EventDescriptorCollection.Find(String, Boolean) 方法

定義

命名空間:

System.ComponentModel

組件:

netstandard.dll, System.ComponentModel.TypeConverter.dll

來源:

EventDescriptorCollection.cs

取得集合中指定名稱的事件描述。

public:
 virtual System::ComponentModel::EventDescriptor ^ Find(System::String ^ name, bool ignoreCase);

public virtual System.ComponentModel.EventDescriptor? Find(string name, bool ignoreCase);

abstract member Find : string * bool -> System.ComponentModel.EventDescriptor
override this.Find : string * bool -> System.ComponentModel.EventDescriptor

Public Overridable Function Find (name As String, ignoreCase As Boolean) As EventDescriptor

參數

name

String

活動名稱，從收藏中取得。

ignoreCase

Boolean

true如果你想忽略事件本身;否則，。 false

傳回

EventDescriptor

該 EventDescriptor 事件名稱相同，或 null 事件不存在。

範例

以下程式碼範例尋找一個特定的 EventDescriptor。 它會在文字框中列印出該 EventDescriptor 元件的類型。 它需要這個， button1 並且 textBox1 已經在表單上實例化。

private:
   void FindEvent()
   {
      // Creates a new collection and assigns it the events for button1.
      EventDescriptorCollection^ events = TypeDescriptor::GetEvents( button1 );
      
      // Sets an EventDescriptor to the specific event.
      EventDescriptor^ myEvent = events->Find( "Resize", false );
      
      // Prints the event name and event description.
      textBox1->Text = String::Concat( myEvent->Name, ": ", myEvent->Description );
   }

void FindEvent()
{
    // Creates a new collection and assigns it the events for button1.
    EventDescriptorCollection events = TypeDescriptor.GetEvents(button1);

    // Sets an EventDescriptor to the specific event.
    EventDescriptor myEvent = events.Find("Resize", false);

    // Prints the event name and event description.
    textBox1.Text = myEvent.Name + ": " + myEvent.Description;
}

Private Sub FindEvent()
    ' Creates a new collection and assigns it the events for button1.
    Dim events As EventDescriptorCollection = TypeDescriptor.GetEvents(button1)
    
    ' Sets an EventDescriptor to the specific event.
    Dim myEvent As EventDescriptor = events.Find("Resize", False)
    
    ' Prints the event name and event description.
    textBox1.Text = myEvent.Name & ": " & myEvent.Description
End Sub

備註

備註

HostProtectionAttribute套用於此類別的屬性具有以下Resources屬性值： Synchronization。 這 HostProtectionAttribute 不會影響桌面應用程式（通常透過雙擊圖示、輸入指令或在瀏覽器輸入網址來啟動）。 欲了解更多資訊，請參閱 HostProtectionAttribute 類別或 SQL Server 程式設計與主機保護屬性。

另請參閱

• EventDescriptor
• TypeDescriptor