make scroll view change height

main.go

@@ -303,7 +303,7 @@ func (sl *slide) addCell( /*cl *cell*/ ) {
 	var cl cell
 
 	cl.index = len(*sl)
-
+	window.ObjectByName("gridRect").Set("count", window.ObjectByName("gridRect").Int("count")+1)
 	cl.qmlcell = cellQml.Create(nil)
 	cl.qmlcell.Set("objectName", fmt.Sprintf("cellRect%d", len(*sl)))
 	cl.qmlcell.Set("parent", window.ObjectByName("data1"))

main.qml

@@ -74,6 +74,7 @@ ApplicationWindow {
             anchors.bottomMargin: 0
             anchors.top: parent.top
             anchors.topMargin: 0
+            property int count: 0
 
             ScrollView {
                 id: scview
@@ -84,7 +85,7 @@ ApplicationWindow {
                     id: gridData
                     objectName: "gridData"
                     width: scview.width
-                    height: 100
+                    height: gridRect.count*100
 
                     Rectangle {
                         id: col1