HOWTO: Find and View the Amount of Free Disk Space on a Drive (Q153091) http://support.microsoft.com/default.aspx?scid=kb;EN-US;q153091HOWTO: Get Current Drive's Free Disk Space in VB 4.0 (Q147686) http://support.microsoft.com/default.aspx?scid=kb;EN-US;q147686HOWTO: Use the GetDiskFreeSpaceEx() API to Obtain Disk Free Space Amounts (Q202455) http://support.microsoft.com/default.aspx?scid=kb;EN-US;q202455HOWTO: Use GetDiskFreeSpaceEx to Retrieve Drive Information (Q225144) http://support.microsoft.com/default.aspx?scid=kb;EN-US;q225144
http://support.microsoft.com/default.aspx?scid=kb;EN-US;q153091HOWTO: Get Current Drive's Free Disk Space in VB 4.0 (Q147686)
http://support.microsoft.com/default.aspx?scid=kb;EN-US;q147686HOWTO: Use the GetDiskFreeSpaceEx() API to Obtain Disk Free Space Amounts (Q202455)
http://support.microsoft.com/default.aspx?scid=kb;EN-US;q202455HOWTO: Use GetDiskFreeSpaceEx to Retrieve Drive Information (Q225144)
http://support.microsoft.com/default.aspx?scid=kb;EN-US;q225144
用的是 API 函数: GetDiskFreeSpaceEx