摘要: 示例 SaveFileDialog saveFileDialog = new SaveFileDialog(); saveFileDialog.Filter = "Xlsx|*.xlsx|Text(*.txt)|*.txt"; if (saveFileDialog.ShowDialog() != D 阅读全文
posted @ 2023-03-01 11:05 恋上微笑的天使 阅读(66) 评论(0) 推荐(0) 编辑