/// <summary>
/// 这里的鼠标点击事件中包含了根据[当前工具条的命令]进行相应事件触发的逻辑
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void axMapControl_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
if (!ApplicationV.IsBanFormMainMapClick)
{
try
{
//屏幕坐标点转化为地图坐标点
pPointPt = (axMapControl.Map as IActiveView).ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
if (e.button == 1)
{
IActiveView pActiveView = axMapControl.ActiveView;
IEnvelope pEnvelope = new EnvelopeClass();
switch (pMouseOperate)
{
#region 区域导出
case "ExportRegion":
//删除视图中数据
axMapControl.ActiveView.GraphicsContainer.DeleteAllElements();
axMapControl.ActiveView.Refresh();
IPolygon pPolygon = MapUtils.DrawPolygon(axMapControl);
if (pPolygon == null)
{
return;
}
MapUtils.AddElement(pPolygon, axMapControl.ActiveView);
presenter.CallOutFormExport(false, pPolygon);
break;
#endregion
#region 距离量算
case "MeasureLength":
//判断追踪线对象是否为空，若是则实例化并设置当前鼠标点为起始点
if (pNewLineFeedback == null)
{
//实例化追踪线对象
pNewLineFeedback = new NewLineFeedbackClass();
pNewLineFeedback.Display = (axMapControl.Map as IActiveView).ScreenDisplay;
//设置起点，开始动态线绘制
pNewLineFeedback.Start(pPointPt);
dToltalLength = 0;
}
else //如果追踪线对象不为空，则添加当前鼠标点
{
pNewLineFeedback.AddPoint(pPointPt);
}
//pGeometry = m_PointPt;
if (dSegmentLength != 0)
{
dToltalLength = dToltalLength + dSegmentLength;
}
break;
#endregion
#region 面积量算
case "MeasureArea":
if (pNewPolygonFeedback == null)
{
//实例化追踪面对象
pNewPolygonFeedback = new NewPolygonFeedback();
pNewPolygonFeedback.Display = (axMapControl.Map as IActiveView).ScreenDisplay;
;
pAreaPointCol.RemovePoints(0, pAreaPointCol.PointCount);
//开始绘制多边形
pNewPolygonFeedback.Start(pPointPt);
pAreaPointCol.AddPoint(pPointPt, ref missing, ref missing);
}
else
{
pNewPolygonFeedback.AddPoint(pPointPt);
pAreaPointCol.AddPoint(pPointPt, ref missing, ref missing);
}
break;
#endregion
#region 要素选择
case "SelectFeature":
IPoint point = new PointClass();
IGeometry pGeometry = point as IGeometry;
axMapControl.Map.SelectByShape(pGeometry, null, false);
axMapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
break;
#endregion
default:
break;
}
}
else if (e.button == 2)
{
pMouseOperate = "";
axMapControl.MousePointer = esriControlsMousePointer.esriPointerDefault;
}
}
catch (Exception exception)
{
Console.WriteLine(exception);
}
}
switch (e.button)
{
case (4):
{
Map.Pan();
break;
}
}
}