我有一个没有无参数构造函数的用户控件; 我们称之为WithoutDefaultConstructor.我想将一个WithoutDefaultConstructor被调用的myControl插入另一个控件(被调用MainWindow)的XAML代码中.但是,我收到此编译器错误:
"WithoutDefaultConstructor"类型不能具有Name属性.没有默认构造函数的值类型和类型可以用作ResourceDictionary中的项.
如何在不添加无参数构造函数的情况下解决此问题WithoutDefaultConstructor?
以下是内容MainWindow.xaml:
<Window x:Class="WpfApplication1.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:WpfApplication1="clr-namespace:WpfApplication1" Title="MainWindow"
Height="350" Width="525">
<WpfApplication1:WithoutDefaultConstructor Name="myControl">
</WpfApplication1:WithoutDefaultConstructor>
</Window>
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以下是内容WithoutDefaultConstructor.xaml.cs:
using System.Windows.Controls;
namespace WpfApplication1
{
public partial class WithoutDefaultConstructor : UserControl
{
private int I_really_need_to_initialize_this_int;
public WithoutDefaultConstructor(int i)
{
InitializeComponent();
I_really_need_to_initialize_this_int = i;
}
}
}
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