/// <summary>
/// 给图层设置唯一值渲染
/// </summary>
/// <param name="layer"></param>
/// <param name="renderFieldName"></param>
public MapObjects2.ValueMapRenderer GetUniqueValueRender(MapObjects2.MapLayer layer, string renderFieldName)
{
MapObjects2.ValueMapRenderer oValueMapRender = new MapObjects2.ValueMapRendererClass();
MapObjects2.Recordset oRecords = layer.Records;
MapObjects2.Strings oStrings = new StringsClass();
if (layer.shapeType == ShapeTypeConstants.moShapeTypePoint)
{
oValueMapRender.SymbolType = SymbolTypeConstants.moPointSymbol;
}
else if (layer.shapeType == ShapeTypeConstants.moShapeTypeLine)
{
oValueMapRender.SymbolType = SymbolTypeConstants.moLineSymbol;
}
else if (layer.shapeType == ShapeTypeConstants.moShapeTypePolygon)
{
oValueMapRender.SymbolType = SymbolTypeConstants.moFillSymbol;
}
oValueMapRender.Field = renderFieldName;
oStrings.Unique = true;
oRecords.MoveFirst();
while (!oRecords.EOF)
{
oStrings.Add(oRecords.Fields.Item(renderFieldName).ValueAsString);
oRecords.MoveNext();
}
oValueMapRender.ValueCount = oStrings.Count;
for (short i = 0; i < oStrings.Count; i++)
{
oValueMapRender.set_Value(i, oStrings.Item(i));
}
return(oValueMapRender);
}
/// <summary>
/// ��ͼ������Ψһֵ��Ⱦ
/// </summary>
/// <param name="layer"></param>
/// <param name="renderFieldName"></param>
public MapObjects2.ValueMapRenderer GetUniqueValueRender(MapObjects2.MapLayer layer, string renderFieldName)
{
MapObjects2.ValueMapRenderer oValueMapRender = new MapObjects2.ValueMapRendererClass();
MapObjects2.Recordset oRecords = layer.Records;
MapObjects2.Strings oStrings = new StringsClass();
if (layer.shapeType == ShapeTypeConstants.moShapeTypePoint)
oValueMapRender.SymbolType = SymbolTypeConstants.moPointSymbol;
else if (layer.shapeType == ShapeTypeConstants.moShapeTypeLine)
oValueMapRender.SymbolType = SymbolTypeConstants.moLineSymbol;
else if (layer.shapeType == ShapeTypeConstants.moShapeTypePolygon)
oValueMapRender.SymbolType = SymbolTypeConstants.moFillSymbol;
oValueMapRender.Field = renderFieldName;
oStrings.Unique = true;
oRecords.MoveFirst();
while (!oRecords.EOF)
{
oStrings.Add(oRecords.Fields.Item(renderFieldName).ValueAsString);
oRecords.MoveNext();
}
oValueMapRender.ValueCount = oStrings.Count;
for (short i = 0; i < oStrings.Count; i++) oValueMapRender.set_Value(i, oStrings.Item(i));
return oValueMapRender;
}
