1:
2:
3:
4:
5:
6:
7:
8:
9:

public class ProjectSettings
{
    public string Path { get; set; }

    public override ToString()
    {
        return string.Format("Path: {0}", Path);
    }
}                    

1:
2:
3:
4:
5:
6:
7:

ProjectSettings ps = new ProjectSettings{ Path = @"C:\Projects"; };

BfwEditor editorForm = new BfwEditor(ps);

editorForm.Show();

MessageBox.Show("Path: " + editorForm.ProjectSettings);                    

1:
2:
3:
4:
5:
6:
7:
8:

MeineSettings settings = new MeineSettings();
...
MeinSettings copy = settings.Clone();
SettingsForm settingsFOrm = new SettingsForm(copy);
if (settingsForm.ShowDialog == DialogResult.OK)
{
   settings = copy;
}                    

1:
2:

ProjektWizard myForm = new ProjektWizard(); //Form erstellen  
            myForm.ShowDialog(); //anzeigen                    

1:
2:
3:
4:
5:
6:
7:
8:

MeineSettings settings = new MeineSettings();
...
MeinSettings copy = settings.Clone();
SettingsForm settingsFOrm = new SettingsForm(copy);
if (settingsForm.ShowDialog == DialogResult.OK)
{
   settings = copy;
}                    

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:

public class MeinSettings : ICloneable
{
   public string Path { get; set; }
   public string Name { get; set; }

   public Object Clone()
   {
      MeinSettings ms = new MeinSettings { Path = this.Path, Name = this.Name };
   }
}                    

1:
2:
3:
4:
5:

class SubForm : Form
{
  ...
  public string Foo { get { return fooTextBox.Text; } }
}                    

1:
2:
3:

using (var form = new SubForm) // !
  if (form.ShowDialog() == DialogResult.OK)
    DoSomethingWith(form.Foo);