我将按钮的页面背景图像绑定到List元素。当在其他页面上更改这些图像时,我使用事件来更新以前的页面。当列表是字符串类型时,这可以正常工作,但当列表类型为类T时,它不起作用。
查看:
private readonly IMvxMessenger mvxMessenger;
#pragma warning disable CS0414
private MvxSubscriptionToken onUserImageUpdate;
#pragma warning restore CS0414
private List<string> _userImages;
public List<string> UserImages
{
get { return _userImages; }
set
{
_userImages = value;
RaisePropertyChanged(() => UserImages);
}
}
public ICommand ReloadViewCommand
{
get
{
return new MvxCommand(() =>
{
RaisePropertyChanged(() => UserImages);
});
}
}
public ViewModel()
{
onUserImageUpdate = mvxMessenger.SubscribeOnThreadPoolThread<UserPhotoNotification>(OnUserImageUpdate);
}
void OnUserImageUpdate(UserPhotoNotification message)
{
UserImages = message.Images;
}
视图模型
private List<abc> _userImages;
public List<abc> UserImages
{
get { return _userImages; }
set
{
_userImages = value;
RaisePropertyChanged(() => UserImages);
}
}
列表&#39; UserImage&#39;这一切都正常。是字符串类型。如果我将UserImage更改为T类型,
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然后即使通过调试器可以看到更改,这些更改也不会在屏幕上更新。