3CX Call Control API on 3CX Phone System version 15
I revisited the 3CX Call Control API in one of my latest projects, this time on 3CX version 15.5. The last
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.NET Framework
Fixing PlatformNotSupportedException when running Window Communication Foundation applications
A few days ago when attempting to run a custom Windows Communication Foundation (WCF) application on a customer’s server, I encountered the
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Programming the Tektronix TDS 340 100MHz digital storage oscilloscope
In my previous article I provided some information on the Tektronix TDS 340 100 MHz digital storage oscilloscope and instructions
Read moreAccessing 3CX Call Data Record (CDR) PostgreSQL database
UPDATE (May 2018): See my latest article for more information on how to manage calls programmatically on 3CX v15. The article below was
Read moreCreating calls and conferences using 3CX Call Control API
UPDATE (May 2018): See my latest article for more information on how to manage calls programmatically on 3CX v15. The article below was
Read moreConverting an Outlook Form Template (OFT) to a .NET Windows form in Visual Studio
In one of my work projects, I was assigned with the task of developing a standalone Windows form application to
Read moreAllowing only numeric input in a TextBox
You may have seen a Windows textbox that would disallow non-numeric input, showing an error message like in the following
Read moreBeware when using DES/TripleDES for data encryption
I recently worked on a secure device application which requires a PIN code to be entered as startup.The application database
Read moreSerializableDictionary and System.InvalidOperationException
I recently attempted to use Paul Welter’s SerializableDictionary in one of my Windows Mobile projects, Everything seems to work well
Read moreExtension method and VB.NET With construct
Recently I came across a codeproject article about extension methods in VB.NET, where one reader complained that he could not
Read moreIdentifying used and unused resources in a Visual Studio’s project Resources.resx file
If you often use project resources in a Visual Studio project, be it VB or C#, eventually you will end
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