使用C#在Windows应用程序中只读的文本框的一部分 [英] part of textbox readonly in windows Application Using C#

问题描述

大家好，

我正在基于Windows的应用程序上工作，我的要求是文本框控件的某些部分应为只读.其余字段应为他可以输入.

示例:

contentSetName(应为只读).ProcessName(用户将输入)在一个文本框中.


请帮助我.

Hi all,

I am working on Windows based application,My Requirement is some part of the textbox control should be read only .Rest of of field should be he can enter.

Example:

contentSetName(Shoud be ReadOnly).ProcessName(User ll enter ) In one Textbox.


Please Help me.

推荐答案

您应该在用户可以更改文本的所有可能点上添加验证，例如在KeyUp和拦截粘贴事件中.但是您可以找到合适的被屏蔽的编辑控件，并对其进行一些自定义以满足您的需求.
从这里开始:
自定义控件库(MaskEdit，带有进度面板的Statusbar等) [ ^ ]
扩展文本框控件以针对正则表达式进行验证 [ ^ ]
http://msdn.microsoft.com/en-us/library/1fkc1cz6 [ ^ ]

You should add a validation on all possible points where user can change text, like in KeyUp and intercept paste events. But you can find a proper masked edit control and customize it a little bit to fit your needs.
Start here:
Custom Controls Library (MaskEdit, Statusbar with Progress Panel, and more)[^]
Extend the Textbox Control to Validate Against Regular Expressions[^]
http://msdn.microsoft.com/en-us/library/1fkc1cz6[^]

它是有点困难，我个人不建议我现在要做什么.但是如果您仍然必须这样做，他们可以这样做:

1.处理textBox2_TextChanged事件
2.将textbox 的Text 属性设置为"contentSetName".
3.然后输入以下代码:

It is a little difficult and personally i do not not recommended what I am about to do now. but if you still have to do it them do it like this:

1. handle textBox2_TextChanged event
2. have the Text property of textbox set to "contentSetName."
3. then have this code:

private void textBox2_TextChanged(object sender, EventArgs e)
       {
           string newtext = textBox2.Text.Replace("contentSetName.", "");

           textBox2.Text = "contentSetName." + newtext;
       }

注意:更好的方法可能是使用maskedtextbox 代替.还要考虑一下.

Note: The better way could be to use a maskedtextbox instead. think about that too.

更好的解决方案是

定义文本框的开始和结束位置.然后在发生按键事件后，如果在定义区域上按下了按键，则取消按键提示...

The better solution will be

define a start and end position for your textbox. then after in keypress event if the key is pressed on the defined area then cancel the keyprees...

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