protected override void WndProc(ref Message m)
{
base.WndProc(ref m);
if (m.Msg == (int)ShellAPI.WM.SH_NOTIFY)
{
ShellAPI.SHNOTIFYSTRUCT shNotify =
(ShellAPI.SHNOTIFYSTRUCT)Marshal.PtrToStructure(m.WParam, typeof(ShellAPI.SHNOTIFYSTRUCT));
if (this.OnEvent != null)
{
PIDL pidl1 = (!PIDL.IsEmpty(shNotify.dwItem1)) ? new PIDL(shNotify.dwItem1, true) : null;
PIDL pidl2 = (!PIDL.IsEmpty(shNotify.dwItem2)) ? new PIDL(shNotify.dwItem2, true) : null;
OnEvent(this, new ShellChangeEventArgs(((ShellAPI.SHCNE)m.LParam), pidl1, pidl2));
if (pidl1 != null)
{
pidl1.Free();
}
if (pidl2 != null)
{
pidl2.Free();
}
}
}
}