/// <summary>
/// Draws the content of a <see cref="T:System.Windows.Media.DrawingContext"/> object during the render pass of a <see cref="T:System.Windows.Controls.Panel"/> element.
/// </summary>
/// <param name="dc">The <see cref="T:System.Windows.Media.DrawingContext"/> object to draw.</param>
protected override void OnRender(DrawingContext dc)
{
base.OnRender(dc);
var scale = 1d;
if (_mustScale) scale = _scale.ScaleX;
var offset = new Point();
if (_scrollHorizontal.Visibility == Visibility.Visible) offset.X += (_scrollHorizontal.Value * _scale.ScaleX) * -1;
if (_scrollVertical.Visibility == Visibility.Visible) offset.Y += (_scrollVertical.Value * _scale.ScaleY) * -1;
if (_headers.Count != 0)
{
if (GroupHeaderRenderer == null) GroupHeaderRenderer = new AutoLayoutHeaderRenderer();
foreach (var bg in _groupBackgrounds)
GroupHeaderRenderer.RenderBackground(dc, bg, scale, offset);
foreach (var header in _headers)
GroupHeaderRenderer.RenderHeader(dc, header, scale, offset);
}
if (RenderHorizontalControlSeparatorLines && HorizontalLineSeparatorBrush != null)
{
var pen = new Pen(HorizontalLineSeparatorBrush, 1d);
foreach (var column in _controlPairPositionedRectangles)
{
var right = column.Max(c => c.Right);
right = (double)(int) right;
foreach (var rect in column)
{
var y = rect.Bottom + VerticalControlSeparatorOffset;
y = (int) y;
y += .5d;
var x = (double) (int) rect.X;
dc.DrawLine(pen, new Point(x, y), new Point(right, y));
}
}
}
OnRenderCustom(dc, scale, offset);
}
/// <summary>
/// Draws the content of a <see cref="T:System.Windows.Media.DrawingContext"/> object during the render pass of a <see cref="T:System.Windows.Controls.Panel"/> element.
/// </summary>
/// <param name="dc">The <see cref="T:System.Windows.Media.DrawingContext"/> object to draw.</param>
protected override void OnRender(DrawingContext dc)
{
base.OnRender(dc);
if (!RenderHeaders) return;
if (HeaderRenderer == null) HeaderRenderer = new AutoLayoutHeaderRenderer();
var offset = new Point();
foreach (var header in _headers)
HeaderRenderer.RenderHeader(dc, header, 1d, offset);
}