ブラウザのスペルチェック機能を使用
ドロップダウン (PRIM_MD.Dropdown) のメンバ
データタイプ - ブール値
The SpellCheck property controls the use of the browser spell checking features.
When True, spellchecking will be enabled.
NOTE: The appearance and behaviour of the feature is entirely goverened by the browser in which the application is executing.