public void Layout_Test()
{
// These values listed below have been obtained by determining the size of the struct and the offset of its
// fields using a C program which calls sizeof() and offsetof().
if (Environment.Is64BitProcess)
{
Assert.Equal(0, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.cbSize)).ToInt32());
Assert.Equal(4, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.InfDate)).ToInt32());
Assert.Equal(0xc, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.CompatIDsOffset)).ToInt32());
Assert.Equal(0x10, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.CompatIDsLength)).ToInt32());
Assert.Equal(0x18, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.Reserved)).ToInt32());
Assert.Equal(0x20, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.SectionName)).ToInt32());
Assert.Equal(0x220, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.InfFileName)).ToInt32());
Assert.Equal(0x428, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.DrvDescription)).ToInt32());
Assert.Equal(0x628, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.HardwareID)).ToInt32());
Assert.Equal(0x630, SP_DRVINFO_DETAIL_DATA.Create().cbSize);
}
else
{
Assert.Equal(0, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.cbSize)).ToInt32());
Assert.Equal(4, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.InfDate)).ToInt32());
Assert.Equal(0xc, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.CompatIDsOffset)).ToInt32());
Assert.Equal(0x10, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.CompatIDsLength)).ToInt32());
Assert.Equal(0x14, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.Reserved)).ToInt32());
Assert.Equal(0x18, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.SectionName)).ToInt32());
Assert.Equal(0x218, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.InfFileName)).ToInt32());
Assert.Equal(0x420, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.DrvDescription)).ToInt32());
Assert.Equal(0x620, Marshal.OffsetOf <SP_DRVINFO_DETAIL_DATA>(nameof(SP_DRVINFO_DETAIL_DATA.HardwareID)).ToInt32());
Assert.Equal(0x622, SP_DRVINFO_DETAIL_DATA.Create().cbSize);
}
}
public unsafe void SetupDiGetDriverInfoDetailTest()
{
Guid usbDeviceId = DeviceSetupClass.Net;
using var deviceInfoSet = SetupDiCreateDeviceInfoList(&usbDeviceId, IntPtr.Zero);
Assert.True(SetupDiBuildDriverInfoList(deviceInfoSet, (SP_DEVINFO_DATA *)null, DriverType.SPDIT_CLASSDRIVER));
uint i = 0;
SP_DRVINFO_DATA driverInfoData = SP_DRVINFO_DATA.Create();
Collection <SP_DRVINFO_DATA> driverInfos = new Collection <SP_DRVINFO_DATA>();
while (SetupDiEnumDriverInfo(deviceInfoSet, null, DriverType.SPDIT_CLASSDRIVER, i++, ref driverInfoData))
{
driverInfos.Add(driverInfoData);
}
// We should have enumerated at least one driver
Assert.NotEmpty(driverInfos);
var loopbackDrivers =
driverInfos
.Where(d => new string(d.Description).IndexOf("loopback", StringComparison.OrdinalIgnoreCase) >= 0).ToArray();
var loopbackDriver = Assert.Single(loopbackDrivers);
byte[] buffer = new byte[0x1000];
fixed(byte *ptr = buffer)
{
var drvInfoDetailData = (SP_DRVINFO_DETAIL_DATA *)ptr;
*drvInfoDetailData = SP_DRVINFO_DETAIL_DATA.Create();
if (!SetupDiGetDriverInfoDetail(
deviceInfoSet,
null,
&loopbackDriver,
ptr,
buffer.Length,
out int requiredSize))
{
throw new Win32Exception();
}
Assert.Equal(0, (int)drvInfoDetailData->CompatIDsLength);
Assert.Equal(0x8, drvInfoDetailData->CompatIDsOffset);
Assert.Equal("Microsoft KM-TEST Loopback Adapter", new string(drvInfoDetailData->DrvDescription));
Assert.NotEqual(0, drvInfoDetailData->InfDate.dwHighDateTime);
Assert.NotEqual(0, drvInfoDetailData->InfDate.dwLowDateTime);
Assert.Equal(@"C:\WINDOWS\INF\netloop.inf", new string(drvInfoDetailData->InfFileName), ignoreCase: true);
Assert.Equal("kmloop.ndi", new string(drvInfoDetailData->SectionName), ignoreCase: true);
Assert.Equal("*msloop", new string(drvInfoDetailData->HardwareID));
}
}