Fixed a crash when removing TreeView from Box

nmgwddj · nmgwddj · commit c627eff95dec · 2019-07-25T11:48:57.000+08:00
Signed-off-by: jiajia_deng &lt;2894220@gmail.com&gt;
diff --git a/tool_kits/duilib/Control/TreeView.cpp b/tool_kits/duilib/Control/TreeView.cpp
@@ -248,7 +248,7 @@ void TreeView::RemoveAll()
 void TreeView::SetWindow(Window* pManager, Box* pParent, bool bInit)
 {
 	ListBox::SetWindow(pManager, pParent, bInit);
-	m_rootNode->SetWindow(pManager, pParent, bInit);
+	if (NULL != pParent) m_rootNode->SetWindow(pManager, pParent, bInit);
 }
 
 }

Original file line number	Diff line number	Diff line change
`@@ -248,7 +248,7 @@ void TreeView::RemoveAll()`
`248`	`248`	`void TreeView::SetWindow(Window* pManager, Box* pParent, bool bInit)`
`249`	`249`	`{`
`250`	`250`	`ListBox::SetWindow(pManager, pParent, bInit);`
`251`		`- m_rootNode->SetWindow(pManager, pParent, bInit);`
	`251`	`+ if (NULL != pParent) m_rootNode->SetWindow(pManager, pParent, bInit);`
`252`	`252`	`}`
`253`	`253`
`254`	`254`	`}`