//构造等分点
private void button2_Click(object sender, EventArgs e)
{
delFeature("point");
IPoint centerPoint = new PointClass();
centerPoint.PutCoords(10, 10);
IPoint fromPoint = new PointClass();
fromPoint.PutCoords(0, 0);
IPoint toPoint = new PointClass();
toPoint.PutCoords(10, 20);
ICircularArc circularArcConstruction = new CircularArcClass();
circularArcConstruction.PutCoords(centerPoint, fromPoint, toPoint, esriArcOrientation.esriArcClockwise);
IConstructMultipoint constructMultipoint = new MultipointClass();
constructMultipoint.ConstructDivideEqual(circularArcConstruction as ICurve, (int)circularArcConstruction.Length / 5);
IPointCollection pointCollection = constructMultipoint as IPointCollection;
for (int i = 0; i < pointCollection.PointCount; i++)
{
addFeature("point", pointCollection.get_Point(i));
}
axMapControl1.Refresh();
}