public override void OnClick()
{
try
{
IGeometry geometry = null;
if (this._context.FocusMap.SelectionCount >= 1)
{
IEnumFeature enumFeature = this._context.FocusMap.FeatureSelection as IEnumFeature;
enumFeature.Reset();
IFeature feature = enumFeature.Next();
ITopologicalOperator topologicalOperator = null;
while (feature != null)
{
if (feature.Shape.GeometryType == esriGeometryType.esriGeometryPolygon)
{
if (topologicalOperator == null)
{
topologicalOperator = (feature.ShapeCopy as ITopologicalOperator);
}
else
{
topologicalOperator = (topologicalOperator.Union(feature.Shape) as ITopologicalOperator);
topologicalOperator.Simplify();
}
}
feature = enumFeature.Next();
}
geometry = (topologicalOperator as IGeometry);
}
else
{
ITopologicalOperator topologicalOperator = null;
IGraphicsContainer graphicsContainer = this._context.FocusMap as IGraphicsContainer;
graphicsContainer.Reset();
IElement element = graphicsContainer.Next();
if (element != null)
{
if (element is IPolygonElement)
{
if (topologicalOperator == null)
{
topologicalOperator = (element.Geometry as ITopologicalOperator);
}
else
{
topologicalOperator =
(topologicalOperator.Union(element.Geometry) as ITopologicalOperator);
topologicalOperator.Simplify();
}
}
element = graphicsContainer.Next();
}
geometry = (topologicalOperator as IGeometry);
}
if (geometry == null && this._context.Hook is IApplication)
{
geometry = (this._context.Hook as IApplication).BufferGeometry;
}
if (geometry != null && !geometry.IsEmpty)
{
geometry.SpatialReference = this._context.FocusMap.SpatialReference;
int num = this._subType;
if (num != 0)
{
string str = System.IO.Path.GetTempPath() + "TempPersonGDB";
int num2 = 1;
string path = str + ".mdb";
while (File.Exists(path))
{
try
{
File.Delete(path);
break;
}
catch
{
}
num2++;
path = str + " (" + num2.ToString() + ").mdb";
}
IWorkspaceFactory workspaceFactory = new AccessWorkspaceFactory();
IWorkspaceName iworkspaceName_ = workspaceFactory.Create(System.IO.Path.GetDirectoryName(path),
System.IO.Path.GetFileNameWithoutExtension(path), null, 0);
IMap imap_ = new Map();
Clip.ClipMapByRegion(iworkspaceName_, this._context.FocusMap, geometry, imap_);
new FormPrinterSetup();
CMapPrinter cMapPrinter;
if (this._context.Hook is IApplication)
{
cMapPrinter = new CMapPrinter(imap_, ApplicationBase.StyleGallery);
}
else
{
cMapPrinter = new CMapPrinter(imap_);
}
cMapPrinter.showPrintUI("打印地图");
}
else
{
new frmDir
{
FocusMap = this._context.FocusMap,
ClipGeometry = geometry
}.ShowDialog();
}
}
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message);
}
}