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Aaron
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To SaveToStream or Not To
Apr 21st, 2006 at 8:50pm
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In your opinion is it better to save the structure of the diagram with SaveToStream, then later reload the diagram with LoadFromStream.....OR is it better to store the individual properties of each object in a databse then rebuild through ADO.NET?

If I sub-classed the BOX class and added some properties will those properties be restored after LoadingFromStream is finished?
  
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Stoyo
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Re: To SaveToStream or Not To
Reply #1 - Apr 24th, 2006 at 7:51am
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If you do not need to read the properties of flowchart items directly from the database, then by all means use SaveToStream, it will much easier than implementing database input/output yourself. By the way we are going to add intrinsic support for data binding in the following month, so you might wait for that version if you don't need it urgently.
  
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Stoyo
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Re: To SaveToStream or Not To
Reply #2 - Apr 24th, 2006 at 7:53am
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You can use the box.Tag to store your additional properties there. They will be saved and loaded automatically, as long as your tag class supports the .NET ISerializable interface.
  
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Re: To SaveToStream or Not To
Reply #3 - Apr 27th, 2006 at 4:59pm
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Stoyo,

Is it possible just to save the size of the chart and the location of each tables in the chart in to a file and when i open the file back up and to recreate the chart with the saved size and then create each table and move the tables to the previously saved location.   I am sure it should be possible.  Do you know which properties and functions should I be using?
  
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Stoyo
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Re: To SaveToStream or Not To
Reply #4 - Apr 27th, 2006 at 5:43pm
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If you need to save only the location of tables, then use their BoundingRect property to find out the table coordinates. You can restore the location of a table by assigning to its BoundingRect:

aTable.BoundingRect = new RectangleF(x, y, w, h);

Stoyan
  
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