NullReferenceException in Portable version (#138)

1. Launch portable version (normal version works fine)

2. Open Tools/Options

3. Select Diagram Editor Tab

4. Select other Backgroud color

5. Press OK

6. Got:

System.NullReferenceException: Portable.PortableSettingsProvider.SetValue(SettingsPropertyValue propVal)

в Portable.PortableSettingsProvider.SetPropertyValues(SettingsContext context, SettingsPropertyValueCollection propvals)

в System.Configuration.SettingsBase.SaveCore()

в System.Configuration.SettingsBase.Save()

в System.Configuration.ApplicationSettingsBase.Save()

в SoftwareIdeasModeler.Dialogs.Settings.OptionsForm.SaveSettings()

в SoftwareIdeasModeler.Dialogs.Settings.OptionsForm.okButton_Click(Object sender, EventArgs e)

в System.Windows.Forms.Control.OnClick(EventArgs e)

в System.Windows.Forms.Button.OnClick(EventArgs e)

в System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)

в System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)

в System.Windows.Forms.Control.WndProc(Message& m)

в System.Windows.Forms.ButtonBase.WndProc(Message& m)

в System.Windows.Forms.Button.WndProc(Message& m)

в System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)

в System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)

в System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)