Insights, tutorials, and updates from the Foxit PDF SDK engineering team.
(The answer is no, not in the current Delphi source code version, but read below because the more accurate answer is “no, but that’s okay because Microsoft guarantees that only the bottom 32-bit range of handles is used in Windows”.) The current build system for the Delphi-based version of Foxit Quick PDF Library cannot handle [...]
Sometimes when drawing many paths on a PDF, for example when exporting thousands of lines from a CAD plot to a PDF, the process of drawing the paths can be slow. The slowness is related to the process of adding the required commands to the content stream and reallocating memory each time a new path [...]
Despite the unhelpful name, the BadImageFormatException error almost always results from confusion with 32-bit/64-bit DLLs and project settings. For example, you’ve tried to load a 32-bit DLL into a 64-bit application or you’ve tried to load a 64-bit DLL into a 32-bit application. This error message can be easily replicated in a 32-bit C# application [...]
When dealing with PDF files that are very large in file size (north of 1 GB) or PDF files that have many pages (north of 1,000 to 10,000 depending on documents contents) it is desirable or sometimes necessary to write code that ensures memory usage does not climb too high. We will continue to enhance [...]
Registration-free COM allows you to use an ActiveX DLL or ActiveX Control in your application without having to register the ActiveX on the end-users machine using regsvr32. It does this by creating a manifest file which if distributed with the executable means that no registration is required. This is only supported in versions of Windows XP [...]
Under normal circumstances, a user can download and install a 30-day trial version of any Foxit product for each machine. Once that time has elapsed, the evaluation license will expire, and the software will be cease to function until it is activated by entering a full license key. If a new major update to the [...]
Foxit Quick PDF Library can be used in ASP.NET Website projects to add rich PDF features to websites. It works in much the same way as it does for regular desktop or server applications. Please note: there is a difference between a ASP.NET Website project and a ASP.NET Web Application project. This article deals with ASP.NET Website [...]
No, Foxit Quick PDF Library does not support inserting images into PDF form fields. This article refers to a deprecated product. If you are looking for support for Foxit PDF SDK, please click here.
Pages in a PDF use points (1/72 of an inch) as the default measurement units with the origin or the coordinate system at the bottom left corner of the page. The measurement units can be changed using the SetMeasurementUnits function to inches or millimetres. The origin can be set to the top-left corner of the page (or [...]
Foxit Quick PDF Library has a new rendering and printing add-on which provides much improved support for transparency, shading patterns and tiling patterns when rendering and printing PDF files. This new rendering engine is part of Foxit Quick PDF Library. It is a separate DLL which will need to be copied, loaded and then called from within your [...]