diff --git a/reactos/include/psdk/commctrl.h b/reactos/include/psdk/commctrl.h
index 9f3366e3474..2b51c2e072f 100644
--- a/reactos/include/psdk/commctrl.h
+++ b/reactos/include/psdk/commctrl.h
@@ -2392,6 +2392,7 @@ extern "C" {
 
 #define LVFI_PARAM 0x1
 #define LVFI_STRING 0x2
+#define LVFI_SUBSTRING 0x4
 #define LVFI_PARTIAL 0x8
 #define LVFI_WRAP 0x20
 #define LVFI_NEARESTXY 0x40
@@ -4380,6 +4381,8 @@ typedef struct tagTVDISPINFOEXW {
     SYSTEMTIME st;
   } MCHITTESTINFO,*PMCHITTESTINFO;
 
+#define MCHITTESTINFO_V1_SIZE CCSIZEOF_STRUCT(MCHITTESTINFO, st)
+
 #define MCHT_TITLE 0x10000
 #define MCHT_CALENDAR 0x20000
 #define MCHT_TODAYLINK 0x30000
diff --git a/reactos/include/psdk/shellapi.h b/reactos/include/psdk/shellapi.h
index 26fe6450873..ff7b94ea3f9 100644
--- a/reactos/include/psdk/shellapi.h
+++ b/reactos/include/psdk/shellapi.h
@@ -128,6 +128,19 @@ extern "C" {
 #define SHGFI_PIDL	8
 #define SHGFI_USEFILEATTRIBUTES	16
 
+#if (NTDDI_VERSION >= NTDDI_WINXP)
+#define SHIL_LARGE        0x0
+#define SHIL_SMALL        0x1
+#define SHIL_EXTRALARGE   0x2
+#define SHIL_SYSSMALL     0x3
+#if (NTDDI_VERSION >= NTDDI_VISTA)
+#define SHIL_JUMBO        0x4
+#define SHIL_LAST         SHIL_JUMBO
+#else
+#define SHIL_LAST         SHIL_SYSSMALL
+#endif
+#endif
+
 typedef struct _SHCREATEPROCESSINFOW
 {
     DWORD cbSize;