CreateHeaderOrFooterLabel
(
String sLabelText,
Double dLabelWidth,
System.Drawing.Font oLabelFont,
out Label oLabel,
out Double dLabelHeight
)
{
Debug.Assert(dLabelWidth > 0);
Debug.Assert(oLabelFont != null);
AssertValid();
if (sLabelText == null)
{
oLabel = null;
dLabelHeight = 0;
return;
}
// Use a TextBlock to provide wrapping.
TextBlock oTextBlock = new TextBlock();
oTextBlock.Text = sLabelText;
oTextBlock.TextWrapping = TextWrapping.Wrap;
WpfGraphicsUtil.SetTextBlockFont(oTextBlock, oLabelFont);
oLabel = new Label();
oLabel.Background = HeaderFooterBackgroundBrush;
oLabel.MaxWidth = dLabelWidth;
oLabel.Content = oTextBlock;
// Determine the height of the control. This will likely be a floating
// point number.
oLabel.Measure(new Size(dLabelWidth, Double.PositiveInfinity));
// The label height must be an integer. If it's not an integer, any
// Image controls contained in the parent StackPanel will be distorted
// because they don't fall on a pixel boundary.
oLabel.Height = Math.Ceiling(oLabel.DesiredSize.Height);
oLabel.Measure(new Size(dLabelWidth, Double.PositiveInfinity));
dLabelHeight = oLabel.DesiredSize.Height;
}