打开系统对话框导入文件代码

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OpenFileDialog dlgopen = new OpenFileDialog();­

            dlgopen.Filter = "文本文件(*.txt)|*.txt";­

            if (dlgopen.ShowDialog() == DialogResult.OK)­

            {­

                this.richTextBox1.LoadFile(dlgopen.FileName, RichTextBoxStreamType.PlainText);­

            }­

控件MenuStrip,RichTxetBox