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include vhd.inc
 
VxDcall VHD_Write
 
The VHD_Write service writes to the device.
 
Parameter  Description
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EAX        Specifies a disk handle previously created using the
           VHD_Allocate_Handle service.
 
EBX        Specifies the starting sector.
 
CL         Specifies the sector count. If this parameter is zero, 256
           sectors are written.
 
CH         Specifies the drive number.
 
ESI        Points to the buffer containing the sector data. This buffer must
           be locked.
 
Return Value
 
This service has no return value.
 
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