Render MHTML to XAML within C++ Applications

Convert MHTML to XAML within your C++ Applications without using Microsoft® PowerPoint

 

Are you a C++ developer looking to add to integrate MHTML to XAML conversion feature inside your C++ applications? You can do it in two simple steps. You can export MHTML to PPTX by using Aspose.PDF for C++ . Secondly, by using Aspose.Slides for C++ , you can convert PPTX to XAML. Both APIs come under Aspose.Total for C++ package.

C++ API to Export MHTML to XAML

  1. Open MHTML file using Document class reference
  2. Convert MHTML to PPTX by using Save method function
  3. Load PPTX document by using Presentation class reference
  4. Save the document to XAML format using Save member function and set Xaml as SaveFormat

Get Started with C++ File Automation APIs

Install from command line as nuget install Aspose.Total.Cpp or via Package Manager Console of Visual Studio with Install-Package Aspose.Total.Cpp.

Alternatively, get the offline MSI installer or DLLs in a ZIP file from downloads .

// load MHTML file with an instance of Document class
auto doc = MakeObject<Document>(u"template.mhtml");
// save MHTML as PPTX format 
doc->Save(u"PptxOutput.pptx", SaveFormat::Pptx);
// instantiate a Presentation object that represents a PPTX file
SharedPtr<Presentation> prs = MakeObject<Presentation>(u"PptxOutput.pptx");
// save the presentation as Xaml format
prs->Save(u"output.xaml", Aspose::Slides::Export::SaveFormat::Xaml);  

Change Password of MHTML Document via C++

In the process of rendering MHTML to XAML, you can open a password protected MHTML and also change its password. In order to change the password of a MHTML file, you must know the owner password of that document. You can load password protected PDF document with Aspose.PDF for C++ by specifying its owner password and use ChangePasswords method to change the password.

// load an existing MHTML Document
auto doc = MakeObject<Document>(L"input.mhtml", L"owner");
// change password of MHTML Document
doc->ChangePasswords(L"owner", L"newuser", L"newuser");
// save the document
doc->Save(L"output.Doc");

Add Images From Web in XAML File via C++

After converting MHTML to XAML, you can also add images from web to your output document. Aspose.Slides for C++ supports operations with images in these popular formats: JPEG, PNG, BMP, GIF, and others. You can add one or several images on your computer onto a slide in a presentation. This sample code in C++ shows you how to add an image to a XAML file

// instantiate a Presentation object that represents a XAML file
auto pres = System::MakeObject<Presentation>("output.xaml");
// get slide
auto slide = pres->get_Slides()->idx_get(0);
// initialize Web Client    
auto webClient = System::MakeObject<WebClient>();
// get image data
auto imageData = webClient->DownloadData(System::MakeObject<Uri>(u"[REPLACE WITH URL]"));
// add image
auto image = pres->get_Images()->AddImage(imageData);
// add picture frame
slide->get_Shapes()->AddPictureFrame(ShapeType::Rectangle, 10.0f, 10.0f, 100.0f, 100.0f, image);
// save updated file
pres->Save(u"updated.xaml", SaveFormat::Xaml);

Other Conversion Options

MHTML TO POTM (Microsoft PowerPoint Template File)
MHTML TO SWF (Shockwave Flash Movie)
MHTML TO PPSX (PowerPoint Slide Show)
MHTML TO PPT (Microsoft PowerPoint 97-2003)
MHTML TO POTX (Microsoft PowerPoint Template Presentation)
MHTML TO ODP (OpenDocument Presentation Format)
MHTML TO PPSM (Macro-enabled Slide Show)
MHTML TO PPTM (Macro-enabled Presentation File)
MHTML TO PPS (PowerPoint Slide Show)
MHTML TO OTP (OpenDocument Standard Format)
MHTML TO POT (Microsoft PowerPoint Template Files)

MHTML What is MHTML File Format?

Files with MHTML extension represent a web page archive format that can be created by a number of different applications. The format is known as archive format because it saves the web HTML code and associated resources in a single file. These resources include anything linked to the webpage such as images, applets, animations, audio files and so on. MHTML files can be opened in a variety of applications such as Internet Explorer and Microsoft Word. Microsoft Windows uses MHTML file format for recording scenarios of problems observed during the usage of any application on Windows that raises issues. The MHTML file format encodes the page contents similar to specifications defined in message/rfc822 which is plain text email related specifications. The actual specifications of the format are as detailed by RFC 2557.

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XAML What is XAML File Format?

XAML, Extensible Application Markup Language, extension files describe the user interface elements for software applications based on Windows Presentation Foundation (WPF). Though a language, it doesn&rsquo;t require to be programmed as it is based on standard format of XML which is easy to use and understand. XAML (pronounced as &ldquo;zammel&rdquo;) was developed by Microsoft with specific aim for creating user interfaces. Its acronym original stood for Extensible Avalon Markup Language, where Avalon was the code-name for WPF. XAML files are sometimes saved with XOML extension as well.

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