[WPF] 복수 버튼 Binding

복수개의 버튼(ex:숫자패드)를 바인딩 해야할때
CommandParameter를 활용하면 쉽게 바인딩 할수있다.

XAML

<Button  Command="{Binding NumberButtonClickedCommand}" CommandParameter="1""/>
<Button  Command="{Binding NumberButtonClickedCommand}" CommandParameter="2""/>
<Button  Command="{Binding NumberButtonClickedCommand}" CommandParameter="3""/>
...

VIEWMODEL

NumberButtonClickedCommand = new RelayCommand<string>(ReceiveNumber);


private void ReceiveNum(string? number)
{
	Console.Write(number);
}