1、// 选择文件：
private string SelectPath()
{
string path = string.Empty;
var openFileDialog = new Microsoft.Win32.OpenFileDialog()
{
Filter = "Files (*.*)|*.*"//如果需要筛选txt文件（"Files (*.txt)|*.txt"）
};
var result = openFileDialog.ShowDialog();
if (result == true)
{
path = openFileDialog.FileName;
}
return path
}
// 选择路径
private string SelectPath()
{
string path = string.Empty;
System.Windows.Forms.FolderBrowserDialog fbd = new System.Windows.Forms.FolderBrowserDialog();
if (fbd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
path = fbd.SelectedPath;
}
return path;
}