diff --git a/Lib/lib-stdwin/stdwinevents.py b/Lib/lib-stdwin/stdwinevents.py
index 889dd95..ab80148 100644
--- a/Lib/lib-stdwin/stdwinevents.py
+++ b/Lib/lib-stdwin/stdwinevents.py
@@ -22,6 +22,10 @@
 WE_DRAW       = 10	# detail is ((left, top), (right, bottom))
 WE_TIMER      = 11	# detail is <no object>
 WE_DEACTIVATE = 12	# detail is <no object>
+WE_EXTERN     = 13	# detail is <no object>
+WE_KEY        = 14	# detail is ???
+WE_LOST_SEL   = 15	# detail is selection number
+WE_CLOSE      = 16	# detail is <no object>
 
 # Values for detail when type is WE_COMMAND:
 
@@ -34,3 +38,9 @@
 WC_BACKSPACE  =  7	# backspace key
 WC_TAB        =  8	# tab key
 WC_RETURN     =  9	# return or enter key
+
+# Selection numbers
+
+WS_CLIPBOARD   = 0
+WS_PRIMARY     = 1
+WS_SECONDARY   = 2