箭头字符不显示 [英] Arrow Characters not displaying

问题描述

大家好，

我目前在使箭头字符显示在列表视图子项中遇到一些困难.我正在使用的代码如下:

Hi all,

i am currently experiencing some difficulties in getting arrow characters to display in a list view sub item. The code i am using is below:

lis = new ListViewItem(1.ToString());//(i + 1).ToString());
  if (targets[i].ApproachDirection.ToString().Equals("Forward"))
  {
      // up
      lis.SubItems.Add("↑");
  }
  else
  {
      // down = ''↓'';
      lis.SubItems.Add("↓");
  }

看起来不错，但在窗体中显示时会显示不受支持的char矩形.

有谁知道该如何解决?

谢谢George

This looks fine but displays an unsupported char rectangle when displayed in the form.

Does anyone know how this can be resolved?

Thanks George

推荐答案

我刚刚尝试过-在表单中添加了列表视图，将视图"设置为列表"，并添加了以下代码:

I just tried it - added a listview to a form, set the "View" to "List", and added this code:

listView1.Items.Add("↑");
listView1.Items.Add("U");
listView1.Items.Add("↓");
listView1.Items.Add("D");

有效:您在做什么

这些讨论应该对您有所帮助:
类似的讨论1 [类似想法不同的情况 [

These discussion should help you out:
Similar discussion 1[^]
Similar idea different scenario[^]

I guess, it''s the font settings that make it look like a box. Trying setting the font via CSS to a valid family that shows an arrow.

他们会的.您只需要适当的字体.您可以使用Windows安装随附的标准应用程序检查哪些字体支持哪些字体:字符映射.

确保使用正确的Unicode字符；它们是x2190到x21EA，在箭头"范围内.

—SA

They will. You just need appropriate font. You can examine which font support what using standard application which comes with Windows installation: Character Map.

Make sure you use right Unicode characters; they are x2190 to x21EA, in the range called "Arrows".

—SA

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