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Retrieves the state of certain virtual keys from the specified WPARAM value.
Syntax
int GET_KEYSTATE_WPARAM(
WPARAM wParam
);
Parameters
wParam
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. |
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) |