/// <summary>
/// Processes reflected notification messages.
/// </summary>
/// <param name="m">The Windows <see cref="T:System.Windows.Forms.Message" /> to process.</param>
/// <returns><c>true</c> if message handled; otherwise <c>false</c>.</returns>
protected virtual bool WmReflectNotify(ref Message m)
{
var hdr = m.LParam.ToStructure <User32.NMHDR>();
if (hdr.code == (int)ComCtl32.IPAddressNotification.IPN_FIELDCHANGED)
{
var ipAddr = m.LParam.ToStructure <ComCtl32.NMIPADDRESS>();
var e = new IPAddressFieldChangedEventArgs(ipAddr.iField, ipAddr.iValue);
OnFieldChanged(e);
if (e.Value != ipAddr.iValue)
{
Marshal.WriteInt32(m.LParam, Marshal.OffsetOf(typeof(ComCtl32.NMIPADDRESS), "iValue").ToInt32(), e.Value);
}
return(true);
}
return(false);
}
/// <summary>Raises the <see cref="E:FieldChanged"/> event.</summary>
/// <param name="e">The <see cref="IPAddressFieldChangedEventArgs"/> instance containing the event data.</param>
protected void OnFieldChanged(IPAddressFieldChangedEventArgs e)
{
FieldChanged?.Invoke(this, e);
}
