OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "(*.txt)|*.txt|(*.*)|*.*";
ofd.RestoreDirectory = true;
if (ofd.ShowDialog() == DialogResult.OK)
{................}
SaveFileDialog sfd = new SaveFileDialog();
sfd.Filter = "(*.txt)|*.txt|(*.*)|*.*";
sfd.AddExtension = true;
sfd.RestoreDirectory = true;
if (sfd.ShowDialog() == DialogResult.OK)
{................}
为什么有时候show出来的是这种界面?如下图