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Index > Windows > Just A Little (annoying) problem

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Joined: 16 Dec 2004
Posts: 110
this isnt necessarily a problem everything does function fine just it really annoys me. using the "USECOM" example ive made my application not appear in the taskbar, however for like a second it appears then disappears, this is what annoys me. i know its because the code which makes it disappear from task bar initializes a split second after the program is actually put in the the taskbar. there must be another method of doing this so it doesnt appear for a split second, ive seen a fair few other applications do it unfortunatly i cant look at their source Crying or Very sad . heres my code:

format PE GUI 4.0
entry start

include '..\..\include\win32a.inc'

struc GUID def
   match d1-d2-d3-d4-d5, def
      .Data1 dd 0x\#d1
      .Data2 dw 0x\#d2
      .Data3 dw 0x\#d3
      .Data4 db 0x\#d4 shr 8,0x\#d4 and 0FFh
      .Data5 db 0x\#d5 shr 40,0x\#d5 shr 32 and 0FFh,0x\#d5 shr 24 and 0FFh,0x\#d5 shr 16 and 0FFh,0x\#d5 shr 8 and 0FFh,0x\#d5 and 0FFh
interface ITaskBarList,QueryInterface,AddRef,Release,HrInit,AddTab,DeleteTab,ActivateTab,SetActiveAlt

ID_PASS  = 100
ID_OK    = 102
ID_CLOSE = 103

section '.data' data readable writeable

   CLSID_TaskbarList GUID 56FDF344-FD6D-11D0-958A-006097C9A090
   IID_ITaskbarList GUID 56FDF342-FD6D-11D0-958A-006097C9A090
   ShellTaskBar ITaskBarList
   flags       dd ?
   password    db 'password',0
   incorrect   db 'Invalid Password, Please Try Again',0
   alert       db 'Alert!',0
   buffer      db 49

section '.code' code readable executable

                  ;!!! functions to make program disappear from taskbar here !!!!
                  invoke  CoInitialize,NULL
                  invoke  CreateInstance,CLSID_TaskbarList,NULL,CLSCTX_INPROC_SERVER,IID_ITaskbarList,ShellTaskBar
        invoke  GetModuleHandle,0
        invoke  DialogBoxParam,eax,37,NULL,DialogProc,0
        cominvk ShellTaskBar,Release
        or      eax,eax
        jz      exit
        invoke  ExitProcess,0

;;;;          Initial Dialog          ;;;;

proc DialogProc hwnddlg,msg,wparam,lparam
cominvk ShellTaskBar,HrInit
cominvk ShellTaskBar,DeleteTab,[hwnddlg]
push    ebx esi edi
cmp     [msg],WM_INITDIALOG
je      wminitdialog
cmp     [msg],WM_COMMAND
je      wmcommand
xor     eax,eax
jmp     finish
        invoke  SetWindowPos,[hwnddlg],HWND_TOPMOST,0,0,0,0,SWP_NOMOVE+SWP_NOSIZE
        jmp     processed
mov     eax,[wparam]
and     eax,0FFFFh
cmp     eax,ID_OK
je      enteredpass
cmp     eax,ID_CLOSE
je      close
jmp     processed
                invoke GetDlgItemText,[hwnddlg],ID_PASS,buffer,buffer
                invoke lstrcmp,password,buffer
                cmp    eax,0
                je     equal
                       invoke  MessageBox,[hwnddlg],incorrect,alert,MB_OK+MB_ICONINFORMATION
                       jmp     processed
                       invoke  EndDialog,[hwnddlg],0
                       ;run second dialog from here
                       jmp     processed
invoke  EndDialog,[hwnddlg],0
mov     eax,1
pop     edi esi ebx

;;;;  function imports and resources  ;;;;

section '.idata' import data readable writeable

  library kernel,'KERNEL32.DLL',user,'USER32.DLL',ole,'OLE32.DLL'
  import kernel,GetModuleHandle,'GetModuleHandleA',ExitProcess,'ExitProcess',lstrcmp,'lstrcmp'
  import user,DialogBoxParam,'DialogBoxParamA',GetDlgItemText,'GetDlgItemTextA',MessageBox,'MessageBoxA',EndDialog,'EndDialog',SetWindowPos,'SetWindowPos'
  import ole,CoInitialize,'CoInitialize',CoCreateInstance,'CoCreateInstance'

section '.rsrc' resource data readable
  directory RT_DIALOG,dialogs
  resource dialogs,37,LANG_ENGLISH+SUBLANG_DEFAULT,filehider
  dialog filehider,'Enter Your Password',340,280,140,37,DS_MODALFRAME+DS_CENTER+WS_POPUP+WS_CAPTION
  dialogitem 'BUTTON','&Close',ID_CLOSE,74,20,52,15,WS_VISIBLE

any form of help appreciated.
Post 06 Jan 2006, 21:17
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