HttpApplicationState.Count Property   
Definition
Important
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Gets the number of objects in the HttpApplicationState collection.
public:
 virtual property int Count { int get(); };
	public override int Count { get; }
	member this.Count : int
	Public Overrides ReadOnly Property Count As Integer
	Property Value
The number of item objects in the collection. The default is 0.
Examples
The following example executes only if the number of objects in the collection exceeds five.
if (Application.Count > 5)
{
    //...
}
If Application.Count > 5 Then
   ' ...
End If