I found Skype has API for developers. I can using Skype4COM to allow my C# code to access Skype, so that I can make a call or send a SMS via Skype from my C# application.

There are a lot of detialed tutorials in this URL:
https://developer.skype.com/Docs/Skype4COM/Example?action=show

I found a good tutorial about importing outlook contacts. Basically, you can use Outlook COM object to access the contacts.

Read more:
http://www.c-sharpcorner.com/UploadFile/rambab/OutlookIntegration10282006032802AM/OutlookIntegration.aspx

Mono 2.4.2 is released. Please download at http://www.go-mono.com/mono-downloads/download.html

That is common to have "AM/PM" in time format. That is usng "tt"
Example:

Code

In a windows shared webhost, normally, they are giving medium level of trust mode for you. Therefore, you can access some core functions such as accessing event log. In my cases, I can't call some custom assemblies. If I run asp.net web application, I will only use full trust mode.