| オーバーロード | 解説 |
|---|---|
| Contains(String) | Determines whether the collection contains a specific group. |
| Contains(Group) | Determines whether the collection contains a specific group. |
| オーバーロード | 解説 |
|---|---|
| Contains(String) | Determines whether the collection contains a specific group. |
| Contains(Group) | Determines whether the collection contains a specific group. |