private void recordsetToTrackingLayer(soRecordset objRd)
{
soStyle style = new soStyle();
style.PenColor = Util.ColorToUInt32(Color.Red);
//style.BrushStyle = 0;
style.BrushOpaqueRate = 50;
objRd.MoveFirst();
while (!objRd.IsEOF())
{
soGeometry geo = objRd.GetGeometry();
this.axSuperMap1.TrackingLayer.AddEvent(geo, style, "Search");
objRd.MoveNext();
}
}
/// <summary>
/// 设置地图的显示范围
/// </summary>
/// <param name="objRd">需要显示的记录集</param>
private void viewRecordset(soRecordset objRd)
{
double left = Double.MaxValue;
double right = Double.MinValue;
double bottom = Double.MaxValue;
double top = Double.MinValue;
objRd.MoveFirst();
while (!objRd.IsEOF())
{
soRect bounds = objRd.GetGeometry().Bounds;
if (left>bounds.Left)
{
left = bounds.Left;
}
if (right < bounds.Right)
{
right = bounds.Right;
}
if (bottom > bounds.Bottom)
{
bottom = bounds.Bottom;
}
if (top < bounds.Top)
{
top = bounds.Top;
}
objRd.MoveNext();
}
soRect rect = new soRect();
rect.Left = left;
rect.Right = right;
rect.Bottom = bottom;
rect.Top = top;
viewBounds(rect);
}
