C# 文件打开对话框 类型过滤

 

 

       private void button_browser_Click(object sender, EventArgs e)

        {

            openFileDialog1.Multiselect = false;

            openFileDialog1.Title = "请选择文件";

            openFileDialog1.Filter = "XML文件|*.xml|所有文件|*.*";

            if (this.openFileDialog1.ShowDialog() == DialogResult.OK)

            {

                filename = this.openFileDialog1.FileName;

            }

        }