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窗体中
option explicit
private sub form_load()
dim ret as long
记录原来的window程序地址
prewinproc = getwindowlong(me.hwnd, gwl_wndproc)
用自定义程序代替原来的window程序
ret = setwindowlong(me.hwnd, gwl_wndproc, addressof wndproc)
idhotkey = 1 in the range ＆h0000 through ＆hbfff
modifiers = mod_alt 辅助键为alt
uvirtkey1 = vbkeyq 注册的热键为alt+q
注册热键
ret = registerhotkey(me.hwnd, idhotkey, modifiers, uvirtkey1)
if ret = 0 then
msgbox "注册热键失败,请使用其它热键!", vbcritical, "错误"
end if
end sub
private sub form_queryunload(cancel as integer, unloadmode as integer)
dim ret as long
取消message的截取，使之送往原来的window程序
ret = setwindowlong(me.hwnd, gwl_wndproc, prewinproc)
call unregisterhotkey(me.hwnd, uvirtkey1)
end sub
模块中
以下程序放在模块中
option explicit
declare function setwindowlong lib "user32" alias "setwindowlonga" (byval hwnd as long, byval nindex as long, byval dwnewlong as long) as long
declare function getwindowlong lib "user32" alias "getwindowlonga" (byval hwnd as long, byval nindex as long) as long
declare function callwindowproc lib "user32" alias "callwindowproca" (byval lpprevwndfunc as long, byval hwnd as long, byval msg as long, byval wparam as long, byval lparam as long) as long
declare function registerhotkey lib "user32" (byval hwnd as long, byval id as long, byval fsmodifiers as long, byval vk as long) as long
declare function unregisterhotkey lib "user32" (byval hwnd as long, byval id as long) as long
public const wm_hotkey = &h312
public const mod_alt = &h1
public const mod_control = &h2
public const mod_shift = &h4
public const gwl_wndproc = (-4)
public prewinproc as long
public modifiers as long, uvirtkey1 as long, idhotkey as long
private type talong
ll as long
end type
private type t2int
lword as integer
hword as integer
end type
public function wndproc(byval hwnd as long, byval msg as long, byval wparam as long, byval lparam as long) as long
dim lp as talong, i2 as t2int
if msg = wm_hotkey then
if wparam = idhotkey then
lp.ll = lparam
lset i2 = lp
if (i2.lword = modifiers) and i2.hword = uvirtkey1 then
form1.visible = not form1.visible
end if
end if
end if
如果不是热键信息则调用原来的程序
wndproc = callwindowproc(prewinproc, hwnd, msg, wparam, lparam)
end function
