(WPF) 文件和文件夹选择对话框。

        private void btnSelectErrorTableFile_Click(object sender, RoutedEventArgs e)
        {
            var openFileDialog = new Microsoft.Win32.OpenFileDialog() 
            { 
                Filter = "Excel Files (*.xlsx)|*.xlsx" 
            };
            var result = openFileDialog.ShowDialog();
            if (result == true)
            {
                this.tbErrorCodeTableFile.Text = openFileDialog.FileName;
            }
        }