Can't bind properties to a textblock

Question

This is what I wrote in XAML

<TextBlock Text="{x:Bind Thisuser.username,Mode=TwoWay}" FontSize="24" Margin="2,0,0,12"/>

And this is what I wrote in .h

namespace winrt::App3::implementation
{
    class userinfo
    {
    public:
        hstring username;
        bool ifadmin;
    };

    struct MainWindow : MainWindowT<MainWindow>
    {
        MainWindow();
 
public: userinfo Thisuser;

        int32_t MyProperty();
        void MyProperty(int32_t value);

    };
}

When I build the project, it said that Error XLS0432 The property 'Thisuser' was not found in type 'MainWindow'. I'm using C++ so I got few tutorial. I wonder how to fix this prob, thanks !

Answer 1

Hello,

Welcome to Microsoft Q&A!

You might need to create a class for the user object and make sure that you've decalred the property in the mainWindow's idl.

For more information, lease take a look at this document: XAML controls; bind to a C++/WinRT property It contains complete steps about how to implement a xaml binding. This is a UWP document but this also works for winui3 c++/winrt project.

Thank you.

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