The HKM_SETRULES message defines the invalid combinations and the default modifier combination for a hot-key control.
HKM_SETRULES
wParam = (WPARAM) fwCombInv;
lParam = MAKELPARAM(fwModInv, 0);
Parameters
fwCombInv
Array of flags that specify invalid key combinations. This parameter can be a combination of the following values:
| Value | Meaning |
| HKCOMB_A | ALT |
| HKCOMB_C | CTRL |
| HKCOMB_CA | CTRL+ALT |
| HKCOMB_NONE | Unmodified keys |
| HKCOMB_S | SHIFT |
| HKCOMB_SA | SHIFT+ALT |
| HKCOMB_SC | SHIFT+CTRL |
| HKCOMB_SCA | SHIFT+CTRL+ALT |
fwModInv
Array of flags that specify the key combination to use when the user enters an invalid combination. For a list of modifier flag values, see the description of the HKM_GETHOTKEY message.
Return Values
No return value.
Remarks
When a user enters an invalid key combination, as defined by flags specified in fwCombInv, the system uses the bitwise-OR operator to combine the keys entered by the user with the flags specified in fwModInv. The resulting key combination is converted into a string and then displayed in the hot-key control.
See Also