TreeNodeMouseClickEventArgs.Node 屬性
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
取得按下的節點。
public:
property System::Windows::Forms::TreeNode ^ Node { System::Windows::Forms::TreeNode ^ get(); };
public System.Windows.Forms.TreeNode Node { get; }
public System.Windows.Forms.TreeNode? Node { get; }
member this.Node : System.Windows.Forms.TreeNode
Public ReadOnly Property Node As TreeNode
屬性值
按下的 TreeNode。
範例
下列程式碼範例示範如何處理 NodeMouseDoubleClick 事件,以及如何使用 TreeNodeMouseClickEventArgs 。 若要執行此範例,請將程式碼貼到包含 TreeView 具名 treeView1
的 Windows Form 中。 使用 treeView1
範例執行所在 c:\
系統目錄中的檔案名填入 ,並將 的 事件 treeView1
與此 treeView1_NodeMouseDoubleClick
範例中的 方法產生關聯 NodeMouseDoubleClick 。
// If a node is double-clicked, open the file indicated by the TreeNode.
private:
void InitialTreeView_NodeMouseDoubleClick(Object^ sender,
TreeNodeMouseClickEventArgs^ e)
{
try
{
// Look for a file extension.
if (e->Node->Text->Contains("."))
{
System::Diagnostics::Process::Start("c:\\" + e->Node->Text);
}
}
// If the file is not found, handle the exception and inform the user.
catch (System::ComponentModel::Win32Exception^)
{
MessageBox::Show("File not found.");
}
}
// If a node is double-clicked, open the file indicated by the TreeNode.
void treeView1_NodeMouseDoubleClick(object sender, TreeNodeMouseClickEventArgs e)
{
try
{
// Look for a file extension.
if (e.Node.Text.Contains("."))
System.Diagnostics.Process.Start(@"c:\" + e.Node.Text);
}
// If the file is not found, handle the exception and inform the user.
catch (System.ComponentModel.Win32Exception)
{
MessageBox.Show("File not found.");
}
}
' If a node is double-clicked, open the file indicated by the TreeNode.
Sub treeView1_NodeMouseDoubleClick(ByVal sender As Object, _
ByVal e As TreeNodeMouseClickEventArgs) _
Handles treeView1.NodeMouseDoubleClick
Try
' Look for a file extension, and open the file.
If e.Node.Text.Contains(".") Then
System.Diagnostics.Process.Start("c:\" + e.Node.Text)
End If
' If the file is not found, handle the exception and inform the user.
Catch
MessageBox.Show("File not found.")
End Try
End Sub