C#

if (openFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)<br />
{<br />
     richTextBox1.LoadFile(openFileDialog1.FileName);<br />
}

public class Global {<br />
    // singleton implementation<br />
    private static object syncLock = new object();<br />
    private static Global instance;<br />
    public static Global Instance {<br />
        get {<br />
            lock(syncLock) {<br />
                if(instance == null) instance = new Global();<br />
            }<br />
             return instance;<br />
        }<br />
    }<br />
    private Global() { <br />
        one = 1;<br />
        two = false;<br />
        er = 0.2F;<br />
    }    <br />
    // end singleton implementation<br />
    private int one;<br />
    private bool two;<br />
    private float er;<br />
<br />
    public int One { get { return one; } set { one = value; } }<br />
    public bool Two { get { return two; } set { two = value; } }<br />
    public Float Er { get { return er; } set { er = value; } }<br />
}<br />
<br />
<br />
// then anywhere in your app<br />
<br />
Global.Instance.One = 7;<br />
<br />
<br />
// somewhere else<br />
int oneVal = Global.Instance.One;