HKLM\SYSTEM\CurrentControlSet\Services\Mouclass\Parameters
| Data type | Range | Default value |
|---|---|---|
| REG_DWORD | 0 | 1 | 1 |
Determines whether there is one or more than one port device object for each class device object. This entry is used primarily by device drivers.
| Value | Meaning |
| 0 | 1:1. Indicates that the class device object created by the driver is connected to one port device object. |
| 1 | 1:Many. Indicates that the class device object created by the driver is connected to multiple port device objects. As a result, the events generated by all pointing devices on the system are fed to the Windows subsystem in a single input stream. |
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