# Selection(ロブロックス クラス) > The Selection service controls the Class.Instance|Instances that are selected in Roblox Studio. - URL:https://roblox.minecraft-okinawa.com/reference/classes/Selection/ - 公式:https://create.roblox.com/docs/reference/engine/classes/Selection - 受け継いでいるクラス:Instance ## プロパティ - `Selection.SelectionThickness: float`:The thickness of the selection highlight outline drawn around selected Class.Instance|Instances in Roblox Studio's viewport. ## メソッド - `Selection:Add(instancesToAdd: Instances): ()`:Adds the given Class.Instance|Instances to the current selection in Roblox Studio. - `Selection:Get(): Instances`:Returns an array of currently selected Class.Instance|Instances in Roblox Studio. - `Selection:Remove(instancesToRemove: Instances): ()`:Removes the given Class.Instance|Instances from the current selection in Roblox Studio. - `Selection:Set(selection: Instances): ()`:Sets the currently selected objects in Roblox Studio to Class.Instance|Instances in the given array. ## イベント - `Selection.SelectionChanged()`:Fires when the Class.Instance|Instances selected in Roblox Studio changes. 英語の説明とメンバー一覧:Roblox Creator Documentation(CC BY 4.0)。日本語の解説はこのサイト独自のものです。 執筆:鈴木孝昌(現役プロジェクトマネージャー/プログラミング講師)/運営:沖縄マイクラ部 プログラミングスクール「クロスウェーブ」(https://minecraft-okinawa.com/)