How to get all button from Toolbar

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C#

Windows

toolbar

API

Hi,

How can I get all the button from toolbar and press the button?

I had using TB_BUTTONCOUNT to count got how many button inside my toolbar.
The result return to me is correct.

string sNotifyIconClass = "NotifyIconOverflowWindow";
hwndNotify = FindWindow(sNotifyIconClass, null);

hwndNotifyChild = FindWindowEx((IntPtr)hwndNotify, IntPtr.Zero, "ToolbarWindow32", null);

Int32 iCount = Convert.ToInt32(SendMessage((int)hwndNotifyChild,TB_BUTTONCOUNT,0,IntPtr.Zero));

However, I can't retrieve each of the button inside the toolbar by using TBBUTTONINFO.

TBBUTTONINFO[] buttons = new TBBUTTONINFO[iCountItem];

for (int k = 0; k < iCountItem; k++)
{
    TBBUTTONINFO ti = new TBBUTTONINFO();
    ti.dwMask = TBIF_BYINDEX | TBIF_TEXT;
    ti.cbSize = (uint)Marshal.SizeOf(ti);

    SendMessage(new HandleRef(null, hwndChild), TB_GETBUTTONINFO, (IntPtr)k, ref ti);
    buttons[k] = ti;

    Int32 iCount = SendMessage((int)hwndChild, TB_PRESSBUTTON, 0, IntPtr.Zero);

}

Please help. Thanks in advanced.