public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
// TODO: Add ToolCreateParallel.OnMouseDown implementation
if (Button == 1 && (m_pMapCtl = ClsGlobal.GetMapControl(m_hookHelper)) != null)
{
IMap pMap = m_pMapCtl.Map;
IPoint po = m_pMapCtl.ToMapPoint(X, Y);
ISelectionEnvironment pSelectionEnv = new SelectionEnvironmentClass();
IGeometry geometry = new PolygonClass();
geometry = m_pMapCtl.TrackRectangle();
pMap.SelectByShape(geometry, pSelectionEnv, true);
m_pMapCtl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
IEnumFeatureSetup pSelectionsetup = pMap.FeatureSelection as IEnumFeatureSetup;
pSelectionsetup.AllFields = true;//这里是关键
IEnumFeature pFeatureCollection = pSelectionsetup as IEnumFeature;
IFeature pF = pFeatureCollection.Next();
if (pF != null && pF.Shape is IPolyline)
{
FrmParallelLineOffset frm = new FrmParallelLineOffset();
if (frm.ShowDialog() == DialogResult.OK)
{
IPolyline pPolyline = ConstructOffset(pF.Shape as IPolyline, frm.offset);
IFeature pFeature = m_FLayer.FeatureClass.CreateFeature();
pFeature.Shape = pPolyline;
pFeature.Store();
m_pMapCtl.Refresh();
}
}
}
}
/// <summary>
/// Occurs when this command is clicked
/// </summary>
public override void OnClick()
{
// TODO: Add CmdCreateParrallel.OnClick implementation
IEngineEditor pEngineEdit = new EngineEditorClass();
IEngineEditLayers pEEditLayers = pEngineEdit as IEngineEditLayers;
IFeatureLayer targetLayer = pEEditLayers.TargetLayer;
IFeatureSelection featureSelection = targetLayer as IFeatureSelection;
ISelectionSet selectionSet = featureSelection.SelectionSet;
if (selectionSet.Count > 0)
{
ICursor cursor;
selectionSet.Search(null, true, out cursor);
IFeatureCursor featureCursor = cursor as IFeatureCursor;
IFeature feature = null;
FrmParallelLineOffset frm = new FrmParallelLineOffset();
if (frm.ShowDialog() == DialogResult.OK)
{
while ((feature = featureCursor.NextFeature()) != null)
{
IPolyline pPolyline = ConstructOffset(feature.Shape as IPolyline, frm.offset);
IFeature pFeature = targetLayer.FeatureClass.CreateFeature();
pFeature.Shape = pPolyline;
pFeature.Store();
m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
}
}
}
}
