TreeNode.Handle Properti

Definisi

Ruang nama:

System.Windows.Forms

Rakitan:

System.Windows.Forms.dll

Sumber:

TreeNode.cs

Mendapatkan handel simpul pohon.

public:
 property IntPtr Handle { IntPtr get(); };

[System.ComponentModel.Browsable(false)]
public IntPtr Handle { get; }

[<System.ComponentModel.Browsable(false)>]
member this.Handle : nativeint

Public ReadOnly Property Handle As IntPtr

Nilai Properti

IntPtr

nativeint

Handel simpul pohon.

Atribut

BrowsableAttribute

Contoh

Contoh kode berikut mendapatkan TreeNode yang diciutkan dan membuat salinannya menggunakan propertinya Handle . TreeNode Aslinya dihapus dari TreeNodeCollection, dan salinan ditambahkan ke koleksi. Contoh ini mengharuskan Anda memiliki Form dengan TreeView kontrol di atasnya. Kontrol TreeView harus memiliki dua atau lebih simpul akar, masing-masing memiliki setidaknya satu simpul anak.

private:
   void treeView1_AfterCollapse( Object^ /*sender*/, TreeViewEventArgs^ e )
   {
      // Create a copy of the e.Node from its Handle.
      TreeNode^ tn = TreeNode::FromHandle( e->Node->TreeView, e->Node->Handle );
      tn->Text = String::Concat( tn->Text, "Copy" );

      // Remove the e.Node so it can be replaced with tn.
      e->Node->Remove();

      // Add tn to the TreeNodeCollection.
      treeView1->Nodes->Add( tn );
   }

private void treeView1_AfterCollapse(object sender, TreeViewEventArgs e)
{
   // Create a copy of the e.Node from its Handle.
   TreeNode tn = TreeNode.FromHandle(e.Node.TreeView, e.Node.Handle);
   tn.Text += "Copy";
   // Remove the e.Node so it can be replaced with tn.
   e.Node.Remove();
   // Add tn to the TreeNodeCollection.
   treeView1.Nodes.Add(tn);
}

Private Sub treeView1_AfterCollapse(sender As Object, _
  e As TreeViewEventArgs) Handles treeView1.AfterCollapse
   ' Create a copy of the e.Node from its Handle.
   Dim tn As TreeNode = TreeNode.FromHandle(e.Node.TreeView, e.Node.Handle)
   tn.Text += "Copy"
   ' Remove the e.Node so it can be replaced with tn.
   e.Node.Remove()
   ' Add tn to the TreeNodeCollection.
   treeView1.Nodes.Add(tn)
End Sub

Keterangan

Jika handel belum dibuat saat properti direferensikan Handle , maka akan dibuat.