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鸽子
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849天前ElementSet collection = m_doc.Selection.Elements; |
// check user selection |
if (collection.Size < 1) |
{ |
MessageBox.Show("Please select an object to delete.", "DeleteObject"); |
return; |
} |
bool error = true; |
try |
{ |
error = true; |
// delete selection |
IEnumerator e = collection.GetEnumerator(); |
bool MoreValue = e.MoveNext(); |
while (MoreValue) |
{ |
Element component = e.Current as Element; |
m_doc.Document.Delete(component); |
MoreValue = e.MoveNext(); |
} |
error = false; |
} |
catch |
{ |
// if revit threw an exception, try to catch it |
foreach (Element c in collection) |
{ |
m_doc.Selection.Elements.Insert(c); |
} |
MessageBox.Show("Element(s) can't be deleted.", "DeleteObject"); |
return; |
} |
finally |
{ |
// if revit threw an exception, display error and return failed |
if (error) |
{ |
MessageBox.Show("Deletion failed."); |
} |
} |
