Reason: This is probably because there is no OLE editor registered against the type of file you were trying to open. Class ID not found in registry result = -2147221018 右击文件…
Return value/code Description 0x00030200 STG_S_CONVERTED The underlying file was converted to compound file format. 0x00030201 STG_S_BLOCK The storage operation should block until more data is available. 0x00030202 STG_S_RETRYNOW The storage operatio…