Control.PreProcessControlMessage(Message) 方法

定義

命名空間:
System.Windows.Forms
組件:
System.Windows.Forms.dll

先於訊息迴圈中前置處理鍵盤或輸入訊息後，再分派這些訊息。Preprocesses keyboard or input messages within the message loop before they are dispatched.

public:
 System::Windows::Forms::PreProcessControlState PreProcessControlMessage(System::Windows::Forms::Message % msg);
public System.Windows.Forms.PreProcessControlState PreProcessControlMessage (ref System.Windows.Forms.Message msg);
member this.PreProcessControlMessage : Message -> System.Windows.Forms.PreProcessControlState
Public Function PreProcessControlMessage (ByRef msg As Message) As PreProcessControlState

參數

msg
Message

Message，表示要處理的訊息。A Message that represents the message to process.

傳回

PreProcessControlState

其中一個 PreProcessControlState 值，取決於 PreProcessMessage(Message) 是 true 或 false，以及 IsInputKey(Keys) 或 IsInputChar(Char) 是 true 或 false。One of the PreProcessControlState values, depending on whether PreProcessMessage(Message) is true or false and whether IsInputKey(Keys) or IsInputChar(Char) are true or false.

適用於