IsKeyPressed method of the Msvm_Keyboard class
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.
-
Completed with No Error (0)
-
Method Parameters Checked - Job Started (4096)
-
Failed (32768)
-
Access Denied (32769)
-
Not Supported (32770)
-
Status is unknown (32771)
-
Timeout (32772)
-
Invalid parameter (32773)
-
System is in used (32774)
-
Invalid state for this operation (32775)
-
Incorrect data type (32776)
-
System is not available (32777)
-
Out of memory (32778)
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 |
|