Re: How to call function after timer - C# Discussion Boards

Re: How to call function after timer

Member 141922163-Dec-20 8:25

Member 14192216

3-Dec-20 8:25

Can you help me with the code ? Please

Re: How to call function after timer

OriginalGriff3-Dec-20 9:01

OriginalGriff

3-Dec-20 9:01

What part of it can't you do on your own?
You know how to create an instance of a Timer, I assume?

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Re: How to call function after timer

Member 141922163-Dec-20 9:04

Member 14192216

3-Dec-20 9:04

I'know how to create

Re: How to call function after timer

OriginalGriff3-Dec-20 9:08

OriginalGriff

3-Dec-20 9:08

Good. So do that.
And you know how to set a property of an instance, yes?

Re: How to call function after timer

Member 141922163-Dec-20 9:10

Member 14192216

3-Dec-20 9:10

Yes

Re: How to call function after timer

OriginalGriff3-Dec-20 9:25

OriginalGriff

3-Dec-20 9:25

Excellent!
And you know how to add an event handler, I'm sure?

Re: How to call function after timer

Member 141922163-Dec-20 9:45

Member 14192216

3-Dec-20 9:45

No sir

Re: How to call function after timer

OriginalGriff3-Dec-20 10:02

OriginalGriff

3-Dec-20 10:02

Open Visual Studio.
Immediately after you set the Interval property, type the name of your Timer instance, followed by ".Tick":

myTimer.Interval = 60 * 1000;
myTimer.Tick

Press the Tab key. Intellisense will fill in the rest of the line, and create a Tick event handler for you, containing just a "not implemented" exception for you to replace with your code.

You've done that before, haven't you? It's pretty basic stuff!

Re: How to call function after timer

Member 141922163-Dec-20 22:06

Member 14192216

3-Dec-20 22:06

Thank you

Re: How to call function after timer

OriginalGriff3-Dec-20 22:20

OriginalGriff

3-Dec-20 22:20

You're welcome!

Take ownership from trustedinstaller to administrator c# or vb

Member 123929042-Dec-20 10:49

Member 12392904

2-Dec-20 10:49

how will I take ownership in registry subkey... from other owner(TrustedInstaller) to Administrator's.

Re: Take ownership from trustedinstaller to administrator c# or vb

Dave Kreskowiak2-Dec-20 18:21

Dave Kreskowiak

2-Dec-20 18:21

Google for "C# take ownership of registry key" for examples and start reading.

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Google: C# How to debug code
Seriously, go read these articles.

Dave Kreskowiak

Combine Array Values in C#

Member 130810652-Dec-20 3:51

Member 13081065

2-Dec-20 3:51

I have an array of string which is 

    string[] myarr = new[] { "a", "b", "c" };

Can you please help me how to get this result?

    a
    ab
    abc

I tried this one but I just don't know how to get the value from the array and add it on my list 

    string[] myarray = new string[] { "a", "b", "c" };
                List<string> resultarray = new List<string>();

                int i, j;
                for (i = 0; i <= myarray.Length; i++)
                {
                    for (j = i; j <= i; j++)
                    {

                        


                    }
                }

Re: Combine Array Values in C#

Richard MacCutchan2-Dec-20 4:02

Richard MacCutchan

2-Dec-20 4:02

A simple loop: print the first character, print the first and the second, ...

Re: Combine Array Values in C#

Richard Deeming2-Dec-20 4:08

Richard Deeming

2-Dec-20 4:08

Member 13081065 wrote:
C#
for (j = i; j <= i; j++)

What values do you think j is going to take within that loop?

Try debugging your code and stepping through the loops. Do the values you see in the debugger match what you were expecting?

NB: You don't need an inner loop at all. String.Join[^] has an overload which lets you specify the range of elements from the array that you want to join. For example:

string[] input = { "0", "1", "2", "3" };
string output = string.Join(string.Empty, input, 0, 3);
// Output === "012"

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Re: Combine Array Values in C#

OriginalGriff2-Dec-20 4:31

OriginalGriff

2-Dec-20 4:31

You get a value from an array by using an index - a numeric value that ruins from 0 to (N - 1), where N is the number of elements in the array. So valid indexes for your myarr array woudl be 0, 1, and 2.
If you want "a", then you use myarr[0]
If you want "b", then you use myarr[1]
If you want "c", then you use myarr[2]

That index value can be in a variable:

int index = 2;
Console.WriteLine(myarr[index]);

Would print "c" for example.

