private void SetOpacity() { float opacity = tbOpacity.Value / 100.0f; TileAsyncLayer layer = (TileAsyncLayer)mapBox1.Map.BackgroundLayer[1]; layer.SetOpacity(opacity); }
void SetOpacity() { if (mapBox1 != null && mapBox1.Map != null && mapBox1.Map.BackgroundLayer.Count > 1) { float opacity = tbOpacity.Value / 100.0f; TileAsyncLayer layer = (TileAsyncLayer)mapBox1.Map.BackgroundLayer[1]; layer.SetOpacity(opacity); } }