我上了这个课:
public class ParamViewModel: BaseViewModel
{
int _id;
public int Id
{
get => _id;
set => SetProperty(ref _id, value);
}
string _name;
public string Name
{
get => _name;
set => SetProperty(ref _name, value);
}
bool _isSelected;
public bool IsSelected
{
get => _isSelected;
set => SetProperty(ref _isSelected, value);
}
}
public ParamViewModel[] STIVM { get; set; } = new[] {
new ParamViewModel{ Id = 0, Name = STI.Zero.Text(), IsSelected = false} ,
new ParamViewModel{ Id = 1, Name = STI.ZeroFive.Text(), IsSelected = false} ,
new ParamViewModel{ Id = 2, Name = STI.One.Text(), IsSelected = false} ,
new ParamViewModel{ Id = 3, Name = STI.OneFive.Text(), IsSelected = false} ,
new ParamViewModel{ Id = 4, Name = STI.Two.Text(), IsSelected = false} ,
new ParamViewModel{ Id = 5, Name = STI.Three.Text(), IsSelected = false} ,
new ParamViewModel{ Id = 6, Name = STI.Four.Text(), IsSelected = false} ,
};
是否有一种方法可以使IsSelected默认情况下为假?
答案 0 :(得分:3)
当然可以,在声明时将_isSelected
设置为false:
bool _isSelected = false;
实际上,如vc 74所指出的,在类的构造函数中设置该值时,您可以实现完全相同的操作。
但这毫无意义,因为false
已经 为bool
的默认值。
因此,让我们看一下它对int属性的工作方式,该属性应默认为-1
而不是“正常”默认值零:
int _id = -1;
public int Id
{
get => _id;
set => SetProperty(ref _id, value);
}
答案 1 :(得分:1)
我认为您实际上是指在建筑上打电话给财产设定者:
gender: <randomElement(['Homme', 'Femme'])>
if $gender == 'Homme'
title: 'Monsieur'
else if $gender == 'Femme'
title: 'Madame'
答案 2 :(得分:0)
将isSelected更改为
bool _isSelected = false;
答案 3 :(得分:0)
用_isSelected
声明false
变量。
bool _isSelected = false;