Think about what your tutor wants you do to, and work out how you would do it manually - that may help you work out what your code needs to do!

Give it a try - this isn't complicated!

Hint: you only need one loop!

Re: Combine Array Values in C#

Gerry Schmitz2-Dec-20 5:33

Gerry Schmitz

2-Dec-20 5:33

string[] myarr = new[] { "a", "b", "c" };

string s = string.Join( "", myarr);

for ( int i = 1; i <= s.length; i++ ) {
   Console.Writeline( s.Substring( 0, i ) );
}

It was only in wine that he laid down no limit for himself, but he did not allow himself to be confused by it.
― Confucian Analects: Rules of Confucius about his food

Unity connection with a smartwatch and getting heart rate data

SkyVenus30-Nov-20 23:30

SkyVenus

30-Nov-20 23:30

Hello, I am working on a project where I have to make connections with a smartwatch (Samsung gear s3) and a Unity application, then use the heart rate data in the Unity app. Any help is appreciated since I am experiencing problems making it work. Thank you in advance! ^^

Re: Unity connection with a smartwatch and getting heart rate data

Sandeep Mewara1-Dec-20 0:06

Sandeep Mewara

1-Dec-20 0:06

I see there are published articles on how to do it. Couple of them:
Use Tizen Web To Measure Heart Rate With Galaxy Watches | Samsung Developers
Unity and Samsung Gear S2/S3 – The NUDev Blog

Would suggest to try them. Resopnse to specific queries related to thrid party SDK that helps in reading data would be faster in the related forums. You can surely post here too if someone can help/has experience on them. Though, please be specific and share details of what problem you experience and the effort made. Thumbs Up | :thumbsup:

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Re: Unity connection with a smartwatch and getting heart rate data

SkyVenus1-Dec-20 3:11

SkyVenus

1-Dec-20 3:11

Well the problem is that I have never worked before with creating connections of such kind and I don't even know where to begin with. I am currently looking for a client that could establish these connections but still do not know how...

Re: Unity connection with a smartwatch and getting heart rate data

Gerry Schmitz1-Dec-20 5:34

Gerry Schmitz

1-Dec-20 5:34

My wallet is empty ... can you put some money in it? I'm having problems filling it.

It was only in wine that he laid down no limit for himself, but he did not allow himself to be confused by it.
― Confucian Analects: Rules of Confucius about his food

Re: Unity connection with a smartwatch and getting heart rate data

OriginalGriff1-Dec-20 9:30

OriginalGriff

1-Dec-20 9:30

I suspect that one will make a loud whooshing noise as it flies quickly above him ... Sigh | :sigh:

Re: Unity connection with a smartwatch and getting heart rate data

Gerry Schmitz1-Dec-20 18:23

Gerry Schmitz

1-Dec-20 18:23

I'm trying to get into their zone ... the twilight zone.

It was only in wine that he laid down no limit for himself, but he did not allow himself to be confused by it.
― Confucian Analects: Rules of Confucius about his food

Differences

michaelbarb30-Nov-20 5:53

michaelbarb

30-Nov-20 5:53

What is the difference between Show/Hide or Visible/Hidden"? I have some windows I need to keep running in the background. Searching for something yesterday I came accost a comment that said that Show/Hide are obsolete in a Wpf and I should be using the other. I cannot really find a difference except that Visible/Hidden has an event you can tie to the change.

So many years of programming I have forgotten more languages than I know.

Re: Differences

OriginalGriff30-Nov-20 6:20

OriginalGriff

30-Nov-20 6:20

If this is a WPF question, then it should be asked in the appropriate forum: Silverlight / WPF Discussion Boards[^] - this is a "Generic C#" forum.

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