文本框插入符号样式 [英] TextBox Caret Styling

问题描述

我发现了一些关于在 WPF4 中设置 CaretBrushes 的内容，但有没有人真正改变过插入符号本身?

I've found a few things on setting CaretBrushes in WPF4, but has anybody actually ever changed the caret itself?

我想做的是在 INSERT 模式下使用 OVERWRITE 插入符号.我见过来自 .Net 3.5 的 hack次，但它性能不佳并且缺乏实际的光标移动...

What I'd like to do is use the OVERWRITE caret in INSERT mode. I've seen a hack from .Net 3.5 times, but it is unperformant and lacks behind actual cursor movement...

如果 Caret 有一个模板那就太好了 - 这将与整个 WPF 想法一致...

It would be great if the Caret had a Template - That would be consistent with the whole WPF idea...

有什么建议吗?

推荐答案

CaretElement 是一个内部密封类，无法通过例如数据模板进行自定义.至少，插入符号是可以改变的.

The CaretElement is an internal sealed class and not possible to customize through a data template for example. At least, the caret brush is possible to change.

<TextBox Text="This is some random text" CaretBrush="Blue" />

如果你想在插入符号画笔上有一个线性渐变，这是可以做到的.

If you want to have a linear gradient on the caret brush, this can be done.

<TextBox Text="This is some random text" FontSize="20">
        <TextBox.CaretBrush>
            <LinearGradientBrush StartPoint="0,0" EndPoint="1,1">
                <LinearGradientBrush.GradientStops>
                    <GradientStop Color="Blue" Offset="0" />
                    <GradientStop Color="Red" Offset="1" />
                </LinearGradientBrush.GradientStops>
            </LinearGradientBrush>
        </TextBox.CaretBrush>

我也尝试使用 Visual Brush，但插入符号总是显示为一条小的垂直线.

I tried using a Visual Brush also, but the caret is always being shown as a small vertical line.

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