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10/16/2014
The following table shows the device information I/O control codes (IOCTLs).
Programming element |
Description |
|---|---|
Returns device information using the system parameters information (SPI) codes supported by the SystemParametersInfo function. |
|
Obsolete starting with Windows Embedded Compact 2013. Returns the current DEVICE_ID structure assigned to the device. Its functionality has been integrated into IOCTL_HAL_GET_DEVICE_INFO. |
|
Retrieves a 64-bit random number based upon an OEM-defined device hardware identifier. |
|
Returns the universally unique identifier (UUID). Obsolete starting with Windows Embedded Compact 2013. Its functionality has been integrated into IOCTL_HAL_GET_DEVICE_INFO. |
|
Obsolete. Obtains information about the system parameters information (SPI) codes supported by the SystemParametersInfo function. |
|
Queries the kernel for information about a preferred resolution for the system to use. It is used by the graphics device interface (GDI). |
|
Retrieves microprocessor information from the OAL and stores it in the PROCESSOR_INFO structure. It is a request by an application. |