Created
August 3, 2015 15:16
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Xojo example code for backing up a folder.
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| Sub Backup(source as FolderItem, destination as FolderItem) | |
| if source is nil then | |
| dim e as new NilObjectException | |
| e.Message = "Backup failed. source is nil." | |
| raise e | |
| end if | |
| if destination is nil then | |
| dim e as new NilObjectException | |
| e.Message = "Backup failed. destination is nil." | |
| raise e | |
| end if | |
| if destination.Exists then | |
| dim e as new RuntimeException | |
| e.Message = "Backup failed. destination directory already exists." | |
| raise e | |
| end if | |
| destination.CreateAsFolder | |
| if not destination.Directory then | |
| dim e as new RuntimeException | |
| e.Message = "Backup failed. Unable to create destination directory." | |
| raise e | |
| end if | |
| dim items() as FolderItem | |
| dim count as Integer = source.Count | |
| for i as Integer = 1 to count | |
| dim item as FolderItem = source.TrueItem(i) | |
| if item <> nil then | |
| items.Append(item) | |
| end if | |
| next | |
| for each item as FolderItem in items | |
| if item.Directory then | |
| dim itemDest as FolderItem = destination.TrueChild(item.Name) | |
| Backup(item, itemDest) | |
| else | |
| item.CopyFileTo(destination) | |
| dim errorCode as Integer = item.LastErrorCode | |
| if errorCode <> 0 then | |
| dim e as new RuntimeException | |
| e.Message = "Backup failed. Copy " + item.NativePath + " failed with error " + Str(errorCode) + "." | |
| end if | |
| end if | |
| next | |
| End Sub |
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