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Turns out the TextBox name was the problem. "txtFullMoonDates" should be "txtFullMoonDate".

Thanks!

Greetings.

I'm getting the unhandled NullReferenceException error when I run the following code:

private void btnCalcMoonPhase_Click(object sender, EventArgs e)
{
MoonForm...

Thank you for taking the time to provide this information. :-)

I'll go check them out now and hopefully it will get me to where I need to go.

Thanks again.

Does anyone know of any available code that would allow me to get the FULL MOON dates for my area?

I've used old VB6 code to do this but am trying to learn C# so my current project is in C#.

I...

True.

I'm all for clarity.

If you can achieve that in less lines though, that's preferable. :)

Yes.

The first example I knew. It is that having to create an extra variable to hold the value first just seemed like a waste as I have been used to doing without in VB.

The second example,...

Beginner question:

I want to do some math during runtime and assign the result to a textbox.

I'm having TYPE problems.

For example:

double dValue1;
double dValue2;

It would appear that I was looking in the wrong place. When I went back to find the property, it was there. Brain fart I suppose.

Thank you.

It would be if such an event actually showed up in the event list for the radio button, which is appears not to.

Anyway, an answer was provided at another site shown below:

"RadioButton.TabStop...

Hello.

I have a simple form that contains a couple of textboxes and a group of 3 radio buttons.

I want the focus to go back and forth between the two textboxes only when the user clicks on the...

Yep. Kinda hitting a brick wall on this.

Thanks. :)

Thanks.

I will check that out.

But yes, I know the signature. I guess that means if I know what parameters it takes and what it returns. This I know.

I don't know if they have Excel...

Yes, but I do not want to open Excel, or a spreadsheet.
I do not wish to use Excel at all.

I can use the functions within xlMath.xll in my Excel programs by declaring xlMath.xll within a VBA...

First, I would like to say thank you for taking time on this. Very generous of you. :-)

Unfortunately, we have not been addressing the problem I am asking about.

In the example code you...

Thanks for your reply.

Unfortunately, recording a Macro is not going to show how to call a function from within a XLL file inside VB6 code.

So does that mean that you cannot call a XLL function from within VB6?

I have no desire to distribute office files. This is for my own personal use.

But I would like to use the function within...

I have an .XLL file from Excel that contains a function that I would like to use in a VB6 program.

While I do not know what the function does from within (blackbox) and do not really care, I do...

Thank you.

I'll check them out. :)

Anyone know where I can find code in C# that returns the date of a full moon. Perhaps all the full moons between two dates, or some other way of reference?

Thanks.

That was one of the ways I tried to do it.

Anyway, I discovered the problem.

You cannot assign values to structure members from within...

public partial class MainWindow : Window
{
}

Coming from a VB6 background, I'm trying to get a handle on VS 2010 C#.

Online, I located a file called MSFL.cs that contains structure definitions in a STATIC class container.

One of the...

Unfortunately running gcc -v only gives me an error.

The NTVDM CPU has encountered an illegal instruction.

This is Windows 7. I had to give myself permission just to run it to this point. Yet,...

This is a new installation. I downloaded the latest cygwin. Not sure how to tell what the version of gcc is. Looking at the properties doesn't seem to help.

Isn't the ANSI C++ standard dated...

I'm not sure how to answer your question.

All I know is that unless I add the std:: that you just showed me, it will give me those errors.

You seem to know what this issue is. I'm a newbie, so...

Greetings.

I'm getting the following error while using Netbeans 6.9.1 on C++ code.

../GNU_iomanip.h:27: error: expected constructor, destructor, or type conversion before '&' token...