public void Draw(
GridRange range,
GridPoints points)
{
DrawingContext drawingContext = RenderOpen();
DoubleCollection xCollection = new DoubleCollection();
DoubleCollection yCollection = new DoubleCollection();
try {
// vertical line
double renderHeight = points.GetHeight(range.Rows);
Rect verticalLineRect = new Rect(new Size(GridLineThickness, renderHeight));
foreach (int i in range.Columns.GetEnumerable()) {
verticalLineRect.X = points.xPosition(i + 1) - GridLineThickness;
drawingContext.DrawRectangle(GridLineBrush, null, verticalLineRect);
xCollection.Add(verticalLineRect.X);
}
// horizontal line
double renderWidth = points.GetWidth(range.Columns);
Rect horizontalLineRect = new Rect(new Size(renderWidth, GridLineThickness));
foreach (int i in range.Rows.GetEnumerable()) {
horizontalLineRect.Y = points.yPosition(i + 1) - GridLineThickness;
drawingContext.DrawRectangle(GridLineBrush, null, horizontalLineRect);
yCollection.Add(horizontalLineRect.Y);
}
XSnappingGuidelines = xCollection;
YSnappingGuidelines = yCollection;
} finally {
drawingContext.Close();
}
}
