Use GeneratedDllImport in Microsoft.Extensions.Hosting.WindowsServices, System.Drawing.Primitives, System.Management, System.Security.Cryptography.ProtectedData, System.Speech, System.Windows.Extensions

src/libraries/Common/src/Interop/Windows/Crypt32/Interop.CertAddCertificateLinkToStore.cs

@@ -10,7 +10,7 @@ internal static partial class Crypt32
     {
         internal const uint CERT_STORE_ADD_ALWAYS = 4;
 
-        [DllImport(Interop.Libraries.Crypt32, CharSet = CharSet.Unicode, SetLastError = true)]
-        internal static extern bool CertAddCertificateLinkToStore(SafeCertStoreHandle hCertStore, SafeCertContextHandle pCertContext, uint dwAddDisposition, [In, Out] SafeCertContextHandle ppStoreContext);
+        [GeneratedDllImport(Interop.Libraries.Crypt32, SetLastError = true)]
+        internal static partial bool CertAddCertificateLinkToStore(SafeCertStoreHandle hCertStore, SafeCertContextHandle pCertContext, uint dwAddDisposition, SafeCertContextHandle ppStoreContext);
     }
 }

src/libraries/Common/src/Interop/Windows/Crypt32/Interop.CertEnumCertificatesInStore_IntPtr.cs

@@ -9,7 +9,7 @@ internal static partial class Interop
 {
     internal static partial class Crypt32
     {
-        [DllImport(Interop.Libraries.Crypt32, CharSet = CharSet.Unicode, SetLastError = true)]
-        internal static extern IntPtr CertEnumCertificatesInStore(SafeCertStoreHandle hCertStore, IntPtr pPrevCertContext);
+        [GeneratedDllImport(Interop.Libraries.Crypt32, SetLastError = true)]
+        internal static partial IntPtr CertEnumCertificatesInStore(SafeCertStoreHandle hCertStore, IntPtr pPrevCertContext);
     }
 }

src/libraries/Common/src/Interop/Windows/Crypt32/Interop.CertOpenStore.cs

@@ -13,7 +13,7 @@ internal static partial class Crypt32
         internal const uint X509_ASN_ENCODING = 0x00000001;
         internal const uint CERT_STORE_PROV_MEMORY = 2;
 
-        [DllImport(Interop.Libraries.Crypt32, CharSet = CharSet.Unicode, SetLastError = true)]
-        internal static extern SafeCertStoreHandle CertOpenStore(IntPtr lpszStoreProvider, uint dwMsgAndCertEncodingType, IntPtr hCryptProv, uint dwFlags, string pvPara);
+        [GeneratedDllImport(Interop.Libraries.Crypt32, SetLastError = true)]
+        internal static partial SafeCertStoreHandle CertOpenStore(IntPtr lpszStoreProvider, uint dwMsgAndCertEncodingType, IntPtr hCryptProv, uint dwFlags, IntPtr pvPara);
     }
 }

src/libraries/Common/src/Interop/Windows/Crypt32/Interop.CryptProtectData.cs

@@ -9,15 +9,15 @@ internal static partial class Interop
 {
     internal static partial class Crypt32
     {
-        [DllImport(Libraries.Crypt32, CharSet = CharSet.Unicode, SetLastError = true)]
+        [GeneratedDllImport(Libraries.Crypt32, CharSet = CharSet.Unicode, ExactSpelling = true, SetLastError = true)]
         [return: MarshalAs(UnmanagedType.Bool)]
-        internal static extern bool CryptProtectData(
-                  [In] ref DATA_BLOB pDataIn,
-                  [In] string? szDataDescr,
-                  [In] ref DATA_BLOB pOptionalEntropy,
-                  [In] IntPtr pvReserved,
-                  [In] IntPtr pPromptStruct,
-                  [In] CryptProtectDataFlags dwFlags,
-                  [Out] out DATA_BLOB pDataOut);
+        internal static partial bool CryptProtectData(
+            ref DATA_BLOB pDataIn,
+            string? szDataDescr,
+            ref DATA_BLOB pOptionalEntropy,
+            IntPtr pvReserved,
+            IntPtr pPromptStruct,
+            CryptProtectDataFlags dwFlags,
+            out DATA_BLOB pDataOut);
     }
 }

