private async void SetMathView()
{
var vs = await GetMathSize();
int extra = 32;
Size view = ContentViewer.RenderSize;
if (vs != Size.Empty)
{
if (MathView.ActualWidth != vs.Width + extra || vs.Width > view.Width - extra)
{
MathView.Width = vs.Width + extra;
ContentViewer.HorizontalContentAlignment = HorizontalAlignment.Center;
}
else
{
MathView.Width = view.Width - extra;
}
if (MathView.ActualHeight != vs.Height + extra || vs.Height > view.Height - extra)
{
MathView.Height = vs.Height + extra;
}
else
{
MathView.Height = view.Height - extra;
}
if (MathView.ActualWidth > ContentViewer.ActualWidth)
{
ContentViewer.HorizontalScrollBarVisibility = ScrollBarVisibility.Visible;
}
else
{
ContentViewer.HorizontalScrollBarVisibility = ScrollBarVisibility.Auto;
}
if (MathView.ActualHeight > ContentViewer.ActualHeight)
{
ContentViewer.VerticalScrollBarVisibility = ScrollBarVisibility.Visible;
}
else
{
ContentViewer.VerticalScrollBarVisibility = ScrollBarVisibility.Auto;
}
//ContentViewer.UpdateLayout();
ContentViewer.ChangeView((MathView.ActualWidth - ContentViewer.ActualWidth) / 2.0, 0, 1, true);
//ContentViewer.VerticalScrollMode = ScrollMode.Auto;
}
}