修改 RichTextBox 中的默认选项卡大小

Modifying default tab size in RichTextBox(修改 RichTextBox 中的默认选项卡大小)

问题描述

有什么方法可以更改 .NET RichTextBox 中的默认选项卡大小?它目前似乎设置为相当于 8 个空格，这对我来说有点大.

Is there any way to change the default tab size in a .NET RichTextBox? It currently seems to be set to the equivalent of 8 spaces which is kinda large for my taste.

为了澄清，我想将 "的全局默认设置为控件的 4 个空格.据我了解， SelectionTabs 属性要求您首先选择所有文本，然后通过数组选择选项卡宽度.如果必须，我会这样做，但如果可能的话，我宁愿只更改一次全局默认值，这样我就不必每次都这样做.

To clarify, I want to set the global default of " " displays as 4 spaces for the control. From what I can understand, the SelectionTabs property requires you to select all the text first and then the the tab widths via the array. I will do this if I have to, but I would rather just change the global default once, if possible, sot that I don't have to do that every time.

推荐答案

您可以通过设置 SelectionTabs 属性.

You can set it by setting the SelectionTabs property.

private void Form1_Load(object sender, EventArgs e)
{
    richTextBox1.SelectionTabs = new int[] { 100, 200, 300, 400 };
}

更新:
顺序很重要....

UPDATE:
The sequence matters....

如果您在初始化控件文本之前设置了选项卡，那么您不必在设置选项卡之前选择文本.

If you set the tabs prior to the control's text being initialized, then you don't have to select the text prior to setting the tabs.

例如，在上面的代码中，这将保留带有原始 8 个空格制表位的文本:

For example, in the above code, this will keep the text with the original 8 spaces tab stops:

richTextBox1.Text = "	1	2	3	4";
richTextBox1.SelectionTabs = new int[] { 100, 200, 300, 400 };

但这将使用新的:

richTextBox1.SelectionTabs = new int[] { 100, 200, 300, 400 };
richTextBox1.Text = "	1	2	3	4";

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