diff --git a/PInvoke/CfgMgr32/SWDevice.cs b/PInvoke/CfgMgr32/SWDevice.cs index 31d687a4..750f2901 100644 --- a/PInvoke/CfgMgr32/SWDevice.cs +++ b/PInvoke/CfgMgr32/SWDevice.cs @@ -1,6 +1,8 @@ using System; using System.Runtime.InteropServices; +using Vanara.Extensions; using Vanara.InteropServices; +using static Vanara.PInvoke.SetupAPI; namespace Vanara.PInvoke { @@ -88,12 +90,18 @@ namespace Vanara.PInvoke SWDeviceCapabilitiesDriverRequired = 0x00000008 } + /// Indicates the current lifetime value for the software device. [PInvokeData("swdevicedef.h")] public enum SW_DEVICE_LIFETIME { + /// + /// Indicates that the lifetime of the software device is determined by the lifetime of the handle that is associated with the + /// software device. As long as the handle is open, the software device is enumerated by PnP. + /// SWDeviceLifetimeHandle, + + /// Indicates that the lifetime of the software device is tied to the lifetime of its parent. SWDeviceLifetimeParentPresent, - SWDeviceLifetimeMax } /// Closes the software device handle. When the handle is closed, PnP will initiate the process of removing the device. @@ -125,6 +133,326 @@ namespace Vanara.PInvoke [PInvokeData("swdevice.h", MSDNShortId = "NF:swdevice.SwDeviceClose")] public static extern void SwDeviceClose(HSWDEVICE hSwDevice); + /// Initiates the enumeration of a software device. + /// + /// A string that names the enumerator of the software device. Choose a name that represents the component that enumerates the devices. + /// + /// + /// A string that specifies the device instance ID of the device that is the parent of the software device. + /// + /// This can be HTREE\ROOT\0, but we recommend to keep children of the root device to a minimum. We also recommend that the + /// preferred parent of a software device be a real device that the software device is extending the functionality for. In + /// situations where a software device doesn't have such a natural parent, create a device as a child of the root that can collect + /// all the software devices that a component will enumerate; then, enumerate the actual software devices as children of this device + /// grouping node. This keeps the children of the root device to a manageable number. + /// + /// + /// A pointer to a SW_DEVICE_CREATE_INFO structure that describes info that PnP uses to create the device. + /// The number of DEVPROPERTY structures in the pProperties array. + /// + /// An optional array of DEVPROPERTY structures. These properties are set on the device after it is created but before a + /// notification that the device has been created are sent. For more info, see Remarks. This pointer can be NULL. + /// + /// + /// The SW_DEVICE_CREATE_CALLBACK callback function that the operating system calls after PnP enumerates the device. + /// + /// + /// An optional client context that the operating system passes to the callback function. This pointer can be NULL. + /// + /// + /// A pointer to a variable that receives the HSWDEVICE handle that represents the device. Call SwDeviceClose to close this + /// handle after the client app wants PnP to remove the device. + /// + /// + /// S_OK is returned if device enumeration was successfully initiated. This does not mean that the device has been successfully + /// enumerated. Check the CreateResult parameter of the SW_DEVICE_CREATE_CALLBACK callback function to determine if the device was + /// successfully enumerated. + /// + /// + /// SwDeviceCreate returns a handle that represents the device. After this handle is closed, PnP will remove the device. + /// The calling process must have Administrator access in order to initiate the enumeration of a software device. + /// + /// PnP forms the device instance ID of a software device as "SWD<pszEnumeratorName><pszInstanceId>," but this + /// string might change or PnP might decorate the name. Always get the device instance ID from the callback function. + /// + /// + /// There is a subtle difference between properties that are set as part of a SwDeviceCreate call and properties that are + /// later set by calling SwDevicePropertySet. Properties that are set as part of SwDeviceCreate are stored in memory; if the + /// device is uninstalled or a null driver wipes out the property stores, these properties are written out again by the Software + /// Device API feature when PnP re-enumerates the devices. This is all transparent to the client. Properties that are set using + /// SwDevicePropertySet after the enumeration don't persist in memory. But, if you set a property