diff --git a/core/sys/windows/shell32.odin b/core/sys/windows/shell32.odin
index 358b8482f..4108d54d8 100644
--- a/core/sys/windows/shell32.odin
+++ b/core/sys/windows/shell32.odin
@@ -25,6 +25,7 @@ foreign shell32 {
 	SHAppBarMessage :: proc(dwMessage: DWORD, pData: PAPPBARDATA) -> UINT_PTR ---
 
 	Shell_NotifyIconW :: proc(dwMessage: DWORD, lpData: ^NOTIFYICONDATAW) -> BOOL ---
+	SHChangeNotify :: proc(wEventId: LONG, uFlags: UINT, dwItem1: LPCVOID, dwItem2: LPCVOID) ---
 
 	SHGetKnownFolderIDList :: proc(rfid: REFKNOWNFOLDERID, dwFlags: /* KNOWN_FOLDER_FLAG */ DWORD, hToken: HANDLE, ppidl: rawptr) -> HRESULT ---
 	SHSetKnownFolderPath :: proc(rfid: REFKNOWNFOLDERID, dwFlags: /* KNOWN_FOLDER_FLAG */ DWORD, hToken: HANDLE, pszPath: PCWSTR ) -> HRESULT ---
@@ -91,3 +92,53 @@ KNOWN_FOLDER_FLAG :: enum u32 {
 	SIMPLE_IDLIST                    = 0x00000100,
 	ALIAS_ONLY                       = 0x80000000,
 }
+
+SHCNRF_InterruptLevel     :: 0x0001
+SHCNRF_ShellLevel         :: 0x0002
+SHCNRF_RecursiveInterrupt :: 0x1000
+SHCNRF_NewDelivery        :: 0x8000
+
+SHCNE_RENAMEITEM          :: 0x00000001
+SHCNE_CREATE              :: 0x00000002
+SHCNE_DELETE              :: 0x00000004
+SHCNE_MKDIR               :: 0x00000008
+SHCNE_RMDIR               :: 0x00000010
+SHCNE_MEDIAINSERTED       :: 0x00000020
+SHCNE_MEDIAREMOVED        :: 0x00000040
+SHCNE_DRIVEREMOVED        :: 0x00000080
+SHCNE_DRIVEADD            :: 0x00000100
+SHCNE_NETSHARE            :: 0x00000200
+SHCNE_NETUNSHARE          :: 0x00000400
+SHCNE_ATTRIBUTES          :: 0x00000800
+SHCNE_UPDATEDIR           :: 0x00001000
+SHCNE_UPDATEITEM          :: 0x00002000
+SHCNE_SERVERDISCONNECT    :: 0x00004000
+SHCNE_UPDATEIMAGE         :: 0x00008000
+SHCNE_DRIVEADDGUI         :: 0x00010000
+SHCNE_RENAMEFOLDER        :: 0x00020000
+SHCNE_FREESPACE           :: 0x00040000
+
+SHCNE_EXTENDED_EVENT      :: 0x04000000
+
+SHCNE_ASSOCCHANGED        :: 0x08000000
+
+SHCNE_DISKEVENTS          :: 0x0002381F
+SHCNE_GLOBALEVENTS        :: 0x0C0581E0
+SHCNE_ALLEVENTS           :: 0x7FFFFFFF
+SHCNE_INTERRUPT           :: 0x80000000
+
+SHCNEE_ORDERCHANGED       :: 2
+SHCNEE_MSI_CHANGE         :: 4
+SHCNEE_MSI_UNINSTALL      :: 5
+
+SHCNF_IDLIST              :: 0x0000
+SHCNF_PATHA               :: 0x0001
+SHCNF_PRINTERA            :: 0x0002
+SHCNF_DWORD               :: 0x0003
+SHCNF_PATHW               :: 0x0005
+SHCNF_PRINTERW            :: 0x0006
+SHCNF_TYPE                :: 0x00FF
+SHCNF_FLUSH               :: 0x1000
+SHCNF_FLUSHNOWAIT         :: 0x3000
+
+SHCNF_NOTIFYRECURSIVE     :: 0x10000