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易語言怎么用DeviceIoControl修改硬盤參數(shù)

小億
152
2023-10-23 11:59:40
欄目: 編程語言

在易語言中,可以使用WinAPI函數(shù)DeviceIoControl來修改硬盤參數(shù)。具體步驟如下:

  1. 首先,需要在程序開始處導(dǎo)入相關(guān)的庫,將以下代碼放置在程序開始的位置:
導(dǎo)入庫("kernel32.dll","DeviceIoControl","DWORD","HANDLE","DWORD","LPVOID","DWORD","LPVOID","DWORD","LPDWORD","" )
導(dǎo)入庫("kernel32.dll","CreateFileA","HANDLE","LPSTR","DWORD","DWORD","HANDLE","" )
導(dǎo)入庫("kernel32.dll","CloseHandle","BOOL","HANDLE","" )
導(dǎo)入庫("kernel32.dll","GetLastError","DWORD","" )
  1. 接下來,創(chuàng)建一個函數(shù)來修改硬盤參數(shù)。以下代碼將在硬盤上禁用寫緩存:
函數(shù) 修改硬盤參數(shù)(盤符:整數(shù)):整數(shù)
    變量 hDevice:整數(shù)
    變量 dwBytesReturned:整數(shù)
    變量 dwFlags:整數(shù)
    變量 success:整數(shù)
    變量 lpOutBuffer:字符串
    變量 lpInBuffer:字符串
    變量 lpBytesReturned:字符串
    變量 lpOverlapped:字符串

    // 打開硬盤設(shè)備
    hDevice = 調(diào)用DLL函數(shù)("kernel32.dll","CreateFileA", 盤符, 0x40000000, 0, 0x3, 0, 0)
    如果 hDevice = -1 則
        返回 錯誤代碼()
    結(jié)束如果

    // 設(shè)置硬盤參數(shù)
    dwFlags = 2
    success = 調(diào)用DLL函數(shù)("kernel32.dll","DeviceIoControl", hDevice, 0x90000008, 0, 0, 0, 0, dwFlags, 0)
    如果 success = 0 則
        返回 錯誤代碼()
    結(jié)束如果

    // 關(guān)閉硬盤設(shè)備
    success = 調(diào)用DLL函數(shù)("kernel32.dll","CloseHandle", hDevice)
    如果 success = 0 則
        返回 錯誤代碼()
    結(jié)束如果

    返回 0
結(jié)束函數(shù)
  1. 在主程序中調(diào)用該函數(shù)來修改硬盤參數(shù)。以下代碼將禁用C盤的寫緩存:
變量 盤符:字符串
變量 結(jié)果:整數(shù)

盤符 = "C:\\"
結(jié)果 = 調(diào)用函數(shù) 修改硬盤參數(shù)(盤符)
如果 結(jié)果 <> 0 則
    彈出窗口("修改硬盤參數(shù)失敗,錯誤代碼:" + 字符串(結(jié)果))
結(jié)束程序

以上是在易語言中使用DeviceIoControl函數(shù)來修改硬盤參數(shù)的方法。請注意,修改硬盤參數(shù)可能會對系統(tǒng)穩(wěn)定性和數(shù)據(jù)完整性產(chǎn)生影響,因此請謹慎操作,并確保對修改的后果有充分的了解。

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