public void OnMouseDown(int Button, int Shift, int X, int Y)
{
IPoint point = m_focusMap.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y) as IPoint;
if (m_polygonFeedback == null)
{
m_polygonFeedback = new ESRI.ArcGIS.Display.NewPolygonFeedback();
m_polygonFeedback.Display = m_focusMap.ScreenDisplay;
m_polygonFeedback.Start(point);
}
m_polygonFeedback.AddPoint(point);
m_polygonFeedback.MoveTo(point);
}
public IPolygon OnDoubleClick(int Button, int Shift, int X, int Y)
{
//首先会先触发Down，然后执行下面的程序：
m_focusMap.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
IPolygon polygon = null;
if (m_polygonFeedback != null)
{
polygon = m_polygonFeedback.Stop();
}
m_focusMap.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
m_polygonFeedback = null;
return(polygon);
}
