```mermaid
graph TD
    Start([Start PageDone]) --> IncCount[Scaninfo.ImageCount 遞增]
    IncCount --> CaseMode{ScanMode?}
    
    CaseMode -- smNew --> NewMode[根據 ScanImgShowMode 設定 ISB]
    NewMode --> ShowType{顯示模式?}
    ShowType -- 清楚/模糊 --> LoadNew[ISB.LoadFromFile<br/>PEFileName]
    ShowType -- 不顯示 --> smReplace
    
    CaseMode -- smReplace --> LoadRep[DisplayISB.LoadFromFile]
    CaseMode -- smInsert --> LoadIns[ISB.LoadFromFile]
    CaseMode -- smSample --> LoadSam[ISB.LoadFromFile]
    CaseMode -- smRTS --> EndPageDone
    
    LoadNew --> EndPageDone
    LoadRep --> EndPageDone
    LoadIns --> EndPageDone
    LoadSam --> EndPageDone
    EndPageDone([End])
```