C#

public void Show( IWin32Window owner, int positionX, int positionY ) {
  if( this.Visible == false ) {
    this.SetDesktopLocation( positionX, positionY ); // Here is the Size W=210,H=40
    this.Size = this.RestoreBounds.Size; // After this line the Size W=205, H=16
    this.BringToFront();
    this.Show( owner );
  }
  else {
    this.Activate();
  }
}

using System.Collections.Generic;<br />
<br />
class test {<br />
	struct CacheKey {<br />
		object Key;<br />
		public CacheKey(object key) {<br />
			Key = key;<br />
		}<br />
	}<br />
<br />
	static Dictionary<CacheKey, object> Cache =<br />
				new Dictionary<CacheKey, object>();<br />
<br />
	static void Main() {<br />
		CacheKey key = new CacheKey(new object[] { "test1", 1 });<br />
		Cache.Add(key, "");<br />
		CacheKey key2 = new CacheKey(new object[] { "test1", 1 });<br />
		if (!Cache.ContainsKey(key2))<br />
			System.Windows.Forms.MessageBox.Show("Key not found");<br />
		else<br />
			System.Windows.Forms.MessageBox.Show("Key found");<br />
	}<br />
}