diff --git a/comtypes/shelllink.py b/comtypes/shelllink.py
index 6cc4cc30..1736b696 100644
--- a/comtypes/shelllink.py
+++ b/comtypes/shelllink.py
@@ -18,19 +18,24 @@
 SLGP_RAWPATH = 0x4
 
 # for SetShowCmd, GetShowCmd
-##SW_SHOWNORMAL
-##SW_SHOWMAXIMIZED
-##SW_SHOWMINNOACTIVE
-
+SW_SHOWNORMAL = 0x01
+SW_SHOWMAXIMIZED = 0x03
+SW_SHOWMINNOACTIVE = 0x07
 
 # for Resolve
-##SLR_INVOKE_MSI
-##SLR_NOLINKINFO
-##SLR_NO_UI
-##SLR_NOUPDATE
-##SLR_NOSEARCH
-##SLR_NOTRACK
-##SLR_UPDATE
+SLR_INVOKE_MSI = 0x0080
+SLR_NOLINKINFO = 0x0040
+SLR_NO_UI = 0x0001
+SLR_NOUPDATE = 0x0008
+SLR_NOSEARCH = 0x0010
+SLR_NOTRACK = 0x0020
+SLR_UPDATE = 0x0004
+
+# for Hotkey
+HOTKEYF_ALT = 0x04
+HOTKEYF_CONTROL = 0x02
+HOTKEYF_EXT = 0x08
+HOTKEYF_SHIFT = 0x01
 
 # fake these...
 ITEMIDLIST = c_int
diff --git a/comtypes/test/test_shelllink.py b/comtypes/test/test_shelllink.py
index c7689400..70fab981 100644
--- a/comtypes/test/test_shelllink.py
+++ b/comtypes/test/test_shelllink.py
@@ -50,17 +50,15 @@ def test_set_and_get_arguments(self):
         self.assertEqual(shortcut.GetArguments(), b"-f")
 
     def test_set_and_get_hotkey(self):
-        HOTKEYF_ALT = 0x04
-        HOTKEYF_CONTROL = 0x02
+        hotkey = shelllink.HOTKEYF_ALT | shelllink.HOTKEYF_CONTROL
         shortcut = self._create_shortcut()
-        shortcut.Hotkey = HOTKEYF_ALT | HOTKEYF_CONTROL
-        self.assertEqual(shortcut.Hotkey, HOTKEYF_ALT | HOTKEYF_CONTROL)
+        shortcut.Hotkey = hotkey
+        self.assertEqual(shortcut.Hotkey, hotkey)
 
     def test_set_and_get_showcmd(self):
-        SW_SHOWMAXIMIZED = 0x03
         shortcut = self._create_shortcut()
-        shortcut.ShowCmd = SW_SHOWMAXIMIZED
-        self.assertEqual(shortcut.ShowCmd, SW_SHOWMAXIMIZED)
+        shortcut.ShowCmd = shelllink.SW_SHOWMAXIMIZED
+        self.assertEqual(shortcut.ShowCmd, shelllink.SW_SHOWMAXIMIZED)
 
     def test_set_and_get_icon_location(self):
         shortcut = self._create_shortcut()
@@ -113,17 +111,15 @@ def test_set_and_get_arguments(self):
         self.assertEqual(shortcut.GetArguments(), "-f")
 
     def test_set_and_get_hotkey(self):
-        HOTKEYF_ALT = 0x04
-        HOTKEYF_CONTROL = 0x02
+        hotkey = shelllink.HOTKEYF_ALT | shelllink.HOTKEYF_CONTROL
         shortcut = self._create_shortcut()
-        shortcut.Hotkey = HOTKEYF_ALT | HOTKEYF_CONTROL
-        self.assertEqual(shortcut.Hotkey, HOTKEYF_ALT | HOTKEYF_CONTROL)
+        shortcut.Hotkey = hotkey
+        self.assertEqual(shortcut.Hotkey, hotkey)
 
     def test_set_and_get_showcmd(self):
-        SW_SHOWMAXIMIZED = 0x03
         shortcut = self._create_shortcut()
-        shortcut.ShowCmd = SW_SHOWMAXIMIZED
-        self.assertEqual(shortcut.ShowCmd, SW_SHOWMAXIMIZED)
+        shortcut.ShowCmd = shelllink.SW_SHOWMAXIMIZED
+        self.assertEqual(shortcut.ShowCmd, shelllink.SW_SHOWMAXIMIZED)
 
     def test_set_and_get_icon_location(self):
         shortcut = self._create_shortcut()