让消失的控件重现，让变灰的按钮重生！_gog 平台安装游戏是灰色的-优快云博客

本文介绍了一段使用汇编语言实现的程序，该程序能够周期性地检测并启用前台窗口的所有子窗口。通过定时器功能，每200毫秒会检查一次前台窗口，并启用所有未被激活的子窗口。

改编了一个网上找来的汇编源码

; Author: Deuce
; Enables all child windows belonging to the foreground window.

.386
.model flat,stdcall
option casemap:none

include /masm32/include/windows.inc
include /masm32/include/kernel32.inc
include /masm32/include/user32.inc
includelib /masm32/lib/kernel32.lib
includelib /masm32/lib/user32.lib

DlgProc proto :DWORD,:DWORD,:DWORD,:DWORD
EnableAll proto :DWORD, :DWORD

.const
ENABLER                    equ     101
ICON                       equ     102
IDC_HANDLE                 equ     1002
IDC_ENABLE                 equ     1001
TIMERID                    equ     WM_USER

.data
template db '%lX',0
posBuffer db 10 dup (0)

.code
start:
invoke GetModuleHandle,NULL
invoke DialogBoxParam,eax,ENABLER,NULL,offset DlgProc,NULL
invoke ExitProcess,eax

DlgProc proc hWnd:HWND,uMsg:UINT,wParam:WPARAM,lParam:LPARAM

cmp uMsg,WM_TIMER ;It's been 200 ms, enumerate the windows again!
je getPoint
cmp uMsg,WM_INITDIALOG ;Initialization stuff
je boxStart
cmp uMsg,WM_CLOSE
je boxClose

retFalse:
mov eax,FALSE
ret

boxStart:
invoke SetTimer,hWnd,TIMERID,200,NULL ;Start up the timer for 200 ms intervals
jmp retTrue

boxClose:
invoke KillTimer,hWnd,TIMERID ;Okay we're done so shut everything down
invoke EndDialog,hWnd,NULL
jmp retTrue

getPoint:
invoke IsDlgButtonChecked,hWnd,IDC_ENABLE ;Are we activated?
cmp eax,BST_CHECKED
jne retTrue

invoke GetForegroundWindow ;Yep, what window is activated?

push eax
invoke wsprintf,offset posBuffer,offset template,eax ;Translate handle value to ASCII
invoke SetDlgItemText,hWnd,IDC_HANDLE,offset posBuffer ;Set the handle edit box
pop eax

invoke EnumChildWindows,eax,offset EnableAll,NULL ;Now we are gonna filter through all child windows
retTrue:
mov eax,TRUE
ret

DlgProc endp
EnableAll proc hWnd:HWND,lParam:LPARAM ;Windows sends the handle of each child window here
invoke IsWindowEnabled,hWnd ;Is this child window enabled or not?
cmp eax,TRUE
je getNext

invoke EnableWindow,hWnd,TRUE ;No, it's not! So we'll enable it :)

      invoke      IsWindowVisible,hWnd                          ;is showwindow ok?
      cmp   eax,TRUE
      je    getNext

      invoke      ShowWindow,hWnd,TRUE
      invoke EnableWindow,hWnd,TRUE

getNext:
mov eax,TRUE                                        ;Return TRUE to get handle of next child window
ret
EnableAll endp
end start