/// <summary>
/// 根据提供的shape的索引，添加到存储以选择shape的集合中
/// </summary>
/// <param name="ShapeIndex">要添加的shape的索引.</param>
/// <param name="SelectColor">不用的参数.</param>
public void AddByIndex(int ShapeIndex, System.Drawing.Color SelectColor)
{
MainProgram.SelectedShape newShp = new SelectedShape();
if (Program.frmMain.MapMain.ShapeDrawingMethod != tkShapeDrawingMethod.dmNewSymbology)
{
if (Program.frmMain.MapMain.get_ShapeVisible(Program.frmMain.Legend.SelectedLayer, ShapeIndex) != false)
{
newShp.Add(ShapeIndex, SelectColor);
AddSelectedShape(newShp);
}
}
else
{
newShp.Add(ShapeIndex, SelectColor);
AddSelectedShape(newShp);
}
newShp = null;
}
/// <summary>
/// 根据给定的shapefile、范围、容差来将选择的shape存入shapeInfo集合中
/// </summary>
internal MapWinGIS.Interfaces.SelectInfo PerformSelection(MapWinGIS.Shapefile sf, MapWinGIS.Extents bounds, double tolerance)
{
SelectInfo m_SelectedShapes = new SelectInfo(this.LegendControl.SelectedLayer);
if (m_SelectedShapes == null)
{
m_SelectedShapes = new MainProgram.SelectInfo(this.LegendControl.SelectedLayer);
}
m_SelectedShapes.ClearSelectedShapesTemp();
object arr = null;
System.Array results = null;
if (sf.SelectShapes(bounds, tolerance, m_Selectmethod, ref arr))
{
results = (System.Array)arr;
}
if (m_SelectionOperation == Interfaces.SelectionOperation.SelectNew)
{
sf.SelectNone();
}
int i;
//设置选择的shape
if (results != null && results.Length > 0)
{
int len = results.Length;
if (m_SelectionOperation == Interfaces.SelectionOperation.SelectNew)
{
for (i = 0; i < len; i++)
{
sf.ShapeSelected[((int)results.GetValue(i))] = true;
}
}
else if (m_SelectionOperation == Interfaces.SelectionOperation.SelectAdd)
{
for (i = 0; i < len; i++)
{
sf.ShapeSelected[((int)results.GetValue(i))] = true;
}
}
else if (m_SelectionOperation == Interfaces.SelectionOperation.SelectExclude)
{
for (i = 0; i < len; i++)
{
sf.ShapeSelected[((int)results.GetValue(i))] = false;
}
}
else if (m_SelectionOperation == Interfaces.SelectionOperation.SelectInvert)
{
for (i = 0; i < len; i++)
{
sf.ShapeSelected[((int)results.GetValue(i))] = !sf.ShapeSelected[((int)results.GetValue(i))];
}
}
}
else
{
if (m_SelectionOperation == Interfaces.SelectionOperation.SelectNew)
{
sf.SelectNone();
}
}
// 将选择的shape添加到shapeInfo集合中
for (i = 0; i < sf.NumShapes; i++)
{
if (sf.ShapeSelected[i])
{
SelectedShape shape = new SelectedShape();
shape.Add(i);
m_SelectedShapes.AddSelectedShape(shape);
}
}
m_selection = null;
this.Redraw();
return(m_SelectedShapes);
}