C#

float scale = percentagezoom/100f;
g.Transform = new Matrix(scale,0,0,scale, xoffest, yoffset);

My: Blog | Photos | Next SQL Presentation
WDevs.com - Open Source Code Hosting, Blogs, FTP, Mail and More

class Foo : IEditableObject
{
  private struct FooData 
  { 
    public int i;
    public string j;
    public DateTime t;
    public object o;
  }

  private FooData data;
  private FooData old;
 
  public int I
  {
    get { return data.i; }
    set { data.i = value; }
  }
 
  public string J
  {
    get { return data.j; }
    set { data.j = value; }
  }
 
  // Repeat for all members exposed
 
  void BeginEdit()
  {
    old = data; // FooData is a value type so this is making a copy of data
  }
 
  void CancelEdit()
  {
    data = old; // Copy the old values back
  }
 
  void EndEdit()
  {
    // Nothing to do
  }
}

public class Foo
{
    delegate void WrapperDelegate();

    void Hello() { Console.WriteLine("Hello"); }
    void Test() { Console.WriteLine("Test"); }

    public void SomeFunc()
    {
       executeFunction(new WrapperDelegate(Hello));
       executeFunction(new WrapperDelegate(Test));
    }

    private void executeFunction(WrapperDelegate d)
    {
        try
        {
           d();
        }
        catch(Exception e)
        {
           // blah blah
        }
    }
}