.Command:

    cmp  r9,[hOK]
    jz   .ok
    cmp  r9,[hExit]
    jz   .quit
    jmp  .exit
    .ok:
        invoke  SendMessage,[hEdit],WM_GETTEXTLENGTH,0,0
        add     eax,1
        mov     [nSize],rax
        invoke  VirtualAlloc,0,rax,MEM_COMMIT,PAGE_READWRITE
        mov     [hBuff],rax
        invoke  SendMessage,[hEdit],WM_GETTEXT,[nSize],hBuff
        ;
        ;mov     rcx,0    ;<- like this it run ok but not use
        mov     rcx,[hWnd_]  ;<- like this if not type in textbox it can run
                             ;if type any charector (>7 char)it can't run
                             ; Why
        ; hWnd_ store handle of mainWindow
        invoke  MessageBox,rcx,hBuff,szTitle,MB_ICONINFORMATION
        xor     rax,rax
        jmp     .exit
    .quit:
        invoke  PostQuitMessage,0
        xor     eax,eax
    

        invoke  SendMessage,[hEdit],WM_GETTEXT,[nSize],[hBuff] ; <<<
        ;
        ;mov     rcx,0    ;<- like this it run ok but not use
        mov     rcx,[hWnd_]  ;<- like this if not type in textbox it can run
                             ;if type any charector it can't run
                             ; Why
        invoke  MessageBox,rcx,[hBuff],szTitle,MB_ICONINFORMATION ;<<<
    

        invoke  SendMessage,[hEdit],WM_GETTEXT,[nSize],hBuff ; <<<  
        mov     rcx,0 
        invoke  MessageBox,rcx,hBuff,szTitle,MB_ICONINFORMATION ;<<<