THPDFPage.SetAnnotationAdditionalAction Method

方法摘要: THPDFPage.SetAnnotationAdditionalAction MethodTHPDFActionBuilder under the annotation /AA dictionary

宣告

procedure SetAnnotationAdditionalAction(Annot: THPDFDictionaryObject; Trigger: THPDFAnnotationActionTrigger; Action: THPDFActionBuilder);

HPDFDoc

名稱	用途
`Annot`	由最近一次註解建立呼叫或其他註解查詢回傳的註解字典
`Trigger`	additional-action 觸發器，例如滑鼠移入、滑鼠移出、滑鼠按下、滑鼠放開、取得焦點或失去焦點
`Action`	以 THPDFActionBuilder 建立的 action chain`THPDFActionBuilder`

此方法會替換同一觸發鍵的既有動作，並保持其他 /AA 項目不變/AA entries unchanged
Use ClearAnnotationAdditionalAction to remove one annotation additional-action entry without rebuilding the annotation dictionary
THPDFActionBuilder.ThenAction chains are preserved under the emitted /Next entry
Mouse and focus triggers use /E, /X, /D, /U, /Fo, and /Bl
Page-open, page-close, page-visible, and page-invisible triggers use /PO, /PC, /PV, and /PI and require PDF 1.5
要移除單一註解 additional-action 項目而不重建註解字典，請使用 ClearAnnotationAdditionalAction
THPDFActionBuilder.ThenAction chain 會保留在發出的 /Next 項目下SetAnnotationJavaScriptAction for the JavaScript-only convenience path