public Identify(ILayer layer, IPoint position, IRow row, IRasterIdentifyObj pixel, Language lang)
{
InitializeComponent();
if (lang == Language.English)
{
this.Text = "Identify";
label2.Text = "Layer";
label1.Text = "Position";
}
rtbAttribute.ReadOnly = true;
txtLayer.ReadOnly = true;
txtPosition.ReadOnly = true;
txtPosition.Text = position.X + "," + position.Y;
if (layer is IFeatureLayer)
{
if (lang == Language.Chinese)
{
txtLayer.Text = layer.Name + "（矢量图层）";
}
else if (lang == Language.English)
{
txtLayer.Text = layer.Name + "(Feature Layer)";
}
IFeatureLayer featureLayer = layer as IFeatureLayer;
IFeatureClass feature = featureLayer.FeatureClass;
int shpIndex = feature.FindField(feature.ShapeFieldName);
string shpType = feature.ShapeType.ToString().Substring(12);
if (lang == Language.Chinese)
{
switch (shpType)
{
case "Point":
shpType = "点";
break;
case "Polyline":
shpType = "线";
break;
case "Polygon":
shpType = "面";
break;
}
}
for (int i = 0; i < row.Fields.FieldCount; i++)
{
if (i == shpIndex)
{
rtbAttribute.AppendText(feature.Fields.get_Field(i).Name + "*：" + shpType + "\n");
}
else
{
rtbAttribute.AppendText(row.Fields.get_Field(i).Name + "：" + row.get_Value(i).ToString() + "\n");
}
}
}
else if (layer is IRasterLayer)
{
if (lang == Language.Chinese)
{
txtLayer.Text = layer.Name + "（栅格图层）";
}
else if (lang == Language.English)
{
txtLayer.Text = layer.Name + "(Raster Layer)";
}
string[] values = new string[1];
if (pixel.MapTip.Contains(","))
{
values = pixel.MapTip.Split(',');
}
else
{
values[0] = pixel.MapTip;
}
for (int i = 0; i < values.Length; i++)
{
if (i != 0)
{
if (values[i].Contains("="))
{
rtbAttribute.AppendText(values[i].Replace('=', '：').Substring(1) + "\n");
}
else
{
rtbAttribute.AppendText(values[i] + "\n");
}
}
else
{
if (values[i].Contains("="))
{
rtbAttribute.AppendText(values[i].Replace('=', '：') + "\n");
}
else
{
rtbAttribute.AppendText(values[i] + "\n");
}
}
}
}
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
if (Button == 1)
{
List <ILayer> layers = EngineAPI.GetLayers(this.m_hookHelper.FocusMap, "{6CA416B1-E160-11D2-9F4E-00C04F6BC78E}", null);
if (layers.Count == 0)
{
IdentifyManager.instance.FrmIdentify.Close();
IdentifyManager.instance.FrmIdentify = null;
EnviVars.instance.MapControl.CurrentTool = null;
EnviVars.instance.MapControl.MousePointer = esriControlsMousePointer.esriPointerDefault;
}
else
{
foreach (ILayer current in layers)
{
IIdentify identify = current as IIdentify;
IPoint point = this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
IArray array = identify.Identify(point);
if (array != null && array.Count != 0)
{
IdentifyManager.instance.FrmIdentify.treeList1.ClearNodes();
IIdentifyObj identifyObj = array.get_Element(0) as IIdentifyObj;
identifyObj.Flash(this.m_hookHelper.ActiveView.ScreenDisplay);
TreeListNode treeListNode = IdentifyManager.instance.FrmIdentify.treeList1.AppendNode(new object[]
{
identifyObj.Layer.Name
}, 0, identifyObj);
DataColumn column = new DataColumn("字段", typeof(string));
DataColumn column2 = new DataColumn("值", typeof(string));
DataTable dataTable = new DataTable();
dataTable.Columns.Add(column);
dataTable.Columns.Add(column2);
if (current is IFeatureLayer)
{
IFeature feature = (identifyObj as IRowIdentifyObject).Row as IFeature;
TreeListNode treeListNode2 = IdentifyManager.instance.FrmIdentify.treeList1.AppendNode(new object[]
{
feature.OID.ToString()
}, treeListNode);
int num = feature.Fields.FindField((current as IFeatureLayer).FeatureClass.ShapeFieldName);
for (int i = 0; i < feature.Fields.FieldCount; i++)
{
if (num != i)
{
DataRow dataRow = dataTable.NewRow();
dataRow["字段"] = feature.Fields.get_Field(i).AliasName;
dataRow["值"] = feature.get_Value(i).ToString();
dataTable.Rows.Add(dataRow);
}
}
treeListNode2.Tag = dataTable;
}
else if (current is IRasterLayer)
{
IRasterLayer rasterLayer = current as IRasterLayer;
IRaster2 raster = rasterLayer.Raster as IRaster2;
int num2 = raster.ToPixelRow(point.Y);
int num3 = raster.ToPixelColumn(point.X);
double num4 = CommonAPI.ConvertToDouble(raster.GetPixelValue(0, num3, num2));
this.AddRow(dataTable, "像素值", num4);
this.AddRow(dataTable, "行号", num2);
this.AddRow(dataTable, "列号", num3);
IRasterIdentifyObj rasterIdentifyObj = array.get_Element(0) as IRasterIdentifyObj;
if (rasterLayer.BandCount != 1)
{
Regex regex = new Regex("\\d{2,3}");
MatchCollection matchCollection = regex.Matches(rasterIdentifyObj.MapTip);
if (matchCollection.Count == 3)
{
this.AddRow(dataTable, "R", matchCollection[0].Value);
this.AddRow(dataTable, "G", matchCollection[1].Value);
this.AddRow(dataTable, "B", matchCollection[2].Value);
}
}
IdentifyManager.instance.FrmIdentify.treeList1.AppendNode(new object[]
{
rasterIdentifyObj.Name
}, treeListNode, dataTable);
}
IdentifyManager.instance.FrmIdentify.UpdateStatusText(string.Format("X:{0:0.000 },Y:{1:0.000}", point.X, point.Y));
IdentifyManager.instance.FrmIdentify.treeList1.ExpandAll();
if (treeListNode.Nodes.Count > 0)
{
IdentifyManager.instance.FrmIdentify.treeList1.FocusedNode = treeListNode.Nodes[0];
}
IdentifyManager.instance.FrmIdentify.Show();
break;
}
IdentifyManager.instance.FrmIdentify.Close();
IdentifyManager.instance.FrmIdentify = null;
}
}
}
}