fix a crash of API::root

2015-10-14 22:20:51 +08:00 · 2015-10-14 22:20:51 +08:00 · cb4bb7d60e
commit cb4bb7d60e
parent b160e5e833
2 changed files with 4 additions and 2 deletions
--- a/source/gui/place.cpp
+++ b/source/gui/place.cpp
@ -8,7 +8,7 @@
 *	http://www.boost.org/LICENSE_1_0.txt)
 *
 *	@file: nana/gui/place.cpp
- *	@contributors: qPCR4vir
+ *	@contributors: Ariel Vina-Rodriguez
 */

 #include <cfloat>
--- a/source/gui/programming_interface.cpp
+++ b/source/gui/programming_interface.cpp
@ -442,7 +442,9 @@ namespace API
 	native_window_type root(window wd)
 	{
 		internal_scope_guard lock;
-		return reinterpret_cast<basic_window*>(wd)->root;
+		if(is_window(wd))
+			return reinterpret_cast<basic_window*>(wd)->root;
+		return nullptr;
 	}

 	window root(native_window_type wd)