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yoyonerd
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 Posted: Sun Nov 02, 2008 7:35 pm Post subject: [C#]How to save settings? |
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How can I save application settings?
I heard about .ini and .xml, i've also heard using the .settings built into .net which i heard creates an .xml for you
I would like to know maybe how i could do a couple of things:
save which of 2 radiobuttons was checked as the form was closing, and how to read WHICH button was last checked, and check it during run-time
how i could save the text of 2 different textboxes during closing, and upon runtime have the same text remain
i've saved text to like a .txt, but i can't seem to figure out how i can like "label" controls and such
i hope i made sense
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Overload
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| Posted: Sun Nov 02, 2008 8:11 pm Post subject: |
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You can use the registry, ini file, or xml file.
There are examples on all over the internet. I prefer to use the registry.
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slippppppppp
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| Posted: Sun Nov 02, 2008 8:42 pm Post subject: |
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you dont have to use INI Files in particular.
The main concept, is to write your information to a Text File.
Then to load it, read the file line by line and compare strings  |
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kitterz
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| Posted: Sun Nov 02, 2008 9:00 pm Post subject: |
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If there are lots of things to save, I like to use a database file, (mdb) to store them. If it is a few things, make a filestream and save to a .ini or .txt file.
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deleted19776
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| Posted: Sun Nov 02, 2008 9:37 pm Post subject: |
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| I personally would prefer the registry, since even if you delete the files, the settings are still there. |
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Anden100
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| Posted: Mon Nov 03, 2008 2:01 am Post subject: |
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| If you decide to use registry, remember that you can always delete/modify the info you made in the registry using "Start>run>regedit" |
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Spawnfestis
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| Posted: Mon Nov 03, 2008 10:50 am Post subject: |
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and how to read WHICH button was last checked
PSEUDO CODE:
| Code: | | if radiobutton1 = true then save radiobutton1 else if radiobutton = true save radiobutton2 |
Doesn't have to be more complicated than that.
I recommend you to use XML with C#.
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tombana
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| Posted: Mon Nov 03, 2008 1:45 pm Post subject: |
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It depends on what you want:
If users see an ini file in the folder of your program, they might edit it. If you don't want them to edit it, you might want to use the registry. (It's still possible to edit it off course, but harder for most people) |
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samuri25404
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| Posted: Tue Nov 04, 2008 4:48 pm Post subject: |
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| Spawnfestis wrote: | and how to read WHICH button was last checked
PSEUDO CODE:
| Code: | | if radiobutton1 = true then save radiobutton1 else if radiobutton = true save radiobutton2 |
Doesn't have to be more complicated than that.
I recommend you to use XML with C#. |
Real code:
| Code: |
StreamWriter sw = new StreamWriter("settings.xml");
if (rdbOne.Checked)
{
XMLWrite("SelectedRDB", "rdbOne");
}
else if (rdbTwo.Checked)
{
XMLWrite("SelectedRDB", "rdbTwo");
}
else
{
MessageBox.Show("wtf?");
}
...
private void XMLWrite(StreamWriter sw, string Node, string Value)
{
StringBuilder sb = new StringBuilder();
sb.Append("<").Append(Node).AppendLine(">").Append(" ").AppendLine(Value).Append("</").Append(Node).Append(">");
sw.Write(sb.ToString());
}
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Dylanwade
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| Posted: Tue Nov 04, 2008 6:33 pm Post subject: |
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| I save mine into an .ini file, registry is good too. |
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yoyonerd
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| Posted: Wed Nov 05, 2008 5:27 pm Post subject: |
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on vista, would editing registry need admin permission?
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samuri25404
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| Posted: Wed Nov 05, 2008 6:18 pm Post subject: |
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| yoyonerd wrote: | | on vista, would editing registry need admin permission? |
I think XP would require it too.
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Habufe
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| Posted: Thu Nov 06, 2008 10:31 am Post subject: |
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if you are inexperienced with this, you would probably like the registry method. its very organized, easy to use and user friendly.
and about the administrator question, you only need to be admin if you are writing into protected area (i think this includes all areas other then hkey current user) |
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ElJEffro
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| Posted: Fri Nov 07, 2008 2:14 am Post subject: |
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| Code: | List<string> allLines = new List<string>();
using (StreamReader reader = new StreamReader("whatever.ini"))
{
string line;
while ((line = reader.ReadLine()) != null)
{
allLines.Add(line);
}
}
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to get numerical data, ill use this example of a .ini
| Code: | [data]
number1=42
number2=69
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now to convert it to a format you can use
| Code: |
foreach (string line in allLines)
{
if ( line.StartsWith("number") ) // it is numerical data
{
int data;
if (!Int32.TryParse( line.Split('=')[1], out data)
MessageBox.Show("Invalid integer read from file");
}
} |
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