使用 C# 在文本中插入制表符

Inserting a tab character into text using C#

提问by Layla

I'm building an application where I should capture several values and build a text with them: Name, Age, etc.

我建立一个应用程序，我应该抓住几个值，并建立一个文本与他们同在Name，Age等等。

The output will be a plain text into a TextBox.

输出将是一个纯文本到TextBox.

I am trying to make those information appear in kind of columns, therefore I am trying to separate them with tabto make it clearer.

我试图让这些信息以某种形式出现columns，因此我试图将它们分开tab以使其更清晰。

For example, instead of having:

例如，而不是：

Ann 26
Sarah 29
Paul 45

I would like it to show as:

我希望它显示为：

Ann tab26 Sarah tab29 Paul tab45

安选项卡26 莎拉选项卡29 保罗选项卡45

Any tip on how to insertthe tabs into my text?

关于如何insert将标签添加到我的文本中的任何提示？

采纳答案by DShook

Try using the \tcharacter in your strings

尝试使用\t字符串中的字符

回答by Dan R

Hazar is right with his \t. Here's the full list of escape characters for C#:

Hazar 是对的\t。这是 C# 转义字符的完整列表：

\'for a single quote.

\'对于单引号。

\"for a double quote.

\"对于双引号。

\\for a backslash.

\\为反斜杠。

\0for a null character.

\0对于空字符。

\afor an alert character.

\a对于警告字符。

\bfor a backspace.

\b退格。

\ffor a form feed.

\f用于换页。

\nfor a new line.

\n换一条新线路。

\rfor a carriage return.

\r回车。

\tfor a horizontal tab.

\t对于水平选项卡。

\vfor a vertical tab.

\v对于垂直选项卡。

\uxxxxfor a unicode character hex value (e.g. \u0020).

\uxxxx对于 unicode 字符十六进制值（例如\u0020）。

\xis the same as \u, but you don't need leading zeroes (e.g. \x20).

\x与 相同\u，但您不需要前导零（例如\x20）。

\Uxxxxxxxxfor a unicode character hex value (longer form needed for generating surrogates).

\Uxxxxxxxx对于 unicode 字符十六进制值（生成代理需要更长的形式）。

回答by david valentine

It can also be useful to use String.Format, e.g.

使用它也很有用String.Format，例如

String.Format("{0}\t{1}", FirstName,Count);

回答by Amin Saqi

There are several ways to do it. The simplest is using \tin your text. However, it's possible that \tdoesn't work in some situations, like PdfReportnuget package.

有几种方法可以做到。最简单的就是\t在你的文本中使用。但是，\t在某些情况下可能不起作用，例如PdfReportnuget 包。

回答by MafazR

var text = "Ann@26"

var editedText = text.Replace("@", "\t");

回答by CERI

string St = String.Format("{0,-20} {1,5:N1}\r", names[ctr], hours[ctr]);
richTextBox1.Text += St;

This works well, but you must have a mono-spaced font.

这很有效，但您必须使用等宽字体。

回答by Hecatonchires

When using literal strings (start with @") this might be easier

使用文字字符串（以 @" 开头）时，这可能更容易

char tab = '\u0009';
string A = "Apple";
string B = "Bob";
string myStr = String.Format(@"{0}:{1}{2}", A, tab, B);

Would result in Apple:<tab>Bob

会导致 Apple:<tab>Bob

回答by Heersert

In addition to the anwsers above you can use PadLeft or PadRight:

除了上面的答案，您还可以使用 PadLeft 或 PadRight：

string name = "John";
string surname = "Smith";

Console.WriteLine("Name:".PadRight(15)+"Surname:".PadRight(15));
Console.WriteLine( name.PadRight(15) + surname.PadRight(15));

This will fill in the string with spaces to the left or right.

这将用左边或右边的空格填充字符串。

回答by schlebe

Using Microsoft Winform controls, it is impossible to solve correctly your problem without an little workaround that I will explain below.

