CoreWebView2.NavigateWithWebResourceRequest Method

Definition

Namespace:

Microsoft.Web.WebView2.Core

Assembly:

Microsoft.Web.WebView2.Core.dll

Package:

Microsoft.Web.WebView2 v1.0.2903.40

Navigates using a constructed CoreWebView2WebResourceRequest object.

public void NavigateWithWebResourceRequest (Microsoft.Web.WebView2.Core.CoreWebView2WebResourceRequest Request);

member this.NavigateWithWebResourceRequest : Microsoft.Web.WebView2.Core.CoreWebView2WebResourceRequest -> unit

Public Sub NavigateWithWebResourceRequest (Request As CoreWebView2WebResourceRequest)

Parameters

Request

CoreWebView2WebResourceRequest

The constructed web resource object to provide post data or additional request headers during navigation.

Examples

// Prepare post data as UTF-8 byte array and convert it to stream
// as required by the application/x-www-form-urlencoded Content-Type
var dialog = new TextInputDialog(
    title: "NavigateWithWebResourceRequest",
    description: "Specify post data to submit to https://www.w3schools.com/action_page.php.");
if (dialog.ShowDialog() == true)
{
    string postDataString = "input=" + dialog.Input.Text;
    UTF8Encoding utfEncoding = new UTF8Encoding();
    byte[] postData = utfEncoding.GetBytes(
        postDataString);
    MemoryStream postDataStream = new MemoryStream(postDataString.Length);
    postDataStream.Write(postData, 0, postData.Length);
    postDataStream.Seek(0, SeekOrigin.Begin);
    CoreWebView2WebResourceRequest webResourceRequest =
      WebViewEnvironment.CreateWebResourceRequest(
        "https://www.w3schools.com/action_page.php",
        "POST",
        postDataStream,
        "Content-Type: application/x-www-form-urlencoded\r\n");
    _iWebView2.CoreWebView2.NavigateWithWebResourceRequest(webResourceRequest);
}

Remarks

The headers in the CoreWebView2WebResourceRequest override headers added by WebView2 runtime except for Cookie headers. Method can only be either GET or POST. Provided post data will only be sent only if the method is POST and the uri scheme is HTTP(S).