/// <summary>
/// Function to process the messages through the installed message filters.
/// </summary>
/// <param name="hwnd">Window handle receiving the message.</param>
/// <param name="msg">Message being received.</param>
/// <param name="wParam">Window parameter 1.</param>
/// <param name="lParam">Window parameter 2.</param>
/// <returns>The result of a call to the previous window procedure if the message was not processed, or <see cref="IntPtr.Zero"/> if the message was processed.</returns>
private IntPtr NewWndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam)
{
if (!_hooked)
{
UninstallWindowProcedure();
return(UserApi.CallWindowProc(_defaultWndProc, hwnd, msg, wParam, lParam));
}
var windowMessage = new Message
{
HWnd = hwnd,
Msg = msg,
WParam = wParam,
LParam = lParam
};
// Send a copy of the message to any installed filters.
// ReSharper disable once LoopCanBeConvertedToQuery
// ReSharper disable once ForCanBeConvertedToForeach
for (int i = 0; i < _messageFilters.Count; i++)
{
// ReSharper disable once InconsistentlySynchronizedField
IMessageFilter filter = _messageFilters[i];
if (filter.PreFilterMessage(ref windowMessage))
{
return(windowMessage.Result);
}
}
return(UserApi.CallWindowProc(_defaultWndProc, hwnd, msg, wParam, lParam));
}
