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[求助]DialogBoxParam 函数遇到的死循环
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发表于: 2008-4-19 00:09
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在看罗叔的win32汇编中子类化与超类化这一章时，我写的代码。
DialogBoxParam函数调用后，只显示出两个Edit控件，看不见窗口。
CPU占用98%，应该是有死循环。
我找啊找啊找。。。。怎么就找不到呢？？
各位高手帮忙看看
代码：
资源：
DialogBoxParam函数调用后，只显示出两个Edit控件，看不见窗口。
CPU占用98%，应该是有死循环。
我找啊找啊找。。。。怎么就找不到呢？？
各位高手帮忙看看
代码：
.386 .model flat, stdcall option casemap:none include windows.inc include kernel32.inc includelib kernel32.lib include user32.inc includelib user32.lib IDD_DLG1 equ 1000 IDC_EDIT1 equ 1001 IDC_EDIT2 equ 1002 .data szSuperEdit db 'SuperEdit',0 szEdit db 'Edit',0 szAllowedChar db '0123456789abcdefABCDEF',0 .data? hInstance dd ? _EditProc dd ? .code _SuperClass proto _SuperEditProc proto :DWORD, :DWORD, :DWORD, :DWORD _DlgProc proto :DWORD, :DWORD, :DWORD, :DWORD _WinMain proc invoke GetModuleHandle,0 mov hInstance, eax invoke _SuperClass invoke DialogBoxParam, hInstance, IDD_DLG1, NULL, offset _DlgProc, NULL invoke ExitProcess,0 ret _WinMain endp _DlgProc proc uses ebx eax edi esi hDlg, uMsg, wParam, lParam mov eax, uMsg .if eax == WM_CLOSE invoke EndDialog, hDlg, 0 .else mov eax, FALSE ret .endif mov eax, TRUE ret _DlgProc endp _SuperClass proc LOCAL @WndClass:WNDCLASSEX invoke RtlZeroMemory,addr @WndClass, sizeof @WndClass mov @WndClass.cbSize, sizeof @WndClass invoke GetClassInfoEx, NULL, offset szEdit, addr @WndClass push @WndClass.lpfnWndProc pop _EditProc mov @WndClass.lpfnWndProc, offset _SuperEditProc mov @WndClass.lpszClassName, offset szSuperEdit push hInstance pop @WndClass.hInstance invoke RegisterClassEx, addr @WndClass ret _SuperClass endp _SuperEditProc proc uses ebx esi edi hEdit, uMsg, wParam, lParam mov eax, uMsg .if eax == WM_CHAR mov eax, wParam mov edi, offset szAllowedChar mov ecx, sizeof szAllowedChar repnz scasb .if ZERO? cmp eax, '9' jna @F and al, not 20H @@: mov wParam, eax .else xor eax,eax ret .endif .endif invoke CallWindowProc, _EditProc, hEdit, uMsg, wParam, lParam ret _SuperEditProc endp end _WinMain
资源：
#include "C:\RadASM\masm32\include\resource.h"
#define IDD_DLG1 1000
#define IDC_EDIT1 1001
#define IDC_EDIT2 1002
IDD_DLG1 DIALOG 6,6,194,106
CAPTION "ClassModify"
STYLE DS_MODALFRAME | WS_POPUP | WS_VISIBLE | WS_CAPTION | WS_SYSMENU
FONT 9, "宋体"
{
CONTROL "",IDC_EDIT1,"Edit",0x50010000,28,16,144,19,0x00000200
CONTROL "",IDC_EDIT2,"SuperEdit",0x50010000,26,53,146,19,0x00000200
}
