protected override void DrawContent(DrawingContext drawingContext)
{
//MyBase.OnRender(drawingContext)
if (ActualWidth <= 0 || ActualHeight <= 0)
{
return;
}
Brush brush;
Brush borderbrush;
if (!IsEnabled)
{
brush = sStyle.BackDisabledBrush;
borderbrush = sStyle.BorderDisabledBrush;
}
else if (MouseOver | pressedState == MouseStates.WindowPressed)
{
brush = sStyle.BackMouseoverBrush;
borderbrush = sStyle.BorderMouseoverBrush;
}
else
{
brush = sStyle.BackNormalBrush;
borderbrush = sStyle.BorderBrush;
}
drawingContext.DrawRectangle(brush, null, new Rect(0, 0, ActualWidth, ActualHeight));
drawingContext.DrawLine(new Pen(borderbrush, sStyle.BaseBorderThickness.Left), new Point(0.5, 0.5),
new Point(0.5, ActualHeight - 0.5));
drawingContext.DrawLine(new Pen(borderbrush, sStyle.BaseBorderThickness.Top), new Point(0.5, 0.5),
new Point(GetSW(false), 0.5));
drawingContext.DrawLine(new Pen(borderbrush, sStyle.BaseBorderThickness.Right), new Point(GetSW(false), 0.5),
new Point(GetSW(false), ActualHeight - 0.5));
drawingContext.DrawLine(new Pen(borderbrush, sStyle.BaseBorderThickness.Bottom),
new Point(0.5, ActualHeight - 0.5),
new Point(GetSW(false), ActualHeight - 0.5));
DrawScrollbar(drawingContext);
if (controller.VisibleCount < 1)
{
return;
}
// Actual loop for drawing list items
for (var i = LowIndex; i <= Math.Min(HighIndex, controller.VisibleCount - 1); i++)
{
brush = getBrush(i, drawingContext, brush);
DrawText(i, drawingContext, brush);
}
//' Draws to line where DragTo points
if (dragTo >= lowIndex && dragTo <= highIndex)
{
if (dragTo < controller.GetSelectedIndex())
{
drawingContext.DrawLine(new Pen(sStyle.PressedBrush, 1),
new Point(0, (dragTo - LowIndex) * sStyle.RowHeight + 3),
new Point(GetSW(), (dragTo - LowIndex) * sStyle.RowHeight + 3));
}
else
{
drawingContext.DrawLine(new Pen(sStyle.PressedBrush, 1),
new Point(0, (dragTo - LowIndex + 1) * sStyle.RowHeight + 3),
new Point(GetSW(), (dragTo - LowIndex + 1) * sStyle.RowHeight + 3));
}
}
}
