[Solved] On what objects we should use dispose method ? C# 4.0

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If for some bizarre reason you don’t know at run-time if an object has dispose implemented, you can use this dispose-safe function:

/// ---- IsDisposable --------------------------------
///
/// <summary>
/// returns true if an object is disposable, false if not
/// you can optionally dispose of it immediately
/// </summary>

public static Boolean IsDisposable(Object Item, Boolean DeleteIfDisposable)
{
    if (Item is IDisposable)
    {
        if (DeleteIfDisposable)
        {
            IDisposable DisposableItem;
            DisposableItem = (IDisposable)Item;
            DisposableItem.Dispose();
        }
        return true;
    }
    else
        return false;
}

solved On what objects we should use dispose method ? C# 4.0