public void SetupDiGetDeviceInstallParamsTest()
{
using var deviceInfoSet = SetupDiCreateDeviceInfoList((Guid *)null, IntPtr.Zero);
SP_DEVINFO_DATA deviceInfoData = SP_DEVINFO_DATA.Create();
// If DeviceInstanceId is NULL or references a zero-length string, SetupDiOpenDeviceInfo adds a device information element
// to the supplied device information set, if one does not already exist, for the root device in the device tree.
string deviceId = null;
if (!SetupDiOpenDeviceInfo(deviceInfoSet, deviceId, IntPtr.Zero, SetupDiOpenDeviceInfoFlags.None, ref deviceInfoData))
{
throw new Win32Exception();
}
SP_DEVINSTALL_PARAMS deviceInstallParams = SP_DEVINSTALL_PARAMS.Create();
if (!SetupDiGetDeviceInstallParams(deviceInfoSet, deviceInfoData, ref deviceInstallParams))
{
throw new Win32Exception();
}
deviceInfoData = SP_DEVINFO_DATA.Create();
Assert.False(SetupDiGetDeviceInstallParams(deviceInfoSet, deviceInfoData, ref deviceInstallParams));
}
public void SetupDiOpenDeviceInfoTest()
{
using var deviceInfoSet = SetupDiCreateDeviceInfoList((Guid *)null, IntPtr.Zero);
SP_DEVINFO_DATA deviceInfoData = SP_DEVINFO_DATA.Create();
// If DeviceInstanceId is NULL or references a zero-length string, SetupDiOpenDeviceInfo adds a device information element
// to the supplied device information set, if one does not already exist, for the root device in the device tree.
string deviceId = null;
Assert.True(SetupDiOpenDeviceInfo(deviceInfoSet, deviceId, IntPtr.Zero, SetupDiOpenDeviceInfoFlags.None, ref deviceInfoData));
}