```mermaid
flowchart TD
    Start([開始]) --> AskConfirm[詢問是否確定刪除?]
    AskConfirm -- 否 --> End([結束])
    AskConfirm -- 是 --> LoopSelected[遍歷所有由 Shape 標記的選取影像]
    
    LoopSelected --> CallDel[呼叫 DeleteImageFile 刪除實際檔案]
    CallDel --> NextImg[處理下一個]
    
    NextImg --> LoopSelected
    LoopSelected -- 結束 --> ReSort[執行檔案重新排序 ReSortFileName]
    ReSort --> UpdateTree[更新樹狀結構頁數統計與刷新顯示]
    UpdateTree --> ClearLog[清空案件檢核記錄] --> End
```