protected override void Dispose(bool disposing)
 {
     base.Dispose(disposing);
     if (disposing)
     {
         customWebView = null;
     }
 }
 public WebViewButtonPressedHandler(customWebView customWebView)
 {
     this.customWebView = customWebView;
 }
 public JavaScriptInterface(customWebView customwebView) : base()
 {
     this.customwebView = customwebView;
 }