counting chars that use delegates (vb.net) - vb.net

I have been struggling for a while on how to count characters using delegates on vb.net (console application). If anyone is able to explain how to this, I would greatly appreciate it. Thanks.

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TreeViewAdv: How to add columns and nodes in Vb .Net

Anyone using TreeViewAdv ?
On Internet, there is NO information about how to use it in VB .Net.
Can someone explain that how to add nodes and columns in it, in VB .Net please?

What is the VB.net equivalent to VB6 MSComm.CommPort?

I am converting a VB6 application to a VB.net application. I have been able to convert all of the code properly other than lines calling the MSComm.CommPort property. I cannot find an equivalent to this property anywhere.
All of information I have found on converting from VB6 to VB.NET provides a code example like this, but it never explain where the MSComm.CommPort control is dealt with.
If anyone can tell me the VB.NET Comm Port class equivalent, or point me in the direction of a proper explanation, it would be greatly appreciated.
Here you go have a read of this tutorial http://www.dreamincode.net/forums/topic/37361-serial-port-communication-in-vbnet/

Image Buffering in Visual Studio (Any Version)

Hey there I was wondering if anyone had a solution to the problem I am having when programming in Microsoft Visual Studio with VB.NET.
Basically I want to know how to load images on a form faster. I am creating a 1 form design of a program and whenever I use too many images, it takes >20 seconds to load and becomes really slow. I was looking to see if anyone has managed to find a work around around this however I can't seem to find one.
Any help would be greatly appreciated :)

How can i detect that something is plugged in to the audio jack with vb.net

Is there a way to do this in vb.net? I've searched everywhere but cant find any answers. Any help would be appreciated.
You can use endpoint device events
http://msdn.microsoft.com/en-us/library/dd370810%28v=VS.85%29.aspx
Sample code is only in C# but you can use any of the many C# to VB.NET code conversion tools to figure it out.

Is there a VB.NET version of this code?

I have found this amazing control that does exactly what I need, only problem, its in C#.
Does anyone know of a VB version of this code? I've tried using converters, but all of them have failed in successfully converting the project. Maybe one of you guys knows how to convert it?
Anyway, here is the control:
http://www.codeproject.com/KB/edit/FastColoredTextBox_.aspx
Apreciate any help!
Could you compile this into its own assembly and then reference it as a control? That way, you wouldn't have to port it to VB.net.
We have used Instant VB to convert tens of thousands of lines of code from C# to VB and they are pretty helpful if you run into conversion issues.