Do you have a .net 4.5 Windows store compatible versionto convert HTML to image?
Thanks for your inquiry. You can use 4.0 .NET Framework with the project targeting 4.5 .NET Framework. Moreover, You cannot directly convert HTML to Image but can achieve your requirements in two steps, using Aspose.PDF. Initially you need to convert HTML to PDF and later can convert PDF to desired image format. Please check following documentation link for details/code snippet.
Please feel free to contact us for any further assistance.