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MvvmSource.cs
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MvvmSource.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.ComponentModel;
using System.Runtime.CompilerServices;
using System.Windows;
using System.Windows.Input;
using System.Reflection;
namespace Jack.Mvvm
{
public class MvvmSource : INotifyPropertyChanged
{
public event PropertyChangedEventHandler PropertyChanged;
private readonly Dictionary<string, object> MvvmProperties = new Dictionary<string, object>(16);
protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
{
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}
protected void NotifyPropertyChanged(string propertyName)
{
OnPropertyChanged(propertyName);
}
protected T GetValue<T>([CallerMemberName] string propertyName = null)
{
return MvvmProperties.ContainsKey(propertyName) ? (T)MvvmProperties[propertyName] : default(T);
}
protected void SetValue<T>(T value, [CallerMemberName] string propertyName = null)
{
if (MvvmProperties.ContainsKey(propertyName))
{
MvvmProperties.Remove(propertyName);
}
MvvmProperties[propertyName] = value;
OnPropertyChanged(propertyName);
}
}
}