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Author Archives: Usman Aziz
Find and Replace Text in PDF using C#
The find and replace option makes it possible to replace a particular piece of text in a document in one go. This way, you do not have to locate and update each occurrence of the text in the whole document manually. This article even goes one step further and covers how to automate find and replace text feature in PDF documents. Particularly, you will learn how to find and replace text in a whole PDF, a particular page, or a page region using C#.
Add or Modify VBA Macros in Excel Files using C#
VBA (Visual Basic for Applications) is a programming language that is used in MS Excel files in order to automate the spreadsheets related operations. VBA macros are used to write user-defined functions that let you speed up the tasks you have to perform manually. In this article, you will learn how to work with VBA macros in MS Excel files programmatically. By the end of this article, you will be able to extract, add, and modify VBA macros in Excel workbooks using C#.
Convert XPS to BMP, JPEG, PNG, and TIFF using Java
XPS (XML Paper Specifications) format was introduced by Microsoft that represents page layout. It uses XML tags to represent the appearance of the pages and the composition of the document. In this article, you will learn about the conversion of XPS documents to raster image formats programmatically. Particularly, the article will cover how to convert XPS to BMP, JPEG, PNG, and TIFF using Java.
Convert PSD to PDF, JPG, PNG, GIF, BMP, and JPEG 2000 in Java
PSD format is used by Adobe Photoshop in order to save the data related to graphical designs. A PSD file may consist of single or multiple layers that collectively form the graphics. However, to view or embed the PSD images directly into your web or desktop applications is not feasible. In order to cope with this issue, you can convert the PSD document to PDF or raster image formats. In accordance with that, this article provides some simple ways of converting PSD files to PDF, PNG, JPEG, GIF, and other image formats using Java.
Protect and Unprotect Excel Files using C#
MS Excel provides convenient ways of storing and managing small or large amounts of data. Workbooks are widely used to maintain the datasets, analyze the data, perform activities related to finance or human resources, and etc. With the advancement in technology, the ways of getting unauthorized access to data have also been increased. Therefore, MS Excel lets you protect the workbooks using the password. In this article, you will learn how to automate the spreadsheet protection features and protect or unprotect Excel files programmatically using C#.
Using System.Drawing in Linux without libgdiplus
If you ever had to run your .NET Core applications on Linux you may have noticed that one of the main problems is the lack of System.Drawing assembly in standard .NET Core package. Even though Microsoft recommends to use System.Drawing.Common, that is not the ultimate solution. You have to run ‘sudo’ on each user machine to have libgdiplus library installed. And even after that, your rendering results will be slightly different from those you have on Windows machines. In order to cope with this issue, this article covers how to use the System.Drawing in Linux without libgdiplus library.
Mail Merge in MS Word Documents using Java
This post covers how to perform Mail Merge operations in MS Word documents using Java. By the end of this article, you will learn how to create Mail Merge templates and execute Mail Merge programmatically.