/// <summary>Gets popup menu items from padding</summary>
/// <param name="reader">Menu bytes</param>
/// <param name="padding">Starting popup menu padding</param>
/// <exception cref="T:InvalidOperationException">Can't find end of menu marker</exception>
/// <returns>Readed popup menu items</returns>
private MenuPopupItem[] GetPopupMenu(PinnedBufferReader reader, ref UInt32 padding)
{
List <MenuPopupItem> result = new List <MenuPopupItem>();
while (padding < reader.Length)
{
padding = NativeMethods.AlignToInt(padding);
WinUser.MENUITEMEX item = reader.BytesToStructure <WinUser.MENUITEMEX>(ref padding);
MenuPopupItem menu = new MenuPopupItem()
{
ItemEx = item,
};
result.Add(menu);
menu.Title = reader.BytesToStringUni(ref padding);
if (item.IsPopUp)
{
menu.dwHelpId = reader.BytesToStructure <UInt32>(ref padding);
menu.SubItems = this.GetPopupMenu(reader, ref padding);
}
if (item.IsFinal)
{
return(result.ToArray());
}
}
throw new InvalidOperationException();
}
/// <summary>Получить всплывающее меню</summary>
/// <param name="reader">Allocated bytes in memory</param>
/// <param name="padding">Отступ от начала</param>
/// <exception cref="T:InvalidOperationException">Cand find end of menu marker</exception>
/// <returns>Всплывающее меню</returns>
private MenuPopupItem[] GetPopupMenuOld(PinnedBufferReader reader, ref UInt32 padding)
{
List <MenuPopupItem> result = new List <MenuPopupItem>();
while (padding < reader.Length)
{
WinUser.MENUITEMPOPUP item = reader.BytesToStructure <WinUser.MENUITEMPOPUP>(padding);
if (item.IsPopUp)
{
item.mtID = 0;
padding += (UInt32)Marshal.SizeOf(typeof(WinUser.MENUITEM));
}
else //Если это попап, то читать надо только 1 WORD.
{
padding += (UInt32)Marshal.SizeOf(typeof(WinUser.MENUITEMPOPUP));
}
MenuPopupItem menu = new MenuPopupItem()
{
Item = item,
};
result.Add(menu);
menu.Title = reader.BytesToStringUni(ref padding);
if (item.IsPopUp)
{
menu.SubItems = this.GetPopupMenuOld(reader, ref padding);
}
if (item.IsFinal)
{
return(result.ToArray());
}
}
throw new InvalidOperationException();
}
