Gets a value indicating whether the caller must call an invoke method when making method calls to the control because the caller is on a different thread than the one the control was created on.
シンタックス
'宣言
Public ReadOnly Property InvokeRequired As Boolean
public bool InvokeRequired {get;}
プロパティ値
true if the control's
System.Windows.Forms.Control.Handle was created on a different thread than the calling thread (indicating that you must make calls to the control through an invoke method); otherwise,
false.
参照