'宣言 <__DynamicallyInvokableAttribute()> Public Function ContainsKey( _ ByVal key As System.Object _ ) As System.Boolean
'宣言
<__DynamicallyInvokableAttribute()> Public Function ContainsKey( _ ByVal key As System.Object _ ) As System.Boolean
[__DynamicallyInvokable()] public System.bool ContainsKey( System.object key )
PropertyCollection クラス PropertyCollection メンバ