Maui设置页面控件属性

控件命名，如<RadioButton x:Name="male"/>。

在处理类中引用using Microsoft.Maui.Handlers;命名空间，在NavigatedTo方法中添加属性控制代码。

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14


#if WINDOWS
            IRadioButtonHandler? handler = radioButtonMale.Handler as RadioButtonHandler;
            if (handler != null)
            {
                handler.PlatformView.IsTabStop = true;
                handler.PlatformView.UseSystemFocusVisuals = true;
            }
            IRadioButtonHandler? handlerf = radioButtonFemale.Handler as RadioButtonHandler;
            if (handlerf != null)
            {
                handlerf.PlatformView.IsTabStop = true;
                handlerf.PlatformView.UseSystemFocusVisuals = true;
            }
#endif

在OnAppearing方法中使用Loaded事件进行属性设置和方法执行。

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30


protected override void OnAppearing()
{
    base.OnAppearing();
    number.Loaded += delegate { number.Focus(); };
    male.Loaded += Male_Loaded;
    female.Loaded += Female_Loaded;
}
    private void Female_Loaded(object? sender, EventArgs e)
    {
#if WINDOWS
            IRadioButtonHandler? handler = female.Handler as RadioButtonHandler;
            if (handler != null)
            {
                handler.PlatformView.IsTabStop = true;
                handler.PlatformView.UseSystemFocusVisuals = true;
            }
#endif
    }

    private void Male_Loaded(object? sender, EventArgs e)
    {
#if WINDOWS
            IRadioButtonHandler? handler = male.Handler as RadioButtonHandler;
            if (handler != null)
            {
                handler.PlatformView.IsTabStop = true;
                handler.PlatformView.UseSystemFocusVisuals = true;
            }
#endif
    }