COBCH1631 ATTACH および DETACH 文はイベントにのみ適用される
You can only use the
attach
or
detach
syntax on delegate fields that have the
event
keyword specified.
See the
Events
section of
Delegates and Events
for more information.
上位ヘルプ:
COBCH1621 - COBCH1640
関連概念
デリゲート