by using + /// SwDeviceCreate, you can update the value with SwDevicePropertySet, and this update is applied to the in-memory + /// value as well as the persisted store. + /// + /// + /// We recommend that all properties be specified as part of the call to SwDeviceCreate when possible and that these + /// properties be specified for every call to SwDeviceCreate. + /// + /// + /// Note The operating system might possibly call SW_DEVICE_CREATE_CALLBACK before the call to SwDeviceCreate returns. + /// For this reason, the software device handle for the device is supplied as a parameter to the callback function. + /// + /// + /// You can create a software device as the child of a parent that is not present at the time. PnP will enumerate the software + /// device after the parent becomes present. + /// + /// + // https://docs.microsoft.com/en-us/windows/win32/api/swdevice/nf-swdevice-swdevicecreate HRESULT SwDeviceCreate( PCWSTR + // pszEnumeratorName, PCWSTR pszParentDeviceInstance, const SW_DEVICE_CREATE_INFO *pCreateInfo, ULONG cPropertyCount, const + // DEVPROPERTY *pProperties, SW_DEVICE_CREATE_CALLBACK pCallback, PVOID pContext, PHSWDEVICE phSwDevice ); + [DllImport(Lib_Cfgmgr32, SetLastError = false, ExactSpelling = true)] + [PInvokeData("swdevice.h", MSDNShortId = "NF:swdevice.SwDeviceCreate")] + public static extern HRESULT SwDeviceCreate([MarshalAs(UnmanagedType.LPWStr)] string pszEnumeratorName, [MarshalAs(UnmanagedType.LPWStr)] string pszParentDeviceInstance, + in SW_DEVICE_CREATE_INFO pCreateInfo, uint cPropertyCount, [In, Optional, MarshalAs(UnmanagedType.LPArray)] DEVPROPERTY[] pProperties, SW_DEVICE_CREATE_CALLBACK pCallback, + [In, Optional] IntPtr pContext, out SafeHSWDEVICE phSwDevice); + + /// Gets the lifetime of a software device. + /// The HSWDEVICE handle to the software device to retrieve. + /// + /// + /// A pointer to a variable that receives a SW_DEVICE_LIFETIME-typed value that indicates the current lifetime value for the + /// software device. Here are possible values: + /// + /// + /// + /// Value + /// Meaning + /// + /// + /// SWDeviceLifetimeHandle + /// + /// Indicates that the lifetime of the software device is determined by the lifetime of the handle that is associated with the + /// software device. As long as the handle is open, the software device is enumerated by PnP. + /// + /// + /// + /// SWDeviceLifetimeParentPresent + /// Indicates that the lifetime of the software device is tied to the lifetime of its parent. + /// + /// + /// + /// S_OK is returned if SwDeviceSetLifetime successfully retrieved the lifetime. + // https://docs.microsoft.com/en-us/windows/win32/api/swdevice/nf-swdevice-swdevicegetlifetime HRESULT SwDeviceGetLifetime( + // HSWDEVICE hSwDevice, PSW_DEVICE_LIFETIME pLifetime ); + [DllImport(Lib_Cfgmgr32, SetLastError = false, ExactSpelling = true)] + [PInvokeData("swdevice.h", MSDNShortId = "NF:swdevice.SwDeviceGetLifetime")] + public static extern HRESULT SwDeviceGetLifetime(HSWDEVICE hSwDevice, out SW_DEVICE_LIFETIME pLifetime); + + /// Sets properties on a software device interface. + /// The HSWDEVICE handle to the software device of the interface to set properties for. + /// A string that identifies the interface to set properties on. + /// The number of DEVPROPERTY structures in the pProperties array. + /// An array of DEVPROPERTY structures containing the properties to set on the interface. + /// + /// S_OK is returned if SwDeviceInterfacePropertySet successfully set the properties on the interface; otherwise, an + /// appropriate error value. + /// + /// + /// + /// Typically, only the operating system and Administrators of the computer can set properties on an interface, but the creator of a + /// device can call SwDeviceInterfacePropertySet to set properties on an interface for that device even if the creator isn't + /// the operating system or an Administrator. + /// + /// + /// You can call SwDeviceInterfacePropertySet only after the operating system has called your client app's + /// SW_DEVICE_CREATE_CALLBACK callback function to notify the client app that device enumeration completed. + /// + /// + /// There is a subtle difference between properties that are set as part of a SwDeviceInterfaceRegister call and properties that are + /// later set by calling SwDeviceInterfacePropertySet. Properties that are set as part of SwDeviceInterfaceRegister + /// are stored in memory; if the device is uninstalled or a null driver wipes out the property stores, these properties are written + /// out again by the Software