protected void UpdateCaption() {
if ( Created ) {
REBARBANDINFO rbBand = new REBARBANDINFO();
rbBand.cbSize = (uint)Marshal.SizeOf( rbBand );
rbBand.fMask = (uint)win32.RBBIM_TEXT;
rbBand.lpText = _caption;
if ( win32.SendMessage( _bands.Rebar.RebarHwnd, (int)win32.RB_SETBANDINFOA, BandIndex, ref rbBand ) == 0 ) {
int LastErr = Marshal.GetHRForLastWin32Error();
try {
Marshal.ThrowExceptionForHR( LastErr );
} catch ( Exception ex ) {
Console.WriteLine( LastErr + " " + ex.Message );
if ( _throwExceptions ) throw (new Exception( "Error Updating Caption.", ex ));
}
}
}
}