src/libraries/Common/src/Interop/Windows/Crypt32/Interop.CryptUnprotectData.cs

@@ -9,15 +9,15 @@ internal static partial class Interop
 {
     internal static partial class Crypt32
     {
-        [DllImport(Libraries.Crypt32, CharSet = CharSet.Unicode, SetLastError = true)]
+        [GeneratedDllImport(Libraries.Crypt32, SetLastError = true)]
         [return: MarshalAs(UnmanagedType.Bool)]
-        internal static extern bool CryptUnprotectData(
-                  [In] ref DATA_BLOB pDataIn,
-                  [In] IntPtr ppszDataDescr,
-                  [In] ref DATA_BLOB pOptionalEntropy,
-                  [In] IntPtr pvReserved,
-                  [In] IntPtr pPromptStruct,
-                  [In] CryptProtectDataFlags dwFlags,
-                  [Out] out DATA_BLOB pDataOut);
+        internal static partial bool CryptUnprotectData(
+            ref DATA_BLOB pDataIn,
+            IntPtr ppszDataDescr,
+            ref DATA_BLOB pOptionalEntropy,
+            IntPtr pvReserved,
+            IntPtr pPromptStruct,
+            CryptProtectDataFlags dwFlags,
+            out DATA_BLOB pDataOut);
     }
 }

src/libraries/Common/src/Interop/Windows/CryptUI/Interop.CryptUIDlgCertificate.cs

@@ -53,10 +53,13 @@ internal sealed class CRYPTUI_SELECTCERTIFICATE_STRUCTW
             internal IntPtr hSelectedCertStore;
         }
 
-        [DllImport(Interop.Libraries.CryptUI, CharSet = CharSet.Unicode, SetLastError = true)]
+#pragma warning disable DLLIMPORTGENANALYZER015 // Use 'GeneratedDllImportAttribute' instead of 'DllImportAttribute' to generate P/Invoke marshalling code at compile time
+        // TODO: [DllImportGenerator] Switch to use GeneratedDllImport once we support non-blittable types.
+        [DllImport(Interop.Libraries.CryptUI, CharSet = CharSet.Unicode, ExactSpelling = true, SetLastError = true)]
         internal static extern bool CryptUIDlgViewCertificateW([MarshalAs(UnmanagedType.LPStruct)] CRYPTUI_VIEWCERTIFICATE_STRUCTW ViewInfo, IntPtr pfPropertiesChanged);
 
-        [DllImport(Interop.Libraries.CryptUI, CharSet = CharSet.Unicode, SetLastError = true)]
+        [DllImport(Interop.Libraries.CryptUI, CharSet = CharSet.Unicode, ExactSpelling = true, SetLastError = true)]
         internal static extern SafeCertContextHandle CryptUIDlgSelectCertificateW([In, Out, MarshalAs(UnmanagedType.LPStruct)] CRYPTUI_SELECTCERTIFICATE_STRUCTW csc);
+#pragma warning restore DLLIMPORTGENANALYZER015
     }
 }

src/libraries/Common/src/Interop/Windows/Kernel32/Interop.CreateToolhelp32Snapshot.cs

@@ -0,0 +1,55 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System;
+using System.Runtime.InteropServices;
+
+internal static partial class Interop
+{
+    internal static partial class Kernel32
+    {
+        [Flags]
+        internal enum SnapshotFlags : uint
+        {
+            HeapList = 0x00000001,
+            Process = 0x00000002,
+            Thread = 0x00000004,
+            Module = 0x00000008,
+            Module32 = 0x00000010,
+            All = (HeapList | Process | Thread | Module),
+            Inherit = 0x80000000,
+            NoHeaps = 0x40000000
+        }
+
+        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
+        internal struct PROCESSENTRY32
+        {
+            internal int dwSize;
+            internal int cntUsage;
+            internal int th32ProcessID;
+            internal IntPtr th32DefaultHeapID;
+            internal int th32ModuleID;
+            internal int cntThreads;
+            internal int th32ParentProcessID;
+            internal int pcPriClassBase;
+            internal int dwFlags;
+            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = MAX_PATH)]
+            internal string szExeFile;
+        }
+
+        // https://docs.microsoft.com/en-us/windows/desktop/api/tlhelp32/nf-tlhelp32-createtoolhelp32snapshot
+        [GeneratedDllImport(Libraries.Kernel32, SetLastError = true)]
+        internal static partial IntPtr CreateToolhelp32Snapshot(SnapshotFlags dwFlags, uint th32ProcessID);
+
+#pragma warning disable DLLIMPORTGENANALYZER015 // Use 'GeneratedDllImportAttribute' instead of 'DllImportAttribute' to generate P/Invoke marshalling code at compile time
+        // TODO: [DllImportGenerator] Switch to use GeneratedDllImport once we support non-blittable types.
+        // https://docs.microsoft.com/en-us/windows/desktop/api/tlhelp32/nf-tlhelp32-process32first
+        [DllImport(Libraries.Kernel32, SetLastError = true, CharSet = System.Runtime.InteropServices.CharSet.Auto)]
+        internal static extern bool Process32First(IntPtr hSnapshot, ref PROCESSENTRY32 lppe);
+
+        // https://docs.microsoft.com/en-us/windows/desktop/api/tlhelp32/nf-tlhelp32-process32next
+        [DllImport(Libraries.Kernel32, SetLastError = true, CharSet = System.Runtime.InteropServices.CharSet.Auto)]
+        internal static extern bool Process32Next(IntPtr hSnapshot, ref PROCESSENTRY32 lppe);
+#pragma warning restore DLLIMPORTGENANALYZER015
+    }
+}