Device API feature when PnP re-enumerates the devices. This is all transparent to the client. + /// Properties that are set using SwDeviceInterfacePropertySet after the enumeration don't persist in memory. But, if you set + /// a property by using SwDeviceInterfaceRegister, you can update the value with SwDeviceInterfacePropertySet, and + /// this update is applied to the in-memory value as well as the persisted store. + /// + /// You can use SwDeviceInterfacePropertySet only to set properties in the operating system store for the interface. + /// + // https://docs.microsoft.com/en-us/windows/win32/api/swdevice/nf-swdevice-swdeviceinterfacepropertyset HRESULT + // SwDeviceInterfacePropertySet( HSWDEVICE hSwDevice, PCWSTR pszDeviceInterfaceId, ULONG cPropertyCount, const DEVPROPERTY + // *pProperties ); + [DllImport(Lib_Cfgmgr32, SetLastError = false, ExactSpelling = true)] + [PInvokeData("swdevice.h", MSDNShortId = "NF:swdevice.SwDeviceInterfacePropertySet")] + public static extern HRESULT SwDeviceInterfacePropertySet(HSWDEVICE hSwDevice, [MarshalAs(UnmanagedType.LPWStr)] string pszDeviceInterfaceId, + uint cPropertyCount, [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 2)] DEVPROPERTY[] pProperties); + + /// Registers a device interface for a software device and optionally sets properties on that interface. + /// The HSWDEVICE handle to the software device to register a device interface for. + /// A pointer to the interface class GUID that names the contract that this interface implements. + /// + /// An optional reference string that differentiates multiple interfaces of the same class for this device. This pointer can be NULL. + /// + /// The number of DEVPROPERTY structures in the pProperties array. + /// + /// An optional array of DEVPROPERTY structures for the properties to set on the interface. This pointer can be NULL. + /// + /// Set these properties on the interface after it is created but before a notification that the interface has been created are + /// sent. For more info, see Remarks. This pointer can be NULL. + /// + /// + /// + /// A Boolean value that indicates whether to either enable or disable the interface. TRUE to enable; FALSE to disable. + /// + /// + /// A pointer to a variable that receives a pointer to the device interface ID for the interface. The caller must free this value + /// with SwMemFree. This value can be NULL if the client app doesn't need to retrieve the name. + /// + /// + /// S_OK is returned if SwDeviceInterfaceRegister successfully registered the interface; otherwise, an appropriate error value. + /// + /// + /// + /// You can call SwDeviceInterfaceRegister only after the operating system has called your client app's + /// SW_DEVICE_CREATE_CALLBACK callback function to notify the client app that device enumeration completed. + /// + /// + /// You can't call SwDeviceInterfaceRegister for software devices that specify the SWDeviceCapabilitiesDriverRequired capability. + /// + /// + // https://docs.microsoft.com/en-us/windows/win32/api/swdevice/nf-swdevice-swdeviceinterfaceregister HRESULT + // SwDeviceInterfaceRegister( HSWDEVICE hSwDevice, const GUID *pInterfaceClassGuid, PCWSTR pszReferenceString, ULONG cPropertyCount, + // const DEVPROPERTY *pProperties, BOOL fEnabled, PWSTR *ppszDeviceInterfaceId ); + [DllImport(Lib_Cfgmgr32, SetLastError = false, ExactSpelling = true)] + [PInvokeData("swdevice.h", MSDNShortId = "NF:swdevice.SwDeviceInterfaceRegister")] + public static extern HRESULT SwDeviceInterfaceRegister(HSWDEVICE hSwDevice, in Guid pInterfaceClassGuid, [Optional, MarshalAs(UnmanagedType.LPWStr)] string pszReferenceString, + uint cPropertyCount, [In, Optional, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] DEVPROPERTY[] pProperties, [MarshalAs(UnmanagedType.Bool)] bool fEnabled, + [MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(SwMemMarshaler))] out string ppszDeviceInterfaceId); + + /// Enables or disables a device interface for a software device. + /// The HSWDEVICE handle to the software device to register a device interface for. + /// A string that identifies the interface to enable or disable. + /// + /// A Boolean value that indicates whether to either enable or disable the interface. TRUE to enable; FALSE to disable. + /// + /// + /// S_OK is returned if SwDeviceInterfaceSetState successfully enabled or disabled the interface; otherwise, an appropriate + /// error value. + /// + /// + /// + /// You can call SwDeviceInterfaceSetState only after the operating system has called your client app's + /// SW_DEVICE_CREATE_CALLBACK callback function to notify the client app that device enumeration completed. + /// + /// + /// You can only use SwDeviceInterfaceSetState to manage interfaces that were previously registered with + /// SwDeviceInterfaceRegister against the software device that hSwDevice represents. + /// + /// + /// Client apps use SwDeviceInterfaceSetState to manage the state that they want the interface to have. The software device + /// changes the actual interface state as needed. For example, a client app disables and re-enables the interface if the device is + /// re-enumerated for any reason. The state always tries to reflect the client app’s required state. + /// + /// + // https://docs.microsoft.com/en-us/windows/win32/api/swdevice/nf-swdevice-swdeviceinterfacesetstate HRESULT + // SwDeviceInterfaceSetState( HSWDEVICE hSwDevice, PCWSTR pszDeviceInterfaceId, BOOL fEnabled ); + [DllImport(Lib_Cfgmgr32, SetLastError = false, ExactSpelling = true)] + [PInvokeData("swdevice.h", MSDNShortId = "NF:swdevice.SwDeviceInterfaceSetState")] + public static extern HRESULT SwDeviceInterfaceSetState(HSWDEVICE hSwDevice, [MarshalAs(UnmanagedType.LPWStr)] string pszDeviceInterfaceId, [MarshalAs(UnmanagedType.Bool)] bool fEnabled); + + /// Sets properties on a software device. + /// The HSWDEVICE handle to the software device to set properties for. + /// The number of DEVPROPERTY structures in the pProperties array. + /// An array of DEVPROPERTY structures containing the properties to set. + /// + /// S_OK is returned if SwDevicePropertySet successfully set the properties; otherwise, an appropriate error value. + /// + /// + /// + /// Typically, only the operating system and Administrators of the computer can set properties on a device, but the creator of a + /// device can call SwDevicePropertySet to set properties on that device even if it isn't the operating system or an Administrator. + /// + /// + /// You can call SwDevicePropertySet only after the operating system has called your client app's SW_DEVICE_CREATE_CALLBACK + /// callback function to notify the client app that device enumeration completed. + /// + /// + /// There is a subtle difference between properties that are set as part of a SwDeviceCreate call and properties that are later set + /// by calling SwDevicePropertySet. Properties that are set as part of SwDeviceCreate are stored in memory; if the + /// device is uninstalled or a null driver wipes out the property stores, these properties are written out again by the Software + /// Device API feature when PnP re-enumerates the devices. This is all transparent to the client. Properties that are set using + /// SwDevicePropertySet after the enumeration don't persist in memory. But, if you set a property by using + /// SwDeviceCreate, you can update the value with SwDevicePropertySet, and this update is applied to the in-memory + /// value as well as the persisted store. + /// + /// You can use SwDevicePropertySet only to set properties in the operating system store for the device. + /// + // https://docs.microsoft.com/en-us/windows/win32/api/swdevice/nf-swdevice-swdevicepropertyset HRESULT SwDevicePropertySet( + // HSWDEVICE hSwDevice, ULONG cPropertyCount, const DEVPROPERTY *pProperties ); + [DllImport(Lib_Cfgmgr32, SetLastError = false, ExactSpelling = true)] + [PInvokeData("swdevice.h", MSDNShortId = "NF:swdevice.SwDevicePropertySet")] + public static extern HRESULT SwDevicePropertySet(HSWDEVICE hSwDevice, uint cPropertyCount, [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 1)] DEVPROPERTY[] pProperties); + + /// Manages the lifetime of a software device. + /// The HSWDEVICE handle to the software device to manage. + /// + /// + /// A SW_DEVICE_LIFETIME-typed value that indicates the new lifetime value for the software device. Here are possible values: + /// + /// + /// + /// Value + /// Meaning + /// + /// + /// SWDeviceLifetimeHandle + /// + /// Indicates that the lifetime of the software device is determined by the lifetime of the handle that is associated with the + /// software device. As long as the handle is open, the software device is enumerated by PnP. + /// + /// + /// + /// SWDeviceLifetimeParentPresent + /// Indicates that the lifetime of the software device is tied to the lifetime of its parent. + /// + /// + /// + /// S_OK is returned if SwDeviceSetLifetime successfully updated the lifetime. + /// + /// + /// After a software device is initially created by calling SwDeviceCreate, its default lifetime is set to + /// SwDeviceLifetimeHandle. When