C#常用代码汇总

System.Globalization.CultureInfo.CurrentCulture.TextInfo.ToTitleCase("字符串");

// 选取文件
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "文本文件|*.*|C#文件|*.cs|所有文件|*.*";
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
    MessageBox.Show(openFileDialog.FileName);
}

// 选取文件夹
FolderBrowserDialog folderBrowserDialog = new FolderBrowserDialog();
if (folderBrowserDialog.ShowDialog() == DialogResult.OK)
{
    MessageBox.Show(folderBrowserDialog.SelectedPath);
}

Regex.Replace("待替换字符串", "[替|换|]", "");   // 多个字符串用“|”分割，整个替换字符用中括号包围