src/libraries/Common/src/Interop/Windows/Kernel32/Interop.GlobalLock.cs

@@ -8,8 +8,8 @@ internal static partial class Interop
 {
     internal static partial class Kernel32
     {
-        [DllImport(Libraries.Kernel32, ExactSpelling = true, SetLastError = true)]
-        public static extern IntPtr GlobalLock(IntPtr hMem);
+        [GeneratedDllImport(Libraries.Kernel32, ExactSpelling = true, SetLastError = true)]
+        public static partial IntPtr GlobalLock(IntPtr hMem);
 
         public static IntPtr GlobalLock(HandleRef hMem)
         {
@@ -18,8 +18,8 @@ public static IntPtr GlobalLock(HandleRef hMem)
             return result;
         }
 
-        [DllImport(Libraries.Kernel32, ExactSpelling = true)]
-        public static extern IntPtr GlobalUnlock(IntPtr hMem);
+        [GeneratedDllImport(Libraries.Kernel32, ExactSpelling = true)]
+        public static partial IntPtr GlobalUnlock(IntPtr hMem);
 
         public static IntPtr GlobalUnlock(HandleRef hMem)
         {

src/libraries/Common/src/Interop/Windows/Ole32/Interop.CoGetObjectContext.cs

@@ -3,13 +3,15 @@
 
 using System;
 using System.Runtime.InteropServices;
-using System.Runtime.InteropServices.ComTypes;
 
 internal static partial class Interop
 {
     internal static partial class Ole32
     {
+#pragma warning disable DLLIMPORTGENANALYZER015 // Use 'GeneratedDllImportAttribute' instead of 'DllImportAttribute' to generate P/Invoke marshalling code at compile time
+        // TODO: [DllImportGenerator] Switch to use GeneratedDllImport once we annotate blittable types used in interop in CoreLib (like Guid)
         [DllImport(Libraries.Ole32)]
         internal static extern int CoGetObjectContext([MarshalAs(UnmanagedType.LPStruct)] Guid riid, out IntPtr ppv);
+#pragma warning restore DLLIMPORTGENANALYZER015
     }
 }

src/libraries/Common/src/Interop/Windows/User32/Interop.GetSysColor.cs

@@ -15,7 +15,7 @@ internal static partial class User32
         // index that doesn't exist.
 
         [SuppressGCTransition]
-        [DllImport(Libraries.User32, ExactSpelling = true)]
-        internal static extern uint GetSysColor(int nIndex);
+        [GeneratedDllImport(Libraries.User32, ExactSpelling = true)]
+        internal static partial uint GetSysColor(int nIndex);
     }
 }

src/libraries/Common/src/Interop/Windows/User32/Interop.MessageBeep.cs

@@ -13,7 +13,7 @@ internal static partial class User32
         internal const int MB_ICONEXCLAMATION = 0x30;
         internal const int MB_ICONASTERISK = 0x40;
 
