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Thread: TOvcTable alternative for FireUI


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Permlink Replies: 1 - Last Post: Apr 7, 2016 11:15 AM Last Post By: Lajos Juhasz
Michael Leahy

Posts: 239
Registered: 5/9/07
TOvcTable alternative for FireUI  
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  Posted: Apr 7, 2016 6:22 AM
TurboPower's TOvcTable allows my legacy VCL app to display a list of millions of items that otherwise wouldn't be possible due to memory constraints. It does this with a hook to myGridGetCellData() where I can set the values of the cells as needed.

Is there a way to make FireUI's TStringGrid show millions of items by allowing my code to get the data for each cell as the user scrolls to it?
Lajos Juhasz

Posts: 801
Registered: 3/14/14
Re: TOvcTable alternative for FireUI
Correct
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  Posted: Apr 7, 2016 11:15 AM   in response to: Michael Leahy in response to: Michael Leahy
Michael Leahy wrote:

TurboPower's TOvcTable allows my legacy VCL app to display a list of
millions of items that otherwise wouldn't be possible due to memory
constraints. It does this with a hook to myGridGetCellData() where I
can set the values of the cells as needed.

Is there a way to make FireUI's TStringGrid show millions of items by
allowing my code to get the data for each cell as the user scrolls to
it?

For this task you could use TGrid. In Rowcount set the number of rows
and draw your data using the OnDrawColumnCell event.
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