/// <summary>
/// Launches a GeoProcDialog with Union Options for a Non-Static instance
/// </summary>
public void Union()
{
MapWinGeoProc.Dialogs.GeoProcDialog GPD = new MapWinGeoProc.Dialogs.GeoProcDialog();
string[] LayerNames = new string[m_Map.NumLayers];
int NumShapeLayers = 0;
for (int lyr = 0; lyr < m_Map.NumLayers; lyr++)
{
// Only consider Shapefile Layers for the Union operation
object ob = m_Map.get_GetObject(lyr);
if (ob.GetType() != typeof(MapWinGIS.Shapefile))
{
continue;
}
string name = m_Map.get_LayerName(lyr);
if (name != null)
{
LayerNames[lyr] = name;
}
else
{
MapWinGIS.Shapefile sf = ob as MapWinGIS.Shapefile;
LayerNames[lyr] = sf.Filename;
}
NumShapeLayers++;
}
// First Input Layer or File
MapWinGeoProc.Dialogs.LayerFileElement LF1 = GPD.Add_LayerFileElement(MapWinGeoProc.Dialogs.GeoProcDialog.ElementTypes.OpenShapefile);
LF1.Caption = "Shapefile or Shape Layer Input";
if (NumShapeLayers > 0)
{
// They can't use selected shapes unless this is a layer
LF1.LayerNames = LayerNames;
MapWinGeoProc.Dialogs.BooleanElement BE = GPD.Add_BooleanElement();
// If the name is not a layer name, then this will be disabled
LF1.LayerOnlyBoolElements.Add(BE);
BE.Text = "Use Selected Shapes";
}
// Second Input Layer or File
MapWinGeoProc.Dialogs.LayerFileElement LF2 = GPD.Add_LayerFileElement(MapWinGeoProc.Dialogs.GeoProcDialog.ElementTypes.OpenShapefile);
if (NumShapeLayers > 0)
{
// They can't use selected shapes unless this is a layer
LF2.LayerNames = LayerNames;
MapWinGeoProc.Dialogs.BooleanElement BE2 = GPD.Add_BooleanElement();
// If the name is not a layer name, then this will be disabled
LF2.LayerOnlyBoolElements.Add(BE2);
BE2.Text = "Use Selected Shapes";
}
MapWinGeoProc.Dialogs.FileElement Fout = GPD.Add_FileElement(MapWinGeoProc.Dialogs.GeoProcDialog.ElementTypes.SaveShapefile);
GPD.ShowDialog();
}