/// <summary>
/// 从集合中移除指定的shape，通过shape在地图中的实际索引移除
/// </summary>
/// <param name="ShapeIndex">shape的索引</param>
public void RemoveByShapeIndex(int ShapeIndex)
{
int i;
int j;
MainProgram.SelectedShape tShp;
if (Program.frmMain.MapMain == null)
{
return;
}
for (i = 0; i < m_Shapes.Length; i++)
{
if (m_Shapes[i].ShapeIndex == ShapeIndex) //找到该shapIndex的对象
{
tShp = m_Shapes[i];
if (Program.frmMain.MapMain.ShapeDrawingMethod != MapWinGIS.tkShapeDrawingMethod.dmNewSymbology)
{
Program.frmMain.MapMain.LockWindow(MapWinGIS.tkLockMode.lmLock);
try
{
Program.frmMain.MapMain.set_ShapePointColor(m_LayerHandle, ShapeIndex, tShp.OriginalColor);
Program.frmMain.MapMain.set_ShapeLineColor(m_LayerHandle, ShapeIndex, tShp.OriginalOutlineColor);
Program.frmMain.MapMain.set_ShapeFillColor(m_LayerHandle, ShapeIndex, tShp.OriginalColor);
Program.frmMain.MapMain.set_ShapeDrawFill(m_LayerHandle, ShapeIndex, tShp.OriginalDrawFill);
if (Program.projInfo.TransparentSelection)
{
Program.frmMain.MapMain.set_ShapeFillTransparency(m_LayerHandle, ShapeIndex, tShp.OriginalTransparency);
}
}
finally
{
Program.frmMain.MapMain.LockWindow(MapWinGIS.tkLockMode.lmUnlock);
}
}
else
{
// 新版中ocx会自己选择合适的颜色
MainProgram.Layer layer = (MainProgram.Layer)Program.frmMain.Layers[m_LayerHandle];
if (layer != null)
{
MapWinGIS.Shapefile sf;
sf = (MapWinGIS.Shapefile)(layer.GetObject());
if (sf != null)
{
sf.ShapeSelected[ShapeIndex] = false;
}
}
}
for (j = i; j <= m_NumSelected - 2; j++)
{
m_Shapes[j] = m_Shapes[j + 1];
}
m_Shapes[m_NumSelected - 1] = null;
m_NumSelected--;
if (m_NumSelected == 0)
{
m_Shapes = null;
}
else
{
Array.Resize(ref m_Shapes, m_NumSelected);
}
tShp = null;
return; //所有的操作完成，直接返回
}
}
}
/// <summary>
/// 从集合中移除指定索引的shape，通过shape存储在集合中的索引删除
/// </summary>
/// <param name="ListIndex">要移除的shape的集中对应的索引</param>
public void RemoveSelectedShape(int ListIndex)
{
int i;
MainProgram.SelectedShape tShp;
int mapIndex;
int mapHandle;
if (Program.frmMain.MapMain == null)
{
return;
}
mapHandle = m_LayerHandle;
if (ListIndex >= 0 && ListIndex < m_NumSelected)
{
Program.frmMain.MapMain.LockWindow(MapWinGIS.tkLockMode.lmLock);
try
{
tShp = m_Shapes[ListIndex];
mapIndex = tShp.ShapeIndex;
if (Program.frmMain.MapMain.ShapeDrawingMethod != MapWinGIS.tkShapeDrawingMethod.dmNewSymbology)
{
Program.frmMain.MapMain.set_ShapePointColor(mapHandle, mapIndex, tShp.OriginalColor);
Program.frmMain.MapMain.set_ShapeLineColor(mapHandle, mapIndex, tShp.OriginalOutlineColor);
Program.frmMain.MapMain.set_ShapeFillColor(mapHandle, mapIndex, tShp.OriginalColor);
Program.frmMain.MapMain.set_ShapeDrawFill(mapHandle, mapIndex, tShp.OriginalDrawFill);
if (Program.projInfo.TransparentSelection)
{
Program.frmMain.MapMain.set_ShapeFillTransparency(mapHandle, mapIndex, tShp.OriginalTransparency);
}
}
else
{
MainProgram.Layer layer = (MainProgram.Layer)Program.frmMain.Layers[m_LayerHandle];
if (layer != null)
{
MapWinGIS.Shapefile sf;
sf = (MapWinGIS.Shapefile)(layer.GetObject());
if (sf != null)
{
tShp = m_Shapes[ListIndex];
mapIndex = tShp.ShapeIndex;
sf.ShapeSelected[mapIndex] = false;
}
}
}
tShp = null;
for (i = ListIndex; i < m_NumSelected - 1; i++) //移除并整理数组
{
m_Shapes[i] = m_Shapes[i + 1];
}
m_Shapes[m_NumSelected - 1] = null;
m_NumSelected--;
if (m_NumSelected == 0)
{
m_Shapes = null;
}
else
{
Array.Resize(ref m_Shapes, m_NumSelected);
}
}
finally
{
Program.frmMain.MapMain.LockWindow(MapWinGIS.tkLockMode.lmUnlock);
}
}
else
{
Program.g_error = "RemoveSelectedShape: 无效的索引";
}
}