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interface ICoreWebView2Environment2

  • Articolo

Note

This reference is no longer being maintained. For the latest API reference, see WebView2 API Reference.

interface ICoreWebView2Environment2
  : public ICoreWebView2Environment

A continuation of the ICoreWebView2Environment interface.

Summary

Members Descriptions
CreateWebResourceRequest Create a new web resource request object.

Applies to

Product Introduced
WebView2 Win32 1.0.705.50
WebView2 Win32 Prerelease 1.0.721

Members

CreateWebResourceRequest

Create a new web resource request object.

public HRESULT CreateWebResourceRequest(LPCWSTR uri, LPCWSTR Method, IStream * postData, LPCWSTR Headers, ICoreWebView2WebResourceRequest ** value)

URI parameter must be absolute URI. The headers string is the raw request header string delimited by CRLF (optional in last header). It's also possible to create this object with null headers string and then use the ICoreWebView2HttpRequestHeaders to construct the headers line by line. For information on other parameters see ICoreWebView2WebResourceRequest.

        wil::com_ptr<ICoreWebView2Environment2> webviewEnvironment2;
        CHECK_FAILURE(appWindow->GetWebViewEnvironment()->QueryInterface(
            IID_PPV_ARGS(&webviewEnvironment2)));
        wil::com_ptr<ICoreWebView2WebResourceRequest> webResourceRequest;
        wil::com_ptr<IStream> postDataStream = SHCreateMemStream(
            reinterpret_cast<const BYTE*>(postDataBytes.get()), sizeNeededForMultiByte);

        // This is acts as a form submit to https://www.w3schools.com/action_page.php
        CHECK_FAILURE(webviewEnvironment2->CreateWebResourceRequest(
            L"https://www.w3schools.com/action_page.php", L"POST", postDataStream.get(),
            L"Content-Type: application/x-www-form-urlencoded", &webResourceRequest));
        wil::com_ptr<ICoreWebView2_2> webview2;
        CHECK_FAILURE(m_appWindow->GetWebView()->QueryInterface(IID_PPV_ARGS(&webview2)));
        CHECK_FAILURE(webview2->NavigateWithWebResourceRequest(webResourceRequest.get()));