Help with setting Preferences, please

Getting Started
1

Hi

I am using a PreferencesModule that I recently found online here:

link text

I have played around with it, and can store my preferences, change them in the Preference Window and quit the app and when I restart it, the changes are recorded.

Below is my current code. I have played around with it and changed it so many times, I can hardly remember what the original code looked like. Luckily I saved a version of my project elsewhere on my disk that I can go back to where I knew it worked. The code I have now (in the App Load Event):

[code] // Initialize the preferences by telling it the name of your app.
// Preferences will be stored in the SpecialFolder.ApplicationData
// in a folder with the app name in a file ending in “.pref”.
// So the below example would have preferences saved in:
// ApplicationData/PreferencesExample/PreferencesExample.pref

PreferencesModule.Initialize(“RainGauge”)

Rain_db = RainDatabase.SetupNewDatabase
If Rain_db <> Nil Then
RainGauge.fromDatabase = True
// Now you can load the preferences

If Not Preferences.Load Then
  // Set default values for preferences so that they
  // do not cause a PreferencesNotFoundException when accessed.
  Preferences.meaSys = "mm"
  Preferences.GaugeName = "My Rain Gauge"
End If

nameOfTitle = Preferences.GaugeName  // in this instance nameOfTitle is a property in the App class
RainGauge.Show

Else
Quit
End If
[/code]

Here is my problem, it doesn’t matter where I store the property values of the two things I am storing in the app (In the App, in the window which is using them, or in a module. It seems that if I put a breakpoint in the App load event I can see that the property is set (wherever I stored it), but if I put a breakpoint in the window (RainGauge.Show), the property is lost.

I am sure that my problem must be something to do with scope, but I have tried different permutations of where I store things for about seven or eight hours now. Perhaps someone could help me see the error of my ways?

2

I think this module does not work right

when I use

Preferences.Set("MainWindowLeft") = Window1.Left Preferences.Set("MainWindowTop") = Window1.Top

whatever the window position is, it stores always

“MainWindowLeft”:10,
“MainWindowTop”:50

3

Thanks Alex.

Since posting my request, I have just reached my limit with this Module. I am going through the two Webinars about the Text Editor. At least they have a Preference Window and separate Text Editing Windows. The example I followed before only had a Preferences window, and all you actual saw was the different values being stored to the pref file, and then retrieved. As I said above, I managed to see that work. It was just when I wanted to get those values into my main window (my app only has one window) that I struck problems. So this Webinar I am going to watch at least is similar to what I am trying to do.

4

it works when I write the code in Open and Close of the Window, in the example the code is in App.Open and App.Close

5

Thanks Axel

It’s another day here, so I will give it another try by putting the code in the one and only window of the app. I must say that I would like to use that PreferenceModule as it is a demonstration of OOP, which I am trying to wrap my head around.

Thanks for your trying things out and your feedback.

6

i can’t save preferences, the method save doesn’t work

7

OSX Win Linux ?

Window1.Open

PrefModule.Initialize(app.ExecutableFile.Name) If Not Preferences.Load Then return End If LoadPrefs

Window1.Close

SavePrefs If Not Preferences.Save Then return End If Quit

8

This is an old thread, but it didn’t end with any kind of resolution – which really frustrated me when I couldn’t get the Save part of PreferencesModule (PM) to work, either.

I finally discovered the reason for my problem – PM didn’t want me to add a Text item as the value. For example:

dim camps as Text = "" // blah blah blah, put some text stuff into the camps variable... Preferences.Set("Campaigns") = camps

That would blow up inside the PM.Save method.

But as soon as I changed the dim:

dim camps as String = ""

…then everything worked as it should.

Since PM is saving the values as a Variant, I wouldn’t think that change should do anything, but that’s the way I got it to work for my project.

Jay