-        [DllImport(Libraries.User32, ExactSpelling = true)]
-        internal static extern bool MessageBeep(int type);
+        [GeneratedDllImport(Libraries.User32, ExactSpelling = true)]
+        internal static partial bool MessageBeep(int type);
     }
 }

src/libraries/Common/src/Interop/Windows/WinMm/Interop.MMCKINFO.cs

@@ -8,7 +8,7 @@ internal static partial class Interop
     internal static partial class WinMM
     {
         [StructLayout(LayoutKind.Sequential)]
-        internal sealed class MMCKINFO
+        internal struct MMCKINFO
         {
             internal int ckID;
             internal int cksize;

src/libraries/Common/src/Interop/Windows/WinMm/Interop.MMSYSERR.cs

@@ -0,0 +1,37 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System.Runtime.InteropServices;
+
+internal static partial class Interop
+{
+    internal static partial class WinMM
+    {
+        // Enum equivalent to MMSYSERR_*
+        internal enum MMSYSERR : int
+        {
+            NOERROR = 0,
+            ERROR = (1),
+            BADDEVICEID = (2),
+            NOTENABLED = (3),
+            ALLOCATED = (4),
+            INVALHANDLE = (5),
+            NODRIVER = (6),
+            NOMEM = (7),
+            NOTSUPPORTED = (8),
+            BADERRNUM = (9),
+            INVALFLAG = (10),
+            INVALPARAM = (11),
+            HANDLEBUSY = (12),
+            INVALIDALIAS = (13),
+            BADDB = (14),
+            KEYNOTFOUND = (15),
+            READERROR = (16),
+            WRITEERROR = (17),
+            DELETEERROR = (18),
+            VALNOTFOUND = (19),
+            NODRIVERCB = (20),
+            LASTERROR = (20)
+        }
+    }
+}

src/libraries/Common/src/Interop/Windows/WinMm/Interop.PlaySound.cs

@@ -17,10 +17,10 @@ internal static partial class WinMM
         internal const int SND_FILENAME = 0x20000;
         internal const int SND_NOSTOP = 0x10;
 
-        [DllImport(Libraries.WinMM, ExactSpelling = true, CharSet = CharSet.Unicode, EntryPoint = "PlaySoundW")]
-        internal static extern bool PlaySound(string soundName, IntPtr hmod, int soundFlags);
+        [GeneratedDllImport(Libraries.WinMM, EntryPoint = "PlaySoundW", CharSet = CharSet.Unicode, ExactSpelling = true)]
+        internal static partial bool PlaySound(string soundName, IntPtr hmod, int soundFlags);
 
-        [DllImport(Libraries.WinMM, ExactSpelling = true, EntryPoint = "PlaySoundW")]
-        internal static extern bool PlaySound(byte[] soundName, IntPtr hmod, int soundFlags);
+        [GeneratedDllImport(Libraries.WinMM, EntryPoint = "PlaySoundW", ExactSpelling = true)]
+        internal static partial bool PlaySound(byte[] soundName, IntPtr hmod, int soundFlags);
     }
 }

src/libraries/Common/src/Interop/Windows/WinMm/Interop.mmioAscend.cs

@@ -8,7 +8,7 @@ internal static partial class Interop
 {
     internal static partial class WinMM
     {
-        [DllImport(Libraries.WinMM)]
-        internal static extern int mmioAscend(IntPtr hMIO, MMCKINFO lpck, int flags);
+        [GeneratedDllImport(Libraries.WinMM)]
+        internal static unsafe partial int mmioAscend(IntPtr hMIO, MMCKINFO* lpck, int flags);
     }
 }

src/libraries/Common/src/Interop/Windows/WinMm/Interop.mmioClose.cs

@@ -8,7 +8,7 @@ internal static partial class Interop
 {
     internal static partial class WinMM
     {
-        [DllImport(Interop.Libraries.WinMM)]
-        internal static extern int mmioClose(IntPtr hMIO, int flags);
+        [GeneratedDllImport(Interop.Libraries.WinMM)]
+        internal static partial int mmioClose(IntPtr hMIO, int flags);
     }
 }

src/libraries/Common/src/Interop/Windows/WinMm/Interop.mmioDescend.cs

@@ -10,10 +10,11 @@ internal static partial class WinMM
     {
         internal const int MMIO_FINDRIFF = 0x00000020;
 
