Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
Retrieves the state of certain virtual keys from the specified LPARAM value.
Syntax
int GET_KEYSTATE_LPARAM(
LPARAM lParam
);
Parameters
lParam
The value to be converted.
Return value
Type: int
The return value is the low-order word representing the virtual key state. It can be one of the following values:
| Return code | Value | Description |
|---|---|---|
| MK_CONTROL | 0x0008 | The CTRL key is down. |
| MK_LBUTTON | 0x0001 | The left mouse button is down. |
| MK_MBUTTON | 0x0010 | The middle mouse button is down. |
| MK_RBUTTON | 0x0002 | The right mouse button is down. |
| MK_SHIFT | 0x0004 | The SHIFT key is down. |
| MK_XBUTTON1 | 0x0020 | The first X button is down. |
| MK_XBUTTON2 | 0x0040 | The second X button is down. |
Remarks
This macro is identical to the GET_FLAGS_LPARAM macro.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | winuser.h (include Windows.h) |
See also
Conceptual
Reference