internal static void RaiseDrawingException <T>(string name, object sender, EventArgs e)
{
DrawingExceptionLayerEventArgs drawingExceptionLayerEventArgs = e as DrawingExceptionLayerEventArgs;
DrawingExceptionTileOverlayEventArgs drawingExceptionTileOverlayEventArgs = e as DrawingExceptionTileOverlayEventArgs;
if (!sender.Equals(default(T)))
{
var message = string.Format(CultureInfo.InvariantCulture, ConnectionFailed, name);
var font = new GeoFont("Arial", 10, DrawingFontStyles.Italic);
if (drawingExceptionLayerEventArgs != null)
{
if (drawingExceptionLayerEventArgs.Canvas.ClippingArea != null)
{
var clippingCenter = drawingExceptionLayerEventArgs.Canvas.ClippingArea.GetCenterPoint();
drawingExceptionLayerEventArgs.Canvas.DrawTextWithWorldCoordinate(message, font, new GeoSolidBrush(GeoColor.StandardColors.GrayText), clippingCenter.X, clippingCenter.Y, DrawingLevel.LabelLevel);
drawingExceptionLayerEventArgs.Cancel = true;
}
else
{
var drawingArea = drawingExceptionLayerEventArgs.Canvas.MeasureText(message, font);
drawingExceptionLayerEventArgs.Canvas.DrawTextWithScreenCoordinate(message, font, new GeoSolidBrush(GeoColor.StandardColors.GrayText), 20 + drawingArea.Width * .5f, 20 + drawingArea.Height * .5f, DrawingLevel.LabelLevel);
drawingExceptionLayerEventArgs.Cancel = true;
}
}
else if (drawingExceptionTileOverlayEventArgs != null)
{
if (drawingExceptionTileOverlayEventArgs.Canvas.ClippingArea != null)
{
var clippingCenter = drawingExceptionTileOverlayEventArgs.Canvas.ClippingArea.GetCenterPoint();
drawingExceptionTileOverlayEventArgs.Canvas.DrawTextWithWorldCoordinate(message, font, new GeoSolidBrush(GeoColor.StandardColors.GrayText), clippingCenter.X, clippingCenter.Y, DrawingLevel.LabelLevel);
drawingExceptionTileOverlayEventArgs.Cancel = true;
}
else
{
var drawingArea = drawingExceptionTileOverlayEventArgs.Canvas.MeasureText(message, font);
drawingExceptionTileOverlayEventArgs.Canvas.DrawTextWithScreenCoordinate(message, font, new GeoSolidBrush(GeoColor.StandardColors.GrayText), 20 + drawingArea.Width * .5f, 20 + drawingArea.Height * .5f, DrawingLevel.LabelLevel);
drawingExceptionTileOverlayEventArgs.Cancel = true;
}
}
}
}
private static void BingMapsLayer_DrawingException(object sender, DrawingExceptionLayerEventArgs e)
{
BaseMapsHelper.RaiseDrawingException <BingMapsLayer>("Bing Map", sender, e);
}
private static void osmLayer_DrawingException(object sender, DrawingExceptionLayerEventArgs e)
{
BaseMapsHelper.RaiseDrawingException <OpenStreetMapLayer>("OpenStreetMap", sender, e);
}
private static void WorldMapKitLayer_DrawingException(object sender, DrawingExceptionLayerEventArgs e)
{
BaseMapsHelper.RaiseDrawingException <WorldMapKitLayer>("World Map Kit", sender, e);
}
