protected override void OnTextUpdate(EventArgs e)
{
base.OnTextUpdate(e);
// set the location value
if (MaidenheadLocator.Check(this.Text))
{
if (this.Text.Length >= 6)
{
GeoLocation = MaidenheadLocator.GPointFromLoc(this.Text);
}
else
{
geolocation = MaidenheadLocator.GPointFromLoc(this.Text);
}
}
else
{
GeoLocation = null;
}
itemchanged = false;
locationchanged = false;
}
/// <summary>
/// Gives the bounds of a 'Maidenhead Locator' (latitudes and longitudes, in degrees).
/// </summary>
/// <param name="maidenheadLocator">The 'Maidenhead Locator'.</param>
/// <returns>The geographical bounds as LatLon.GRect.</returns>
/// <exception cref="ArgumentException">
/// If the length of the locator text is null or not an even number.
/// If the locator text contains invalid characters.
/// </exception>
/// <summary>
public static LatLon.GRect BoundsFromLoc(string maidenheadLocator)
{
LatLon.GPoint gmin = GPointFromLoc(maidenheadLocator, PositionInRectangle.BottomLeft);
LatLon.GPoint gmax = GPointFromLoc(maidenheadLocator, PositionInRectangle.TopRight);
return(new LatLon.GRect(gmin.Lat, gmin.Lon, gmax.Lat, gmax.Lon));
}