使用Microsoft Winform controls，如果没有我将在下面解释的一些解决方法，就不可能正确解决您的问题。

PROBLEM

问题

The problem in using simply "\t"or vbTabis that when more than one TextBox are displayed and that alignment must be respected for all TextBox, the ONLY "\t"or vbTabsolution will display something that is NOT ALWAYS correctly aligned.

简单地使用"\t"or的问题vbTab是，当显示多个文本框并且所有文本框都必须遵守对齐方式时，唯一"\t"或vbTab解决方案将显示一些并不总是正确对齐的内容。

Example in VB.Net:

VB.Net 中的示例：

Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
    TextBox1.Text = "Bernard" + vbTab + "32"
    TextBox2.Text = "Luc" + vbTab + "47"
    TextBox3.Text = "Fran?ois-Victor" + vbTab + "12"
End Sub

will display

会显示

as you can see, agevalue for Fran?ois-Victoris shifted to the right and is not aligned with agevalue of two others TextBox.

如您所见，agefor 的值Fran?ois-Victor向右移动并且未与age另外两个 TextBox 的值对齐。

SOLUTION

解决方案

To solve this problem, you must set Tabs position using a specific SendMessage()user32.dll API function as shown below.

要解决此问题，您必须使用特定的SendMessage()user32.dll API 函数设置 Tabs 位置，如下所示。

Public Class Form1

    Public Declare Function SendMessage _
        Lib "user32" Alias "SendMessageA" _
        ( ByVal hWnd As IntPtr _
        , ByVal wMsg As Integer _
        , ByVal wParam As Integer _
        , ByVal lParam() As Integer _
        ) As Integer

    Private Const EM_SETTABSTOPS As Integer = &HCB

    Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        Dim tabs() As Integer = {4 * 25}

        TextBox1.Text = "Bernard" + vbTab + "32"
        SendMessage(TextBox1.Handle, EM_SETTABSTOPS, 1, tabs)
        TextBox2.Text = "Luc" + vbTab + "47"
        SendMessage(TextBox2.Handle, EM_SETTABSTOPS, 1, tabs)
        TextBox3.Text = "Fran?ois-Victor" + vbTab + "12"
        SendMessage(TextBox3.Handle, EM_SETTABSTOPS, 1, tabs)
    End Sub

End Class

and following Form will be displayed

将显示以下表格

You can see that now, all value are correctly aligned :-)

您现在可以看到，所有值都正确对齐了 :-)

REMARKS

评论

Multilineproperty of the TextBox must be set to True. If this properties is set to False, the Tab is positioned as before.

MultilineTextBox 的属性必须设置为 True。如果此属性设置为 False，则 Tab 将像以前一样定位。

How AcceptsTabproperty is assigned is not important (I have tested).

如何AcceptsTab分配财产并不重要（我已经测试过）。

This question has already be treated on StackOverflow

这个问题已经在StackOverflow上处理过了

Caution: the mesure Unit for Tab position is not character but something that seems to be 1/4 of character. That is why I multiply the length by 4.

注意：制表符位置的测量单位不是字符而是似乎是字符的 1/4。这就是我将长度乘以 4 的原因。

C# SOLUTION

C# 解决方案

using System;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        [DllImport("User32.dll", CharSet = CharSet.Auto)]
        private static extern IntPtr SendMessage(IntPtr h, int msg, int wParam, uint[] lParam);
        private const int EM_SETTABSTOPS = 0x00CB;
        private const char vbTab = '\t';

        public Form1()
        {
            InitializeComponent();

            var tabs = new uint[] { 25 * 4 };

            textBox1.Text = "Bernard" + vbTab + "32";
            SendMessage(textBox1.Handle, EM_SETTABSTOPS, 1, tabs);
            textBox2.Text = "Luc" + vbTab + "47";
            SendMessage(textBox2.Handle, EM_SETTABSTOPS, 1, tabs);
            textBox3.Text = "Fran?ois-Victor" + vbTab + "12";
            SendMessage(textBox3.Handle, EM_SETTABSTOPS, 1, tabs);
        }
    }
}