internal static T GetObjectPropertyInfo <T>(
IntPtr driverStoreHandle,
string objectName,
DevPropKey propertyKey,
DriverStoreObjectType objectType = DriverStoreObjectType.DriverPackage)
{
const int bufferSize = 2048;
IntPtr propertyBufferPtr = Marshal.AllocHGlobal(bufferSize);
if (NativeMethods.DriverStoreGetObjectProperty(
driverStoreHandle,
objectType,
objectName,
ref propertyKey,
out DevPropType propertyType,
propertyBufferPtr,
bufferSize,
out uint propertySize,
DriverStoreSetObjectPropertyFlags.None))
{
if (propertySize > 0)
{
return(DeviceHelper.ConvertPropToType <T>(propertyBufferPtr, propertyType));
}
}
Marshal.FreeHGlobal(propertyBufferPtr);
return(default);
internal static extern bool DriverStoreEnumObjects(
IntPtr hDriverStore,
DriverStoreObjectType objectType,
DRIVERSTORE_LOCK_LEVEL flags,
EnumObjectsDelegate callbackRoutine,
IntPtr lParam
);
internal static extern bool DriverStoreSetObjectProperty(
IntPtr driverStoreHandle,
DriverStoreObjectType objectType,
string objectName,
ref DevPropKey propertyKey,
DevPropType propertyType,
ref uint propertyBuffer,
int propertySize,
DriverStoreSetObjectPropertyFlags flag);
internal static bool EnumDeviceObjects(
IntPtr hDriverStore,
DriverStoreObjectType ObjectType,
string ObjectName,
IntPtr lParam)
{
var devicesInfo = (List <DeviceDriverInfo>)GCHandle.FromIntPtr(lParam).Target;
devicesInfo.Add(new DeviceDriverInfo(
GetObjectPropertyInfo <string>(hDriverStore, ObjectName, DeviceHelper.DEVPKEY_Device_DriverDesc, ObjectType),
GetObjectPropertyInfo <string>(hDriverStore, ObjectName, DeviceHelper.DEVPKEY_Device_DriverInfPath, ObjectType),
GetObjectPropertyInfo <DateTime>(hDriverStore, ObjectName, DeviceHelper.DEVPKEY_Device_DriverDate, ObjectType),
Version.Parse(GetObjectPropertyInfo <string>(hDriverStore, ObjectName, DeviceHelper.DEVPKEY_Device_DriverVersion, ObjectType)),
GetObjectPropertyInfo <bool?>(hDriverStore, ObjectName, DeviceHelper.DEVPKEY_Device_IsPresent, ObjectType)));
return(true);
}
