ddanbe

I don't know with the info you provided. The only thing I can tell for sure is that you acsessed an object before initializing it.

Barbados

Congratulations Dr. !!!

Hi Don, Maybe you used a font, not available on the user's computer?

I suppose you want to do rotations in 3D etc.? The math involved can get quite complicated. (Try "*quaternion*") So the only advise I can give is -you can hardly get around it- study some math about 3D matrix transformations. Alas, I believe there is no way around it.

It be having to do something with screencoordinates. Start with having a look at the [PointToScreen](https://msdn.microsoft.com/en-us/library/system.windows.forms.control.pointtoscreen%28v=vs.110%29.aspx) method.

`Pneumono` = concerning the lungs, like in *pneumonia* `ultramicroscopic` = smaller than microscopic `silico` = from silicon the element found in sand and rocks(and in computerchips!) `volcano` = from a volcanic eruption `coniosis` = lungdisease caused by inhalation of dust

You have an idea. You program it on a computer. (That alone is amazing, you tell a thing to do something for you) It does not work.It never does. Then starts the most interesting phase: debugging. Figuring out why it's not working. The thrills and hapiness you feel when your …

[This](http://www.amazon.co.uk/dp/0262533057/ref=wl_it_dp_o_pd_S_img?_encoding=UTF8&colid=1E27JBT4MO550&coliid=IYJXGK58GO7O6) could be a good book to start with.

I don't use it. Mostly develop small things for my own in VS2010 C#,C++,Python,F#. @rubberman: Could you elaborate on what you mean by the rules of MS?

Could you give me the email address of your teacher/professor? So I can email him/her the solution and you can continue with whatever you are busy doing and don't have to bother any further.

`ElseIf IsNumeric(iNumber = 2) Then` Is `iNumber` always 2? The first time it is 1.

AFAIK it has not much influence, so I should not worry too much. Have a look at the downvotes Dani already recieved, perhaps it will cheer you up! :)

Would it be simular to [pruning](http://en.wikipedia.org/wiki/Pruning_%28decision_trees%29)?

Plans exist to put [cows on the Moon](http://apod.nasa.gov/apod/ap150401.html)!

Are you serious? Joking? Suppose I would have an idea of that sort, what makes you think I would share that with you? Think for yourself and come up with your own idea.

If it would be possible to change into a List, you would have an IndexOf method. This is a simple example, that might give you a hint: List<int> vertices = new List<int> { 1, 3, 5, 4, 9, 6 }; var V3 = (from cur in vertices where (cur == …

Be yourself.

Or a label like *"WITH FRESH EGGS!"*. Why mention it? With what else would the product have been made? Rotten eggs?

Could you sendin some code or some drawing of your classes structure. It would make it much clearer. O, and inheriting from multiple classes is not possible in C#.

It is more complexer than that HiHe. A mixsture of fuel and air explodes to drive the engine. The oxygen not only oxidates the fuel, but also the nitrogen from the air to form different nitrogenoxides which contribute to smog forming. But the OP surely has a solution for that …

Define "better".

A list is one of the possible implementations, you could use, to implement a stack or a queue. Anotherone would be an array.

Language?

Did you try to save the excel file first?

Welcome Mike, enjoy the experience of DaniWeb!

Besides your horrible indentation(you definitly work on that) the code at first sight, looks quite OK. I think you just need to use an endline now and then. `cout << "a line" << endl`

Could it be that the third parameter in you new function is the number of times in your for loop?

Could you give me the email of your teacher/proffessor, so I can email him/her the solution? In that way, you can continue with whatever you where doing and don't have to bother any further.

It is not common to use a messagbox in a console application, that's why the reference to Forms is not included by default. If you would startup a Forms application, it will be there.

AFIAK The Form constructor has no overloads. [See here](https://msdn.microsoft.com/en-us/library/system.windows.forms.form.form%28v=vs.85%29.aspx). If you have a second form you can refer to another form by adding a field not by passing parameters.

Could you give me the email of your teacher/proffessor, so I can email him/her the solution? In that way you can continue with whatever you where doing and don't have to bother any further.

You could time them. C# has a [Stopwatch class](https://msdn.microsoft.com/en-us/library/system.diagnostics.stopwatch%28v=vs.110%29.aspx).

OK, I believe you: *it doesn't work* now tell me, how can I find out what does not work if you just give me some code and tell me it does not work? I'd like to know WHAT is not working, that it probably is not working is obvious for …

We all need something. First: Read the rules before posting. Second: Post in a new thread, where you can refer to this old thread. Show some evidence what you have done and we will be most happy to try to help you out with all your problems and questions about …

You are only filling up the diagonal of a 100x100 matrix with two one dimensional arrays. Is that your intention? What is the value of n?

You should remove the ref keyword.

WHY DO YOU HAVE TO SHOUT SO LOUD!?!?! Besides that, read the rules. No one is going to help you here. First show some effort yourself.

'I am doing something wrong and I can't figure it out.' Unless you don't tell us WHAT you are doing wrong(wrong behaviour, errors etC.) we can't figure it out either, by oly looking at your code. Line 9 in your timer2_Tick event handler seems far from OK.

Suspect, you are using Visual Studio. Why do you use the old fashioned method Debug.WriteLine? Why not use the marvelous debugger who sits right under your fingertips? Set some breakpoints and stroll through your code and watch variables change on the way! This is a [nice articl](http://www.codeproject.com/Articles/79508/Mastering-Debugging-in-Visual-Studio-A-Beginn)e about it.

In the properties window, you can change many properties of a button to fit your needs. Have a look at the generated code in the form.h file. See how it works and if you wish, you can write this code for yourself also.

No.

What do you consider "*general properties*", could you give an example?

Google: Random C#

Yes, we can probably solve this. As soon as we see some code...

`entrada` is a private string, returned by the public property `entradas` `if (entradas == "Marketing")` instead of `if (entrada == "Marketing")` ?

Google is your friend... Seek and thou wilst find.

Some 10-15 years ago I had a Mac. I used something called **BootCamp** to switch between Mac and Windows. Worked very good. There is also something like it called **Parallels**. But if it is only GetTickCount, I'm sure there must be some sort of Timer lib on the Mac with …