Forums | NoesisGUI

Posted: **29 Feb 2020, 03:49**

I have a Font Icon, and it displayed correctly in xaml

: 1.png (7.21 KiB) Viewed 2125 times

: 2.png (3.37 KiB) Viewed 2125 times

When it bind a variable in CPP, it displayed error in xaml

: 3.png (7.94 KiB) Viewed 2124 times

[4.png]
[5.png]

And i try to unicode string
[6.png]
[7.png]

Posted: **29 Feb 2020, 03:55**

[4.png]

: 4.png (3.15 KiB) Viewed 2121 times

[5.png]

: 5.png (8.61 KiB) Viewed 2121 times

[6.png]

: 6.png (2.63 KiB) Viewed 2121 times

Posted: **29 Feb 2020, 03:55**

[7.png]

: 7.png (3.22 KiB) Viewed 2121 times

Posted: **02 Mar 2020, 18:56**

In code you should escape the unicode characters using '\u' + the hexadecimal value of the character.

For example, I could write the following xaml:

<Grid x:Class="Testing.UnicodeTest"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
        <TextBlock Text="&#xf027;" FontFamily="Fonts/#Font Awesome 5 Free" FontSize="40" FontWeight="Bold"/>
        <TextBlock Text="{Binding Unicode}" FontFamily="Fonts/#Font Awesome 5 Free" FontSize="40" FontWeight="Bold"/>
    </StackPanel>
</Grid>

And in code expose a Unicode property in the ViewModel initilized as:

_unicode = "\xEF\x80\xA7"; // UTF-8 representation of \uF027

That will render the volume-down for both texts.

From the images you attached it seems that it is not finding the glyph in the supplied font, and is using our internal fallback font that renders the ? for not found glyphs.

Posted: **03 Mar 2020, 10:35**

In C++ you must always use UTF8.

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Font Icon Problem

Font Icon Problem

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