Tag Archives: C/C++/C#

Draw on stretched, zoomed, or centered images in PictureBox in C#

When I wrote an application, eDigitizer 2.0 and its new release eDigitizer 2.10,  that allows user to draw lines on images in the PictureBox control, I encountered a problem that lines or shapes I drew on the image are off … Continue reading

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Use libcurl.net at C# project – a complete solution

Introduction When I am working on TwitterGIFT project, I need find how to use Twitter API in my C# project. I know CURL is really good at Linux environment. My PERL script use it to access Twitter API functions. It … Continue reading

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A C# class to control Excel – A core class used in TWE 2.0

This class was developed from the basic framework Vahe Karamian created in 2005. It is a complete solution to control Microsoft Excel from C#.Net. It allows you to create an Excel object and control a lot of the Excel functionalities such as getting worksheet information, extracting data from the worksheet given a range, and manipulating data in many ways. You can use this class freely in your C# project. If you find and fix bugs please write comments to this post. Read Karamian’s original article to find out how to use the code. You can download all source code in a zip file through the link at the end of the post. Continue reading

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A web-based html page editor in C#/VB.Net

I wrote a web-based html page editor in C#/VB.Net a while ago when I used to use Windows IIS web server. The idea in the C#/VB.Net is still good. You may find it useful and borrow ideas from it. The … Continue reading

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Create PowerPoint slide in C#

There are situations we need control MS Office components in our program, for example, manipulate data in Excel workbook, generate PowerPoint slides, intracte with Access database etc. In this article, I will provide detail information about how to control PowerPoint … Continue reading

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