private void sizeList_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
FontSizeListItem item = sizeList.SelectedItem as FontSizeListItem;
if (item != null)
{
SelectedFontSize = item.SizeInPixels;
}
}
private void sizeTextBox_TextChanged(object sender, TextChangedEventArgs e)
{
double sizeInPoints;
if (double.TryParse(sizeTextBox.Text, out sizeInPoints))
{
double sizeInPixels = FontSizeListItem.PointsToPixels(sizeInPoints);
if (!FontSizeListItem.FuzzyEqual(sizeInPixels, SelectedFontSize))
{
SelectedFontSize = sizeInPixels;
}
}
}
// Handle changes to the SelectedFontSize property
private void OnSelectedFontSizeChanged(double sizeInPixels)
{
// Select the list item, if the size is in the list.
double sizeInPoints = FontSizeListItem.PixelsToPoints(sizeInPixels);
if (!SelectListItem(sizeList, sizeInPoints))
{
sizeList.SelectedIndex = -1;
}
// Set the text box contents if it doesn't already match the current size.
double textBoxValue;
if (!double.TryParse(sizeTextBox.Text, out textBoxValue) || !FontSizeListItem.FuzzyEqual(textBoxValue, sizeInPoints))
{
sizeTextBox.Text = sizeInPoints.ToString();
}
}