Silverlight: How do I pass True to a CommandParameter?

Question

How do I pass True to a CommandParameter?

Currently I am imperatively adding Boolean.True to the resource dictionary, but that seems like a clumsy way to do it.

Answer 1

Because command parameters are of type 'object' the XAML parser is unable to perform type conversion for you. If you pass 'true', the parser has no way of knowing that you want this converted to a boolean value. You will have to do this explicitly. You could use the property element syntax:

<Button>
  <Button.CommandParameter>
    <sys:Boolean>true</sys:Boolean>
  </Button.CommandParameter>
</Button>

Where the sys namepsace is mapped:

xmlns:sys="clr-namespace:System;assembly=mscorlib"