internal void AutoDeleteLayer(string file)
{
try
{
// 获取当前文档和数据库
Document acDoc = Application.DocumentManager.Open(file, false);
Database acCurDb = acDoc.Database;
Editor ed = acDoc.Editor;
List <ObjectId> layers = new List <ObjectId>();
LayerTableRecord layer;
using (DocumentLock acLckDoc = acDoc.LockDocument())
{
using (Transaction acTrans = acCurDb.TransactionManager.StartTransaction())
{
foreach (ObjectId layerId in MethodCommand.LayersToList(acCurDb))
{
try
{
layer = acTrans.GetObject(layerId, OpenMode.ForWrite) as LayerTableRecord;
TypedValue[] filList = new TypedValue[1] {
new TypedValue((int)DxfCode.LayerName, layer.Name)
};
SelectionFilter sfilter = new SelectionFilter(filList);
PromptSelectionResult result = acDoc.Editor.SelectAll(sfilter);
if (result.Status == PromptStatus.OK)
{
SelectionSet acSSet = result.Value;
foreach (ObjectId id in acSSet.GetObjectIds())
{
try
{
Entity hatchobj = acTrans.GetObject(id, OpenMode.ForWrite) as Entity;
hatchobj.Erase(true);//删除
}
catch (Exception e)
{
System.Windows.Forms.MessageBox.Show(e.Message);
}
}
}
// 删除图层
if (layer.Name != "0")
{
layer.Erase();
}
}
catch (Exception e)
{
System.Windows.Forms.MessageBox.Show(e.Message);
}
}
acTrans.Commit();
}
}
}
catch (Exception e)
{
System.Windows.Forms.MessageBox.Show(e.Message);
}
}