Method PrintToPrinter

SampleApps/WebView2APISample/AppWindow.cpp:1300–1384

[PrintToPrinter] This example prints the current web page to a specified printer with the settings.

//! [PrintToPrinter]
// This example prints the current web page to a specified printer with the settings.
bool AppWindow::PrintToPrinter()
{
    std::wstring printerName = GetPrinterName();
    // Host apps custom print settings based on the user selection.
    SamplePrintSettings samplePrintSettings = GetSelectedPrinterPrintSettings(printerName);

    wil::com_ptr<ICoreWebView2_16> webView2_16;
    CHECK_FAILURE(m_webView->QueryInterface(IID_PPV_ARGS(&webView2_16)));

    wil::com_ptr<ICoreWebView2Environment6> webviewEnvironment6;
    CHECK_FAILURE(m_webViewEnvironment->QueryInterface(IID_PPV_ARGS(&webviewEnvironment6)));

    wil::com_ptr<ICoreWebView2PrintSettings> printSettings;
    CHECK_FAILURE(webviewEnvironment6->CreatePrintSettings(&printSettings));

    wil::com_ptr<ICoreWebView2PrintSettings2> printSettings2;
    CHECK_FAILURE(printSettings->QueryInterface(IID_PPV_ARGS(&printSettings2)));

    CHECK_FAILURE(printSettings->put_Orientation(samplePrintSettings.Orientation));
    CHECK_FAILURE(printSettings2->put_Copies(samplePrintSettings.Copies));
    CHECK_FAILURE(printSettings2->put_PagesPerSide(samplePrintSettings.PagesPerSide));
    CHECK_FAILURE(printSettings2->put_PageRanges(samplePrintSettings.Pages.c_str()));
    if (samplePrintSettings.Media == COREWEBVIEW2_PRINT_MEDIA_SIZE_CUSTOM)
    {
        CHECK_FAILURE(printSettings->put_PageWidth(samplePrintSettings.PaperWidth));
        CHECK_FAILURE(printSettings->put_PageHeight(samplePrintSettings.PaperHeight));
    }
    CHECK_FAILURE(printSettings2->put_ColorMode(samplePrintSettings.ColorMode));
    CHECK_FAILURE(printSettings2->put_Collation(samplePrintSettings.Collation));
    CHECK_FAILURE(printSettings2->put_Duplex(samplePrintSettings.Duplex));
    CHECK_FAILURE(printSettings->put_ScaleFactor(samplePrintSettings.ScaleFactor));
    CHECK_FAILURE(
        printSettings->put_ShouldPrintBackgrounds(samplePrintSettings.PrintBackgrounds));
    CHECK_FAILURE(
        printSettings->put_ShouldPrintBackgrounds(samplePrintSettings.PrintBackgrounds));
    CHECK_FAILURE(
        printSettings->put_ShouldPrintHeaderAndFooter(samplePrintSettings.HeaderAndFooter));
    CHECK_FAILURE(printSettings->put_HeaderTitle(samplePrintSettings.HeaderTitle.c_str()));
    CHECK_FAILURE(printSettings->put_FooterUri(samplePrintSettings.FooterUri.c_str()));
    CHECK_FAILURE(printSettings2->put_PrinterName(printerName.c_str()));

    wil::unique_cotaskmem_string title;
    CHECK_FAILURE(m_webView->get_DocumentTitle(&title));

    CHECK_FAILURE(webView2_16->Print(
        printSettings.get(),
        Callback<ICoreWebView2PrintCompletedHandler>(
            [title = std::move(title),
             this](HRESULT errorCode, COREWEBVIEW2_PRINT_STATUS printStatus) -> HRESULT
            {
                std::wstring message = L"";
                if (errorCode == S_OK && printStatus == COREWEBVIEW2_PRINT_STATUS_SUCCEEDED)
                {
                    message = L"Printing " + std::wstring(title.get()) +
                              L" document to printer is succeeded";
                }
                else if (
                    errorCode == S_OK &&