a software device has a lifetime of SwDeviceLifetimeHandle, PnP stops enumerating the + /// device after the device's handle is closed. + /// + /// + /// You can use SwDeviceSetLifetime to set the lifetime of the software device to SwDeviceLifetimeParentPresent. The + /// lifetime of the software device is then tied to the lifetime of the closest non-software device parent. The creator of the + /// software device can then close the handle to the software device and the device will still be enumerated. This can be useful for + /// services that manage software devices but want to idle stop. + /// + /// + /// A client app can only call SwDeviceSetLifetime after it has received a call to its SW_DEVICE_CREATE_CALLBACK callback + /// function that is associated with its call to SwDeviceCreate. + /// + /// + /// When a client app calls SwDeviceCreate for a software device that was previously marked for + /// SwDeviceLifetimeParentPresent, SwDeviceCreate succeeds if there are no open software device handles for the device + /// (only one handle can be open for a device). A client app can then regain control over a persistent software device for the + /// purposes of updating properties and interfaces or changing the lifetime. + /// + /// + /// If the client app specifies info in SW_DEVICE_CREATE_INFO that is different form a previous enumeration, the device might stop + /// being enumerated and immediately re-enumerated to apply the changes. The operating system reports only some properties when PnP + /// enumerates the device. + /// + /// + /// To uninstall a software device with a lifetime of SwDeviceLifetimeParentPresent, we recommend that you change the + /// lifetime back to SwDeviceLifetimeHandle before the device is uninstalled. + /// + /// + // https://docs.microsoft.com/en-us/windows/win32/api/swdevice/nf-swdevice-swdevicesetlifetime HRESULT SwDeviceSetLifetime( + // HSWDEVICE hSwDevice, SW_DEVICE_LIFETIME Lifetime ); + [DllImport(Lib_Cfgmgr32, SetLastError = false, ExactSpelling = true)] + [PInvokeData("swdevice.h", MSDNShortId = "NF:swdevice.SwDeviceSetLifetime")] + public static extern HRESULT SwDeviceSetLifetime(HSWDEVICE hSwDevice, SW_DEVICE_LIFETIME Lifetime); + + /// Frees memory that other Software Device API functions allocated. + /// A pointer to the block of memory to free. + /// None + // https://docs.microsoft.com/en-us/windows/win32/api/swdevice/nf-swdevice-swmemfree void SwMemFree( PVOID pMem ); + [DllImport(Lib_Cfgmgr32, SetLastError = false, ExactSpelling = true)] + [PInvokeData("swdevice.h", MSDNShortId = "NF:swdevice.SwMemFree")] + public static extern void SwMemFree(IntPtr pMem); + /// Provides a handle to a software device. [StructLayout(LayoutKind.Sequential)] public struct HSWDEVICE : IHandle @@ -329,87 +657,19 @@ namespace Vanara.PInvoke protected override bool InternalReleaseHandle() { SwDeviceClose(handle); return true; } } - /* - /// Initiates the enumeration of a software device. - /// - /// A string that names the enumerator of the software device. Choose a name that represents the component that enumerates the devices. - /// - /// - /// A string that specifies the device instance ID of the device that is the parent of the software device. - /// - /// This can be HTREE\ROOT\0, but we recommend to keep children of the root device to a minimum. We also recommend that the - /// preferred parent of a software device be a real device that the software device is extending the functionality for. In - /// situations where a software device doesn't have such a natural parent, create a device as a child of the root that can collect - /// all the software devices that a component will enumerate; then, enumerate the actual software devices as children of this device - /// grouping node. This keeps the children of the root device to a manageable number. - /// - /// - /// A pointer to a SW_DEVICE_CREATE_INFO structure that describes info that PnP uses to create the device. - /// The number of DEVPROPERTY structures in the pProperties array. - /// - /// An optional array of DEVPROPERTY structures. These properties are set on the device after it is created but before a - /// notification that the device has been created are sent. For more info, see Remarks. This pointer can be NULL. - /// - /// - /// The SW_DEVICE_CREATE_CALLBACK callback function that the operating system calls after PnP enumerates the device. - /// - /// - /// An optional client context that the operating system passes to the callback function. This pointer can be NULL. - /// - /// - /// A