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.NET Framework 3CX Software Development VoIP 

3CX Call Control API on 3CX Phone System version 15

May 8, 2018August 2, 2018 ToughDev 10 Comments 3cx, call control api, pjsip, voip

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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wcf_activation_services
.NET Framework Software Development Windows Tips 

Fixing PlatformNotSupportedException when running Window Communication Foundation applications

December 20, 2017May 22, 2018 ToughDev 0 Comment platformnotsupportedexception, wcf

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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ui-interface
.NET Framework Hardware Oscilloscope Software Development Useful Projects Vintage Computing 

Programming the Tektronix TDS 340 100MHz digital storage oscilloscope

January 14, 2014October 6, 2016 ToughDev 6 Comments

In my previous article I provided some information on the Tektronix TDS 340 100 MHz digital storage oscilloscope and instructions

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.NET Framework 3CX Database Software Development VoIP 

Accessing 3CX Call Data Record (CDR) PostgreSQL database

October 2, 2013May 22, 2018 ToughDev 14 Comments

UPDATE (May 2018): See my latest article for more information on how to manage calls programmatically on 3CX v15. The article below was

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.NET Framework 3CX Reverse-engineer Software Development VoIP 

Creating calls and conferences using 3CX Call Control API

September 7, 2013May 22, 2018 ToughDev 5 Comments

UPDATE (May 2018): See my latest article for more information on how to manage calls programmatically on 3CX v15. The article below was

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.NET Framework Software Development Windows Tips 

Converting an Outlook Form Template (OFT) to a .NET Windows form in Visual Studio

July 18, 2013May 21, 2018 ToughDev 0 Comment

In one of my work projects, I was assigned with the task of developing a standalone Windows form application to

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.NET Framework Software Development Telerik 

Allowing only numeric input in a TextBox

August 15, 2010May 21, 2018 ToughDev 0 Comment

You may have seen a Windows textbox that would disallow non-numeric input, showing an error message like in the following

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.NET Compact Framework .NET Framework General Programming Software Development 

Beware when using DES/TripleDES for data encryption

July 17, 2010 ToughDev 0 Comment

I recently worked on a secure device application which requires a PIN code to be entered as startup.The application database

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.NET Compact Framework .NET Framework Software Development 

SerializableDictionary and System.InvalidOperationException

June 19, 2010 ToughDev 0 Comment

I recently attempted to use Paul Welter’s SerializableDictionary in one of my Windows Mobile projects, Everything seems to work well

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.NET Framework Software Development VB.NET 

Extension method and VB.NET With construct

June 13, 2010 ToughDev 0 Comment

Recently I came across a codeproject article about extension methods in VB.NET, where one reader complained that he could not

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.NET Framework Microsoft Visual Studio Software Development 

Identifying used and unused resources in a Visual Studio’s project Resources.resx file

May 3, 2010 ToughDev 9 Comments

If you often use project resources in a Visual Studio project, be it VB or C#, eventually you will end

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