Weird check Button press.

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Roman

Joined: 21 Apr 2012
Posts: 1847

Roman 14 Jul 2022, 13:30

Windows 10

Code:

   invoke SendMessage,[hwndButton1],BM_GETSTATE,0,0 
   cmp eax,520 or 620 ;work for me. But not work BST_PUSHED
   jz  pressed
   ret
pressed:
    
   ret

Or i must do test eax,BST_PUSHED ?
And what flag ? Jnz or jz or jl or ja or jb ?

14 Jul 2022, 13:30

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 20445
Location: In your JS exploiting you and your system

revolution 14 Jul 2022, 14:38

520 or 620 == 620

520 == 0x208
620 == 0x26c

0x208 or 0x26c == 0x26c

14 Jul 2022, 14:38

Roman

Joined: 21 Apr 2012
Posts: 1847

Roman 14 Jul 2022, 14:45

i mean i write 520 value or 620
its not asm command or.

14 Jul 2022, 14:45

Roman

Joined: 21 Apr 2012
Posts: 1847

Roman 14 Jul 2022, 14:46

i try this, work

Code:

invoke SendMessage,[hwndButton1],BM_GETSTATE,0,0
     
     and    ax,BST_PUSHED  ;BTN_Click  ;BST_HOT ;+BST_PUSHED
     jz    .notpushed
do some
.notpushed:

14 Jul 2022, 14:46

Roman

Joined: 21 Apr 2012
Posts: 1847

Roman 14 Jul 2022, 15:41

but weird this. buttons "user dll and user action" work always. Button uppp not.
https://www.youtube.com/watch?v=Hx9gA2rzuhY&ab_channel=Roman8139

all 3 buttons check like this.

Code:

invoke SendMessage,[hwndButton1],BM_GETSTATE,0,0
     
     and    ax,BST_PUSHED  ;BTN_Click  ;BST_HOT ;+BST_PUSHED
     jz    .notpushed1
do some
.notpushed1:
invoke SendMessage,[hwndButton2],BM_GETSTATE,0,0
     
     and    ax,BST_PUSHED  ;BTN_Click  ;BST_HOT ;+BST_PUSHED
     jz    .notpushed2
do some
.notpushed2:
invoke SendMessage,[hwndButton3],BM_GETSTATE,0,0
     
     and    ax,BST_PUSHED  ;BTN_Click  ;BST_HOT ;+BST_PUSHED
     jz    .notpushed3
do some
.notpushed3:

14 Jul 2022, 15:41

I

Joined: 19 May 2022
Posts: 58

I 15 Jul 2022, 02:24

You could try test or bt which change flags only.

Code:

      test   eax,BST_PUSHED  
      jz     .notpushed1
      do some
 .notpushed1:

Code:

        bt      eax,2    ; (BST_PUSHED = 4)
        jnc     .notpushed1
        do some
 .notpushed1:

15 Jul 2022, 02:24

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