TreeNodeMouseClickEventArgs.Node 属性

定义

命名空间:

System.Windows.Forms

程序集:

System.Windows.Forms.dll

获取被单击的节点。

public:
 property System::Windows::Forms::TreeNode ^ Node { System::Windows::Forms::TreeNode ^ get(); };

public System.Windows.Forms.TreeNode Node { get; }

member this.Node : System.Windows.Forms.TreeNode

Public ReadOnly Property Node As TreeNode

属性值

TreeNode

被单击的 TreeNode。

示例

下面的代码示例演示如何处理 NodeMouseDoubleClick 事件以及如何使用 TreeNodeMouseClickEventArgs。 若要运行此示例，请将代码粘贴到包含名为 treeView1的 TreeView Windows 窗体中。 treeView1使用运行示例的系统目录中的文件c:\名称填充 ，并将 的事件与treeView1_NodeMouseDoubleClick此示例中的 方法相关联NodeMouseDoubleClicktreeView1。

    // 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