X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/657b4fd417a9750ac699512005694c1b392fd866..571d2e0f232be3f7220c485c7e72eccfb87f2855:/src/common/wincmn.cpp?ds=sidebyside

diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp
index 9d0b6f4582..7d16c18b26 100644
--- a/src/common/wincmn.cpp
+++ b/src/common/wincmn.cpp
@@ -200,6 +200,8 @@ wxWindowBase::wxWindowBase()
 
     m_virtualSize = wxDefaultSize;
 
+    m_scrollHelper = (wxScrollHelper *) NULL;
+
     m_minVirtualWidth =
     m_maxVirtualWidth = wxDefaultCoord;
     m_minVirtualHeight =
@@ -745,9 +747,10 @@ bool wxWindowBase::Enable(bool enable)
     }
 }
 
-bool wxWindowBase::IsVisible() const
+bool wxWindowBase::IsShownOnScreen() const
 {
-    return IsShown() && (GetParent() == NULL || GetParent()->IsVisible());
+    return IsShown() &&
+           (GetParent() == NULL || GetParent()->IsShownOnScreen());
 }
 
 // ----------------------------------------------------------------------------