在 Caliburn Micro 中发送布尔值作为操作参数

Question

这是我的 XAML 视图（为了可读性省略了一些代码）：

<Window ... xmlns:c="http://www.caliburnproject.org">
  <Button Content="Close without saving" c:Message.Attach="Close(false)" />
  <Button Content="Save and Close" c:Message.Attach="Close(true)" />
</Window>

And here's the code in the ViewModel:

public void Close(bool save) 
{
  if (save) 
  { 
    // save the data 
  }
  TryClose();
}

This doesn't work - of course - because the action parameters "true" and "false" aren't objects or object properties in the XAML. How can I make this work, and send a boolean as an Action parameter in Caliburn Micro?

Answer 1

如果您在参数名称两边加上单引号，它会为您正确转换。

<Button Content="Close without saving"
        c:Message.Attach="Close('false')" />
<Button Content="Save and Close"
        c:Message.Attach="Close('true')" />

Answer 2

您可以尝试使用交互+触发器：

<i:Interaction.Triggers>
            <i:EventTrigger  EventName="Click">
                <cl:ActionMessage  MethodName="MyMethod" >
                    <cl:Parameter Value="True">

                    </cl:Parameter>
                </cl:ActionMessage>
            </i:EventTrigger>
        </i:Interaction.Triggers>