Preventing a key to be pressed

[SHAHRAM]

I was wondering if there is a way to prevent a key (eg. ALT) to be pressed over an specific window (not completely).

[Emperor]

Blocks you from pressing 'a' if Notepad is active.

AdlibEnable("CheckForWindow")

While 1
    Sleep(100)
WEnd

Func CheckForWindow()
    If WinActive("Untitled -") Then
        HotKeySet("a", "Nothing")
    Else
        HotKeySet("a")
    EndIf
EndFunc

Func Nothing()
    ;;;
EndFunc

[SHAHRAM]

Blocks you from pressing 'a' if Notepad is active.

AdlibEnable("CheckForWindow")

While 1
    Sleep(100)
WEnd

Func CheckForWindow()
    If WinActive("Untitled -") Then
        HotKeySet("a", "Nothing")
    Else
        HotKeySet("a")
    EndIf
EndFunc

Func Nothing()
    ;;;
EndFunc

thanx,

that should do,

it just didn't come to my mind for a sec