winform textbox.text设置换行技巧备忘

在winform中如果将textbox为多行时multiline=true时，要想使文本在指定的字符后面进行换行只用" "是行不通的，需要用" "

代码简单示例如下：

this.txt_Diary.Text = "反结清成功:" + "
" +"  "+ str_codeList + "
" + "共：" + str_arrValue.Length.ToString() + "条数据反结清成功";