PropertyDescriptorCollection.GetEnumerator Metode

Definisi

Ruang nama:

System.ComponentModel

Rakitan:

System.ComponentModel.TypeConverter.dll

Sumber:

PropertyDescriptorCollection.cs

Mengembalikan enumerator untuk kelas ini.

public:
 virtual System::Collections::IEnumerator ^ GetEnumerator();

public virtual System.Collections.IEnumerator GetEnumerator ();

abstract member GetEnumerator : unit -> System.Collections.IEnumerator
override this.GetEnumerator : unit -> System.Collections.IEnumerator

Public Overridable Function GetEnumerator () As IEnumerator

Mengembalikan

IEnumerator

Enumerator jenis IEnumerator.

Contoh

Contoh kode berikut mendapatkan enumerator untuk properti di button1. Ini menggunakan enumerator untuk mencetak nama properti dalam koleksi. Ini mengharuskan dan button1textBox1 telah diinstansiasi pada formulir.

private:
   void MyEnumerator()
   {
      // Creates a new collection and assigns it the properties for button1.
      PropertyDescriptorCollection^ properties = TypeDescriptor::GetProperties( button1 );
      
      // Creates an enumerator.
      IEnumerator^ ie = properties->GetEnumerator();
      
      // Prints the name of each property in the collection.
      Object^ myProperty;
      while ( ie->MoveNext() == true )
      {
         myProperty = ie->Current;
         textBox1->Text = textBox1->Text + myProperty + "\n";
      }
   }

private void MyEnumerator() {
   // Creates a new collection and assigns it the properties for button1.
   PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(button1);

   // Creates an enumerator.
   IEnumerator ie = properties.GetEnumerator();

   // Prints the name of each property in the collection.
   Object myProperty;
   while(ie.MoveNext()==true) {
      myProperty = ie.Current;
      textBox1.Text += myProperty.ToString() + '\n';
   }
}

Private Sub MyEnumerator()
    ' Creates a new collection and assigns it the properties for button1.
    Dim properties As PropertyDescriptorCollection = _
       TypeDescriptor.GetProperties(button1)
       
    ' Creates an enumerator.
    Dim ie As IEnumerator = properties.GetEnumerator()
       
    ' Prints the name of each property in the collection.
    Dim myProperty As Object
    While ie.MoveNext() = True
        myProperty = ie.Current
        textBox1.Text &= myProperty.ToString() & ControlChars.Cr
    End While
End Sub

Lihat juga

• PropertyDescriptor
• TypeDescriptor
• IEnumerator