Bug #1890 Opencv 2.4.0 with QT 4.7.4 and cvcreatebutton exception fixed.

QVector range check exception fixed.
12 years ago · 06a7a1ac47
parent f9c6123439
commit 06a7a1ac47
1 changed files with 2 additions and 1 deletions
--- a/modules/highgui/src/window_QT.cpp
+++ b/modules/highgui/src/window_QT.cpp
@ -1736,7 +1736,8 @@ void CvWindow::displayStatusBar(QString text, int delayms)

 void CvWindow::enablePropertiesButton()
 {
-    vect_QActions[9]->setDisabled(false);
+    if (!vect_QActions.empty())
+        vect_QActions[9]->setDisabled(false);
 }