance does not support the RequestedState property.

Status

Data type: string

Access type: Read-only

Qualifiers: Deprecated ("CIM_ManagedSystemElement.OperationalStatus"), MaxLen (10)

This property is inherited from CIM_ManagedSystemElement but it is not used.

StatusDescriptions

Data type: string array

Access type: Read-only

Qualifiers: ArrayType ("Indexed"), ModelCorrespondence ("CIM_ManagedSystemElement.OperationalStatus")

Strings that describe the various OperationalStatus array values. This property is inherited from CIM_ManagedSystemElement and it is always set to "OK".

StatusInfo

Data type: uint16

Access type: Read-only

Qualifiers: Deprecated ("CIM_EnabledLogicalElement.EnabledState"), MappingStrings ("MIF.DMTF|Operational State|006.4")

This property is inherited from CIM_LogicalDevice but it is not used.

SystemCreationClassName

Data type: string

Access type: Read-only

Qualifiers: Key, Propagated ("CIM_System.CreationClassName"), MaxLen (256)

The scoping system's creation class name. This property is inherited from CIM_LogicalDevice and it is set to "Msvm_ComputerSystem".

SystemName

Data type: string

Access type: Read-only

Qualifiers: Key, Propagated ("CIM_System.Name"), MaxLen (256)

The scoping system's name. This value corresponds to the value of the Name property of the Msvm_ComputerSystem class for the scoping virtual system. This property is inherited from CIM_LogicalDevice and it is always set to "GUID".

TimeOfLastStateChange

Data type: datetime

Access type: Read-only

The date and time when the enabled state of the element last changed. If the state of the element has not changed and this property is populated, then it must be set to a 0 interval value. If a state change was requested, but rejected or not yet processed, the property must not be updated. This property is inherited from CIM_EnabledLogicalElement and it is always set to NULL.

TotalPowerOnHours

Data type: uint64

Access type: Read-only

Qualifiers: Deprecated ("CIM_PoweredStatisticalData.TotalPowerOnHours"), Units ("Hours"), Counter

This property is inherited from CIM_LogicalDevice but it is not used.

Remarks

Access to the Msvm_Keyboard class might be restricted by UAC Filtering. For more information, see User Account Control and WMI.

Requirements

Minimum supported client
None supported
Minimum supported server
Windows Server 2008
End of client support
None supported
End of server support
Windows Server 2012 R2
Namespace
Root\Virtualization
MOF
WindowsVirtualization.mof

See also

CIM_UserDevice

CIM_UserDevice

Input Classes