/// <summary>
/// 初始化图层下拉菜单
/// </summary>
private void InitCtlComboLayer()
{
try
{
int i;
ILayer pLayer;
IFeatureLayer pFeatlayer;
IFeatureClass pFeatCls;
Collection pLyrCol;
Collection LyrCol = null;
if (m_FeatClsCln == null)
{
pLyrCol = ClsSelectQuery.FunGetFeaLyrCol(ClsDeclare.g_pMap, null, LyrCol);
for (i = 1; i <= pLyrCol.Count; i++)
{
pLayer = pLyrCol[i] as ILayer;
if (pLayer is IFeatureLayer)
{
IFeatureLayer pFeatureLayer;
pFeatureLayer = pLayer as IFeatureLayer;
if (pFeatureLayer.Selectable)
{
cboLayerList.Items.Add(pLayer.Name);
}
}
}
}
else
{
for (i = 1; i <= m_FeatClsCln.Count; i++)
{
pLayer = m_FeatClsCln[i] as ILayer;
if (pLayer is IFeatureLayer)
{
pFeatlayer = pLayer as IFeatureLayer;
pFeatCls = pFeatlayer.FeatureClass;
cboLayerList.Items.Add(pFeatCls.AliasName);
}
}
}
if (cboLayerList.Items.Count > 0)
{
cboLayerList.Text = cboLayerList.Items[0].ToString();
}
}
catch (Exception ex)
{
MessageBox.Show("错误", ex.StackTrace, MessageBoxButtons.OK, MessageBoxIcon.Error);
throw;
}
}
private void PopGrid()
{
int i;
IFeatureLayer pFeatureLayer;
IFeatureSelection pFeatSel;
int pRow;
Collection pLyrCol;
Collection LyrCol = null;
pLyrCol = ClsSelectQuery.FunGetFeaLyrCol(ClsDeclare.g_pMap, null, LyrCol);
m_ChangeSelect = new int[pLyrCol.Count];
for (i = 1; i <= pLyrCol.Count; i++)
{
ILayer pLayer;
pLayer = pLyrCol[i] as ILayer;
if (pLayer is IFeatureLayer)
{
pFeatureLayer = pLayer as IFeatureLayer;
pFeatSel = pFeatureLayer as IFeatureSelection;
if (pFeatSel.SelectionSet != null)
{
dgvGridList.Rows.Add();
pRow = dgvGridList.RowCount;
if (pFeatureLayer.Selectable)
{
dgvGridList.Rows[pRow - 2].Cells[0].Value = true;
m_ChangeSelect[i - 1] = 1;
}
else
{
dgvGridList.Rows[pRow - 2].Cells[0].Value = false;
m_ChangeSelect[i] = 0;
}
dgvGridList.Rows[pRow - 2].Cells[1].Value = pFeatureLayer.Name;
}
}
}
}
/// <summary>
/// 选择几何图形
/// </summary>
/// <param name="blnSelect"></param>
/// <param name="pGeometry"></param>
/// <param name="pselecttype"></param>
/// <param name="m_pQueryResultCln"></param>
public static void SelectGeometry(ref bool blnSelect, IGeometry pGeometry, esriSelectionResultEnum pselecttype, ref Collection m_pQueryResultCln)
{
ClsMapLayer pQueryResult;
try
{
if (pGeometry == null)
{
return;
}
if (!(pGeometry is IEnvelope))
{
ITopologicalOperator pTop;
pTop = (ITopologicalOperator)pGeometry;
pTop.Simplify();
}
ILayer pLayer;
IFeatureLayer pFeatLayer;
IFeatureClass pFeatCls;
int i;
IFeatureLayerDefinition pFeaLyrDefine;
Collection pLyrCol;
Collection LyrCol = null;
pLyrCol = ClsSelectQuery.FunGetFeaLyrCol(ClsDeclare.g_pMap, null, LyrCol);
if (pLyrCol == null)
{
return;
}
for (i = 1; i <= pLyrCol.Count; i++)
{
pLayer = pLyrCol[i] as ILayer;
if (pLayer is IFeatureLayer)
{
pFeatLayer = (IFeatureLayer)pLayer;
bool bOutOfRange;
bOutOfRange = false;
if ((ClsDeclare.g_Sys.MapControl) != null)
{
IActiveView pActiveView;
ESRI.ArcGIS.Display.IDisplayTransformation pDisplayTransform;
pActiveView = ClsDeclare.g_Sys.MapControl.ActiveView.FocusMap as IActiveView;
pDisplayTransform = pActiveView.ScreenDisplay.DisplayTransformation;
if (pFeatLayer.MaximumScale == 0 && pFeatLayer.MinimumScale == 0)
{
bOutOfRange = false;
}
if (pFeatLayer.MaximumScale != 0 && pFeatLayer.MinimumScale != 0)
{
if (pDisplayTransform.ScaleRatio > pFeatLayer.MaximumScale && pDisplayTransform.ScaleRatio < pFeatLayer.MinimumScale)
{
bOutOfRange = false;
}
else
{
bOutOfRange = true;
}
}
if (pFeatLayer.MaximumScale == 0 && pFeatLayer.MinimumScale != 0)
{
if (pDisplayTransform.ScaleRatio < pFeatLayer.MinimumScale)
{
bOutOfRange = false;
}
else
{
bOutOfRange = true;
}
}
if (pFeatLayer.MaximumScale != 0 && pFeatLayer.MinimumScale == 0)
{
if (pDisplayTransform.ScaleRatio > pFeatLayer.MaximumScale)
{
bOutOfRange = false;
}
else
{
bOutOfRange = true;
}
}
}
if (bOutOfRange == false && pFeatLayer.Selectable)
{
ClsSelectQuery.RemoveSelection(pFeatLayer);
if (pFeatLayer.Visible == true)
{
pFeatCls = pFeatLayer.FeatureClass;
pFeaLyrDefine = (IFeatureLayerDefinition)pFeatLayer;
if (pFeaLyrDefine.DefinitionSelectionSet != null || pFeaLyrDefine.DefinitionExpression != "")
{
blnSelect = true;
}
else
{
blnSelect = false;
}
pQueryResult = ClsSelectQuery.QueryByGeometry(blnSelect, pGeometry, pFeatCls, pselecttype, pFeatLayer);
if (pQueryResult != null)
{
m_pQueryResultCln.Add(pQueryResult, null, null, null);
}
}
}
}
}
}
catch (Exception)
{
return;
throw;
}
finally
{
IActiveView pActiveView;
pActiveView = (IActiveView)ClsDeclare.g_pMap;
//pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, pActiveView.Extent);
pActiveView.Refresh();
}
}