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Normal Topic Scroll in a TableNode (Read 2764 times)
vtortola
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Scroll in a TableNode
Mar 26th, 2009 at 3:48pm
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Hi,

I love the scroll buttons in the TableNodes, but how can I now when a TableNode has more rows than shown ?? I mean, know when there are hidden rows and you need scroll to see them.

Would be nice have something similar to "TableNode.CurrentScrollRow" but  "TableNode.CurrentShownRows" that returns the amount of shown rows in that moment, so you could compare with the total.

Cheers.
  
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Stoyo
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Re: Scroll in a TableNode
Reply #1 - Mar 27th, 2009 at 7:34am
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Hi,

At this time you could use CellFromPoint to find the index of the last visible row. Pass the lower-left point of the table as the first argument.

I hope that helps,
Stoyan
  
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vtortola
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Re: Scroll in a TableNode
Reply #2 - Mar 30th, 2009 at 11:45am
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Great, thanks.
  
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vtortola
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Re: Scroll in a TableNode
Reply #3 - Apr 7th, 2009 at 11:16am
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CellFromPoint returns a cell, but with a cell object there is no way to know to which row belongs.

So, how could I ensure that all rows in a TableNode are shown?

Cheer.s
  
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Stoyo
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Re: Scroll in a TableNode
Reply #4 - Apr 7th, 2009 at 2:42pm
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Use this overloaded method:

public bool CellFromPoint (
    Point point,
    bool isDiagramCoordinate,
    ref int row,
    ref int col
)

I hope that helps,
Stoyan
  
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