pointer to a variable that receives the HSWDEVICE handle that represents the device. Call SwDeviceClose to close this - /// handle after the client app wants PnP to remove the device. - /// - /// - /// S_OK is returned if device enumeration was successfully initiated. This does not mean that the device has been successfully - /// enumerated. Check the CreateResult parameter of the SW_DEVICE_CREATE_CALLBACK callback function to determine if the device was - /// successfully enumerated. - /// - /// - /// SwDeviceCreate returns a handle that represents the device. After this handle is closed, PnP will remove the device. - /// The calling process must have Administrator access in order to initiate the enumeration of a software device. - /// - /// PnP forms the device instance ID of a software device as "SWD<pszEnumeratorName><pszInstanceId>," but this - /// string might change or PnP might decorate the name. Always get the device instance ID from the callback function. - /// - /// - /// There is a subtle difference between properties that are set as part of a SwDeviceCreate call and properties that are - /// later set by calling SwDevicePropertySet. Properties that are set as part of SwDeviceCreate are stored in memory; if the - /// device is uninstalled or a null driver wipes out the property stores, these properties are written out again by the Software - /// Device API feature when PnP re-enumerates the devices. This is all transparent to the client. Properties that are set using - /// SwDevicePropertySet after the enumeration don't persist in memory. But, if you set a property by using - /// SwDeviceCreate, you can update the value with SwDevicePropertySet, and this update is applied to the in-memory - /// value as well as the persisted store. - /// - /// - /// We recommend that all properties be specified as part of the call to SwDeviceCreate when possible and that these - /// properties be specified for every call to SwDeviceCreate. - /// - /// - /// Note The operating system might possibly call SW_DEVICE_CREATE_CALLBACK before the call to SwDeviceCreate returns. - /// For this reason, the software device handle for the device is supplied as a parameter to the callback function. - /// - /// - /// You can create a software device as the child of a parent that is not present at the time. PnP will enumerate the software - /// device after the parent becomes present. - /// - /// - // https://docs.microsoft.com/en-us/windows/win32/api/swdevice/nf-swdevice-swdevicecreate HRESULT SwDeviceCreate( PCWSTR - // pszEnumeratorName, PCWSTR pszParentDeviceInstance, const SW_DEVICE_CREATE_INFO *pCreateInfo, ULONG cPropertyCount, const - // DEVPROPERTY *pProperties, SW_DEVICE_CREATE_CALLBACK pCallback, PVOID pContext, PHSWDEVICE phSwDevice ); - [DllImport(Lib_Cfgmgr32, SetLastError = false, ExactSpelling = true)] - [PInvokeData("swdevice.h", MSDNShortId = "NF:swdevice.SwDeviceCreate")] - public static extern HRESULT SwDeviceCreate([MarshalAs(UnmanagedType.LPWStr)] string pszEnumeratorName, [MarshalAs(UnmanagedType.LPWStr)] string pszParentDeviceInstance, - in SW_DEVICE_CREATE_INFO pCreateInfo, uint cPropertyCount, [In, Optional, MarshalAs(UnmanagedType.LPArray)] DEVPROPERTY[] pProperties, SW_DEVICE_CREATE_CALLBACK pCallback, - [In, Optional] IntPtr pContext, out SafeHSWDEVICE phSwDevice); + internal class SwMemMarshaler : ICustomMarshaler + { + public static ICustomMarshaler GetInstance() => new SwMemMarshaler(); - SwDeviceGetLifetime Gets the lifetime of a software device. - SwDeviceInterfacePropertySet Sets properties on a software device interface. - SwDeviceInterfaceRegister Registers a device interface for a software device and optionally sets properties on that interface. - SwDeviceInterfaceSetState Enables or disables a device interface for a software device. - SwDevicePropertySet Sets properties on a software device. - SwDeviceSetLifetime Manages the lifetime of a software device. - SwMemFree Frees memory that other Software Device API functions allocated. - */ + void ICustomMarshaler.CleanUpManagedData(object ManagedObj) => throw new NotImplementedException(); + + void ICustomMarshaler.CleanUpNativeData(IntPtr pNativeData) => SwMemFree(pNativeData); + + int ICustomMarshaler.GetNativeDataSize() => -1; + + IntPtr ICustomMarshaler.MarshalManagedToNative(object ManagedObj) => throw new NotImplementedException(); + + object ICustomMarshaler.MarshalNativeToManaged(IntPtr pNativeData) => StringHelper.GetString(pNativeData, CharSet.Unicode); + } } } \ No newline at end of file