wpf中使用OpenFileDialog

using Microsoft.Win32

private void button_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "Image files (.png;.jpeg)|.png;.jpeg|All files (.)|.";
if (ofd.ShowDialog() == true)
{
string filename = ofd.FileName;
}
}