WKWebViewControlMBS.decidePolicyForNavigationAction(navigationAction as WKNavigationActionMBS, decisionHandler as WKPolicyForNavigationActionDecisionHandlerMBS)

Please inspect navigationAction to find the information about what action happened.

You can show a dialog to ask user and once you know the decision call a method on decisionHandler object to report the decision.

If you want to open this in a new window/tab, please call decisionHandler.Cancel method here, take the URL and load it in the new WebView in the new window/tab.

Like the CancelClose event in Xojo, you can call decisionHandler.Cancel method to call it.

WKWebViewControlMBS.decidePolicyForNavigationResponse(navigationResponse as WKNavigationResponseMBS, decisionHandler as WKPolicyForNavigationResponseDecisionHandlerMBS)

Sub decidePolicyForNavigationResponse(navigationResponse as WKNavigationResponseMBS, decisionHandler as WKPolicyForNavigationResponseDecisionHandlerMBS) Handles decidePolicyForNavigationResponse
  Var MimeType as string = navigationResponse.response.MIMEType
  
  if MimeType = "application/zip" or _
      MimeType = "application/x-tar" or _
      MimeType = "application/octet-stream" then
    // we download archive files
    decisionHandler.Download
  else
    // allow normal website to load
    decisionHandler.Allow
    
  end if
End Sub

navigationResponse: Descriptive information about the navigation response.

You can show a dialog to ask user and once you know the decision call a method on decisionHandler object to report the decision.

WKWebViewControlMBS.DidClose

Notifies your app that the DOM window object's close() method completed successfully.

Your app should remove the web view from the view hierarchy and update the UI as needed, such as by closing the containing browser tab or window.

WKWebViewControlMBS.didCloseContextualMenu(menu as NSMenuMBS, NSEvent as NSEventMBS)

Allows you to restart any animation you may have stopped in the willShowContextualMenu event.

WKWebViewControlMBS.didCommitNavigation(navigation as WKNavigationMBS)

Added navigation parameter with version 20.3.
Sets Navigation property.

WKWebViewControlMBS.didFailNavigation(navigation as WKNavigationMBS, Error as NSErrorMBS)

Added navigation parameter with version 20.3.
Sets Navigation property.

WKWebViewControlMBS.didFailProvisionalNavigation(navigation as WKNavigationMBS, Error as NSErrorMBS)

Added navigation parameter with version 20.3.
Sets Navigation property.

WKWebViewControlMBS.didFinishNavigation(navigation as WKNavigationMBS)

Added navigation parameter with version 20.3.
Sets Navigation property.
Same as DocumentComplete in HTMLViewer.

WKWebViewControlMBS.DidReceiveAuthenticationChallenge(challenge as NSURLAuthenticationChallengeMBS, byref AuthChallengeDisposition as Integer, byref credentials as NSURLCredentialMBS)

challenge: The authentication challenge.

AuthChallengeDisposition: The option to use to handle the challenge. For a list of options, see AuthChallenge* constants.
credential: The credential to use for authentication when the disposition parameter contains the value AuthChallengeUseCredential. Specify nil to continue without a credential.

If you don’t implement this method, the web view responds to the authentication challenge with the AuthChallengeRejectProtectionSpace disposition.

WKWebViewControlMBS.didReceiveScriptMessage(Body as Variant, name as String)

body: The body of the message. Automatic translated from Javascript types.
name: The name of the message handler to which the message is sent.

WKWebViewControlMBS.didReceiveServerRedirectForProvisionalNavigation(navigation as WKNavigationMBS)

Added navigation parameter with version 20.3.
Sets Navigation property.

WKWebViewControlMBS.didStartProvisionalNavigation(navigation as WKNavigationMBS)

Added navigation parameter with version 20.3.
Sets Navigation property.

WKWebViewControlMBS.downloadDecideDestinationUsingResponse(download as WKDownloadMBS, response as NSURLResponseMBS, suggestedFilename as String, byref destination as FolderItem)

download: The download that needs a file destination where the systems should write the download data.
response: A response from the server for an HTTP request, or a synthesized response for a blob download.
suggestedFilename: A string with a filename suggestion to use in creating the file destination.
destination: A file destination where the systems should write the download data.

Set destination to where to store the file. Or set to nil to cancel.

The suggested filename can come from the response or from the web content.
The destination file URL must meet the following requirements:

• It’s a file that doesn’t exist.
• It’s in a directory that exists.
• It’s in a directory that WebKit can write to.

WKWebViewControlMBS.downloadDidFailWithError(download as WKDownloadMBS, error as NSErrorMBS, resumeData as MemoryBlock)

download: The download that failed.
error: An error describing what caused the download to fail.
resumeData: A data object you use to restart the download.

To restart a failed download, call resumeDownloadFromResumeData with resumeData.

WKWebViewControlMBS.downloadDidFinish(download as WKDownloadMBS)

download: The download that finished.

WKWebViewControlMBS.downloadDidReceiveAuthenticationChallenge(download as WKDownloadMBS, challenge as NSURLAuthenticationChallengeMBS, byref AuthChallengeDisposition as Integer, byref credentials as NSURLCredentialMBS)

download: The download that received the authentication challenge.
challenge: The authentication challenge.

Determine how to respond to the authentication challenge in this method. Then set AuthChallengeDisposition to AuthChallenge* constants and pass the credentials to use.

If you don’t implement this method, the web view responds to the challenge with AuthChallengeRejectProtectionSpace.

WKWebViewControlMBS.downloadWillPerformHTTPRedirection(download as WKDownloadMBS, response as NSURLResponseMBS, request as NSURLRequestMBS, byref DownloadRedirectPolicy as Integer)

download: The download that receives the redirect response.
response: The redirect response.
request: The new request the web view sends as a result of the redirect response.

Set DownloadRedirectPolicy to either DownloadRedirectPolicyAllow or DownloadRedirectPolicyCancel.

A download redirect policy that indicates whether to proceed with the redirect.

Determine whether to proceed with the redirect. Then invoke the decisionHandler closure, providing a download redirect policy that indicates whether to proceed with the redirect.

If you don’t implement this event, the web view proceeds with all redirects.