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IsKeyPressed method of the Msvm_Keyboard class

Hyper-V

Retrieves the key state of a key.

Syntax


uint32 IsKeyPressed(
  [in]   uint32 keyCode,
  [out]  boolean keyState
);

Parameters

keyCode [in]

Type: uint32

The virtual key code of the key to query. For the list for virtual-key codes, see Virtual-Key Codes.

keyState [out]

Type: boolean

The current down state of the key. A TRUE value means the key is down.

Return value

Type: uint32

A return value of zero indicates success. A nonzero value indicates a failure to query the key state.

Remarks

The IsKeyPressed method will always return FALSE for the VK_MENU (18), VK_CONTROL (17), and VK_SHIFT (16) because these are not real keys on a keyboard. These virtual key codes are always mapped to VK_LMENU (164), VK_LCONTROL (162), and VK_LSHIFT (160), respectively, by the PressKey and ReleaseKey methods.

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

Namespace

\\.\Root\Virtualization

MOF

WindowsVirtualization.mof

See also

Msvm_Keyboard
Virtual-Key Codes

 

 

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