在富文本框中设置上光标位置 [英] set upper cursor position in rich text box

问题描述

一旦我到达光标框的右下角，它就会滚动到另一行；我想知道是否有办法阻止这种情况

，即一旦光标到达文本框的右下角，就不允许再输入任何数据

Once I get to the bottom right corner of the cursor box, it scrolls to another line; I would like to know if there is a way to stop this happening

ie once cursor reaches bottom right hand corner of text box, no further data entry is allowed

推荐答案

这非常简单.只需检查

RichTextbox1.Maxlength = 300

检查字体大小，在一页中可以显示多少个字符并设置MAXLENGTH属性.


对于您的标题:

RichTextBox1.SelectionStart = 0
RichTextBox1.SelectionLength = 0

It's very simple. Just check

RichTextbox1.Maxlength=300

Check accroding to your font size, how many characters can display in 1-page and set the MAXLENGTH property.


For Your Title:

RichTextBox1.SelectionStart = 0
RichTextBox1.SelectionLength = 0

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