In case you wanted to know, it’s not quite that difficult to trim pure white pixels from an image in .net. The crux of the problem is really getting access to the color data and understanding what you are looking at when you have it. I will be demonstrating a method using 24 bits per pixel images only, but the concepts can be applied to other types.
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Category Archives: C#.net
Breaking Down Space Invaders – A possible implementation in dot net
Breaking Down Space Invaders – A possible implementation in dot net
I have wanted to write a space invaders clone for a while, and thought to myself that it wasn’t really difficult at all, and I should write a blog about it. I am going to try and minimize the BS in order to keep the entry short enough and to the point.
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Dot Net html editor to image
Dot Net html editor to image
While working on a commercial project, I was involved in providing a simple html rendering engine. Simple in terms of not being 100% complete, not necessarily in complexity. To help debug this, I created a sample app that demonstrates the workings of an html editor and the rendering in action.
Parsing Html with Web Browser Control
Parsing Html with WebBrowser Control
It is relatively easy to parse html with the WebBrowser for VB and C# or any other .net language. The trick with the WebBrowser Control is to first load a blank document into the control by using one of the following methods:
Reusing the WebBrowser Control
Reusing the WebBrowser Control
I have found the need in several projects as of late to reuse the WebBrowser Control in .net languages such as c#/vb.net. I have not ventured into the j# domain, but I have also played around with c++.net a little bit for various projects. There are a couple of things to keep in mind when reusing the control in different scenarios – most of which for my purposes do not include in a windows form for display purposes. For the most part making sure that there is a reference to System.Windows.Forms dll is in your References and making sure that the using or imports statements are also included this is a good first start.
Unexpected Error Adding new Data Connection in Visual Studio
Unexpected Error Adding new Data Connection in Visual Studio
Recently I was adding a Data Connection in Visual Studio, and I found that I kept getting an error message box whenever I tried.
There were a number of suggestions such as:
devenv.exe /reset
and doing a repair install which didn’t work.
RPC and WCF Samples Coming Soon
RPC and WCF Samples Coming Soon
In a later article, we will be providing source code and examples of simple RPC client/server and a WCF service/client using the Microsoft Visual Studio environment.
If you are looking for information regarding these technologies, post a message on our facebook page
WM_COPYDATA with .net and c
WM_COPYDATA with .net and c
WM_COPYDATA is a window message that you can use as a very simple ipc(Inter Process Communication) mechanism. There are some small issues to overcome when using this with .net, the least of which is the need to use the user32.dll in .net.
Dot Net Regular Expression Callback
Dot Net Regular Expression Callback
Want to learn how to use regular expression callbacks in dot net languages? The following examples will be using c# for starters but you can easily translate that to vb. Optionally if anyone requests I can translate that to VB and send it.
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Capture Tab Key in dot net Textbox
Capture Tab Key in dot net Textbox
Although it would seemingly be a simple task to capture a tab to perform some special operation in a form like say – begin a processing thread or something like that, it is not necessarily straight forward.
Where to find sos.dll
Where to find sos.dll
If you are looking where to find sos.dll, please check the following locations before you download windebug tools:
C:\Windows\Microsoft.NET\Framework\v2.0.50727
C:\Windows\Microsoft.NET\Framework\v4.0.30319
For Details on why this may be missing in other framework versions see:
ASP.net SQL Vulnerabilities
In case anyone hasn’t been bashed over the head enough with SQL Injection strategies and mitigation, lets have a quick look at the simplest methods.