Generate Method (or similar) should be available on bind[-*]:<callback>

[phil-allen-msft]

Generate Event Handler works for <tag @onclick="UnknownMethod" />, but is not available for bind-value:after="UnknownMethod" and other, similar items, and should.

[davidwengier]

This probably won't be possible until https://github.com/dotnet/razor/pull/9062 is in, as we don't have good source mapping for bind:after attributes at the moment.

[phil-allen-msft]

#9062 is in