-        [DllImport(Libraries.WinMM)]
-        internal static extern int mmioDescend(IntPtr hMIO,
-                                               [MarshalAs(UnmanagedType.LPStruct)] MMCKINFO lpck,
-                                               [MarshalAs(UnmanagedType.LPStruct)] MMCKINFO lcpkParent,
-                                               int flags);
+        [GeneratedDllImport(Libraries.WinMM)]
+        internal static unsafe partial int mmioDescend(
+            IntPtr hMIO,
+            MMCKINFO* lpck,
+            MMCKINFO* lcpkParent,
+            int flags);
     }
 }

src/libraries/Common/src/Interop/Windows/WinMm/Interop.mmioOpen.cs

@@ -11,7 +11,7 @@ internal static partial class WinMM
         internal const int MMIO_READ = 0x00000000;
         internal const int MMIO_ALLOCBUF = 0x00010000;
 
-        [DllImport(Libraries.WinMM, CharSet = CharSet.Auto)]
-        internal static extern IntPtr mmioOpen(string fileName, IntPtr not_used, int flags);
+        [GeneratedDllImport(Libraries.WinMM, CharSet = CharSet.Auto)]
+        internal static partial IntPtr mmioOpen(string fileName, IntPtr not_used, int flags);
     }
 }

src/libraries/Common/src/Interop/Windows/WinMm/Interop.mmioRead.cs

@@ -24,7 +24,7 @@ internal sealed class WAVEFORMATEX
         internal const int WAVE_FORMAT_ADPCM = 0x0002;
         internal const int WAVE_FORMAT_IEEE_FLOAT = 0x0003;
 
-        [DllImport(Libraries.WinMM)]
-        internal static extern int mmioRead(IntPtr hMIO, [MarshalAs(UnmanagedType.LPArray)] byte[] wf, int cch);
+        [GeneratedDllImport(Libraries.WinMM)]
+        internal static partial int mmioRead(IntPtr hMIO, [MarshalAs(UnmanagedType.LPArray)] byte[] wf, int cch);
     }
 }

src/libraries/Common/src/Interop/Windows/WinMm/Interop.waveOutClose.cs

@@ -0,0 +1,20 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System;
+using System.Runtime.InteropServices;
+
+internal static partial class Interop
+{
+    internal static partial class WinMM
+    {
+        /// <summary>
+        /// This function closes the specified waveform output device.
+        /// </summary>
+        /// <param name="hwo">Handle to the waveform-audio output device. If the function
+        /// succeeds, the handle is no longer valid after this call.</param>
+        /// <returns>MMSYSERR</returns>
+        [GeneratedDllImport(Libraries.WinMM)]
+        internal static partial MMSYSERR waveOutClose(IntPtr hwo);
+    }
+}

src/libraries/Common/src/Interop/Windows/WinMm/Interop.waveOutGetDevCaps.cs

@@ -0,0 +1,43 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System;
+using System.Runtime.InteropServices;
+
+internal static partial class Interop
+{
+    internal static partial class WinMM
+    {
+#pragma warning disable CA1823 // unused fields
+        internal struct WAVEOUTCAPS
+        {
+            private ushort wMid;
+            private ushort wPid;
+            private uint vDriverVersion;
+            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
+            internal string szPname;
+            private uint dwFormats;
+            private ushort wChannels;
+            private ushort wReserved1;
+            private ushort dwSupport;
+        }
+#pragma warning restore CA1823
+
+        /// <summary>
+        /// This function queries a specified waveform device to determine its
+        /// capabilities.
+        /// </summary>
+        /// <param name="uDeviceID">Identifier of the waveform-audio output device.
+        /// It can be either a device identifier or a Handle to an open waveform-audio
+        /// output device.</param>
+        /// <param name="caps">Pointer to a WAVEOUTCAPS structure to be filled with
+        /// information about the capabilities of the device.</param>
+        /// <param name="cbwoc">Size, in bytes, of the WAVEOUTCAPS structure.</param>
+        /// <returns>MMSYSERR</returns>
+#pragma warning disable DLLIMPORTGENANALYZER015 // Use 'GeneratedDllImportAttribute' instead of 'DllImportAttribute' to generate P/Invoke marshalling code at compile time
+        // TODO: [DllImportGenerator] Switch to use GeneratedDllImport once we support non-blittable types.
+        [DllImport(Libraries.WinMM)]
+        internal static extern MMSYSERR waveOutGetDevCaps(IntPtr uDeviceID, ref WAVEOUTCAPS caps, int cbwoc);
+#pragma warning restore DLLIMPORTGENANALYZER015
+    }
+}