How to show the Systray Icon and also the corresponding executable in the taskmanager by default when we run the install

How to show the Systray Icon and also the corresponding executable in the taskmanager by default when we run the install

By : nitinpakhide
Date : October 22 2020, 08:10 PM
this will help My requirement is: When i installed a software using NSIS, once the installation is successfully completed it should show a notification icon (systray icon). , Use ExecShell, Exec or ExecWait to start a new process:
code :
File "something\Display.exe"
ExecShell "" "$INSTDIR\Display.exe"
!insertmacro MUI_PAGE_WELCOME
!define MUI_FINISHPAGE_RUN "$INSTDIR\Display.exe"
!insertmacro MUI_PAGE_FINISH
!insertmacro MUI_LANGUAGE "English"

File "something\Display.exe"

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Default state of the systray icon

Default state of the systray icon

By : user2834278
Date : March 29 2020, 07:55 AM
may help you . This is not supported. You can see Raymond thoughts on this.
How to make Systray icon by default more visible in Win7/8

How to make Systray icon by default more visible in Win7/8

By : user5614266
Date : March 29 2020, 07:55 AM
this one helps. You don't get to choose whether or not your notification icon is hidden. That's up to the user. This is by design. On the other hand MS do get to force some of their notification icons to be visible initially.
Raymond Chen discusses this here: There is no interface for preventing your notification icon from being hidden
Icon exists in systray?

Icon exists in systray?

By : Yan Zhu
Date : March 29 2020, 07:55 AM
wish helps you You should read this code-project article.
How to get the processes that have systray icon

How to get the processes that have systray icon

By : Príñcæ Salman Khan
Date : March 29 2020, 07:55 AM
seems to work fine I checked the application on 32bit and I saw that the dwData != 0. This helped me to understand that the problem is when working on 64bit.
I replaced public UInt32 dwData; with public UInt64 dwData;.
code :
    [ StructLayout( LayoutKind.Sequential ) ]
    internal struct TBBUTTON 
        public Int32 iBitmap;
        public Int32 idCommand;
        public byte fsState;
        public byte fsStyle;
//      [ MarshalAs( UnmanagedType.ByValArray, SizeConst=2 ) ]
//      public byte[] bReserved;
        public byte bReserved1;
        public byte bReserved2;
       // public UInt32 dwData;
        public UInt64 dwData;
        public IntPtr iString;
  // window handle
  fixed (byte* pLocalBuffer = localBuffer)
   ipWindowHandle = new IntPtr(iWindowHandle);

   threadId = User32.GetWindowThreadProcessId(ipWindowHandle, out processId);

BOOL IsWow64()
    static bool isset = false;
    static BOOL bIsWow64 = FALSE;

    if (isset) {
        return bIsWow64;

    //IsWow64Process is not available on all supported versions of Windows.
    //Use GetModuleHandle to get a handle to the DLL that contains the function
    //and GetProcAddress to get a pointer to the function if available.

    LPFN_ISWOW64PROCESS fnIsWow64Process = (LPFN_ISWOW64PROCESS) GetProcAddress(

    if(NULL != fnIsWow64Process)
        if (!fnIsWow64Process(GetCurrentProcess(),&bIsWow64))
            //TODO handle error?
            return FALSE;

    isset = true;
    return bIsWow64;

typedef struct _TBBUTTON64 {
    int iBitmap;
    int idCommand;
    BYTE fsState;
    BYTE fsStyle;
    BYTE bReserved[6];
    DWORD64 dwData;
    DWORD64 iString;
typedef const TBBUTTON64 *LPCTBBUTTON64;

bool EnumSystemTray() { 
    bool bFound = false;

    // find system tray window
    HWND trayWnd = FindWindow(_T("Shell_TrayWnd"), NULL);
    if (trayWnd) {
        trayWnd = FindWindowEx(trayWnd, NULL,_T("TrayNotifyWnd"), NULL);
        if (trayWnd) {
            trayWnd = FindWindowEx(trayWnd, NULL,_T("SysPager"), NULL);
            if (trayWnd) {              
                trayWnd = FindWindowEx(trayWnd, NULL,_T("ToolbarWindow32"), NULL);
                bFound = true;


    DWORD dwTrayPid;
    GetWindowThreadProcessId(trayWnd, &dwTrayPid);

    int count = (int) SendMessage(trayWnd, TB_BUTTONCOUNT, 0, 0);

    HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, dwTrayPid);
    if (!hProcess) {
        return true;

    BOOL bIsWow64 = IsWow64();

    SIZE_T dwSize = bIsWow64 ? sizeof(TBBUTTON64) : sizeof(TBBUTTON);
    LPVOID lpData = VirtualAllocEx(hProcess, NULL, dwSize, MEM_COMMIT, PAGE_READWRITE);
    if (!lpData) {
        return true;

    // Loop through all systray icons
    for (int i = 0; i < count; i++) {
        HWND hwnd32;

        SendMessage(trayWnd, TB_GETBUTTON, i, (LPARAM)lpData);
        if ( bIsWow64 ) {
            // Try to read memory from 64-bit Explorer process. Hope the address of the traybar data is below 4GB

            TBBUTTON64 tbb;
            if (!ReadProcessMemory(hProcess, lpData, (LPVOID)&tbb, sizeof(TBBUTTON64), NULL)) {

            DWORD64 hwnd;

            // First member of TRAYDATA structure is HWND, so we can just use the address of the struct to read the member
            if (!ReadProcessMemory(hProcess, (LPCVOID)tbb.dwData, (LPVOID)&hwnd, sizeof(DWORD64), NULL)) {

            // Hope this does not get truncated, but we shouldn't have that many windows
            hwnd32 = (HWND)hwnd;
        } else {
            TBBUTTON tbb;
            if (!ReadProcessMemory(hProcess, lpData, (LPVOID)&tbb, sizeof(TBBUTTON), NULL)) {

            DWORD32 hwnd;

            // First member of TRAYDATA structure is HWND, so we can just use the address of the struct to read the member
            if (!ReadProcessMemory(hProcess, (LPCVOID)tbb.dwData, (LPVOID)&hwnd, sizeof(DWORD32), NULL)) {

            hwnd32 = (HWND)hwnd;

        DWORD dwProcessId = 0;
        GetWindowThreadProcessId(hwnd32, &dwProcessId);

        // XXX - DO SOMETHING WITH dwProcessId

    VirtualFreeEx(hProcess, lpData, NULL, MEM_RELEASE);

    return true;
Pystray systray icon

Pystray systray icon

By : Peter Bowles
Date : March 29 2020, 07:55 AM
To fix this issue I want to use pystray module in python to create a system tray app on Windows. Until now I managed to write this:
code :
from pystray import MenuItem as item
import pystray
from PIL import Image

def action():

image = Image.open("image.jpg")
menu = (item('name', action), item('name', action))
icon = pystray.Icon("name", image, "title", menu)
item('Call something', lambda :  method())
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