摘要： //复制文件到指定目录private void btnFileCopy_Click(object sender, RoutedEventArgs e) { //弹出文件选择框 点击确定后开始复制文件 var open = new System.Windows.Forms.OpenFileDialog { Multiselect = false }; if (open.ShowDialog() == Forms.DialogResult.OK) { string f = open.FileName; //获得文件后缀 string extStr = Path.GetExtension(f); s 阅读全文