printscreen is only supported on Windows.

octalmage · octalmage · commit 09d8b21ea601 · 2015-09-19T14:22:46.000-05:00
diff --git a/src/robotjs.cc b/src/robotjs.cc
@@ -357,7 +357,11 @@ int CheckKeyCodes(char* k, MMKeyCode *key)
 	}
 	else if (strcmp(k, "printscreen") == 0)
 	{
-		*key = K_PRINTSCREEN;
+		#if defined(IS_WINDOWS)
+			*key = K_PRINTSCREEN;
+		#else
+	 		NanThrowError("printscreen is only supported on Windows.");
+	 	#endif
 	}
 	else if (strlen(k) == 1)
 	{

Original file line number	Diff line number	Diff line change
`@@ -357,7 +357,11 @@ int CheckKeyCodes(char* k, MMKeyCode *key)`
`357`	`357`	`}`
`358`	`358`	`else if (strcmp(k, "printscreen") == 0)`
`359`	`359`	`{`
`360`		`- *key = K_PRINTSCREEN;`
	`360`	`+ #if defined(IS_WINDOWS)`
	`361`	`+ *key = K_PRINTSCREEN;`
	`362`	`+ #else`
	`363`	`+ NanThrowError("printscreen is only supported on Windows.");`
	`364`	`+ #endif`
`361`	`365`	`}`
`362`	`366`	`else if (strlen(k) == 1)`
`363`	`367`	`{`