AE基礎之新增點 線 面要素

事先定義pmap和pactiveview物件

imap pmap = axmapcontrol1.map;

iactiveview pactview = axmapcontrol1.activeview;

點要素tian新增

1、在mapcontrol1的mouse事件中新增如下**

axmapcontrol1.mousepointer = esricontrolsmousepointer.esripointercrosshair;

imarkerelement markerelement = new markerelementclass();

ielement element = markerelement as ielement;

element.geometry = pt;

igraphicscontainer graphicscontainer = pmap as igraphicscontainer;

graphicscontainer.addelement((ielement)markerelement, 0);

pactview.refresh();

2、在點要素單擊事件按鈕中呼叫以上**

線要素新增

1、在mapcontrol1的mouse事件中新增如下**

axmapcontrol1.mousepointer = esricontrolsmousepointer.esripointercrosshair;

igeometry polyline = axmapcontrol1.trackline();

ilineelement plele = new lineelementclass();

ielement pele = plele as ielement;

pele.geometry = polyline;

igraphicscontainer pgracontainer = pmap as igraphicscontainer;

pgracontainer.addelement((ielement)plele, 0);

pactview.refresh();

面要素新增

1、在mapcontrol1的mouse事件中新增如下**

axmapcontrol1.mousepointer = esricontrolsmousepointer.esripointercrosshair;

igeometry poly = axmapcontrol1.trackpolygon();

ipolygonelement polygonele = new polygonelementclass();

ielement pelement = polygonele as ielement;

pelement.geometry = poly;

igraphicscontainer pgraphicscontainer = pmap as igraphicscontainer;

pgraphicscontainer.addelement((ielement)polygonele, 0);

pactview.refresh();

2、在面要素單擊事件按鈕中呼叫以上**

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