U++ framework: TreeCtrl » hierarchical tree data structure & binding to TreeCtrl

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Re: hierarchical tree data structure & binding to TreeCtrl [message #12823 is a reply to message #12821]

Mon, 19 November 2007 15:23

unodgs
Messages: 1367
Registered: November 2005
Location: Poland

Ultimate Contributor

I agree that TreeCtrl should support "virtual leafs". This and all kinds of grids are the most often used widgets to display large amount of data. That remainds me to add virtual mode to GridCtrl Smile

. Anyway this work mode can be problematic. For example - it's hard to implement "virtual rows" with resizeable heights. I tested many grids and everywhere row has fixed height Smile

. It's also hard to estimate scrollbar height. It must be updated durign fetching rows from database (as we don't know in most cases how many rows are there to fetch). I sometimes think it's better to used paging or better search criteria than virtual mode.

[Updated on: Mon, 19 November 2007 15:25]

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[Message index]

		hierarchical tree data structure & binding to TreeCtrl By: solareclectic on Thu, 01 November 2007 08:35
		Re: hierarchical tree data structure & binding to TreeCtrl By: mirek on Sun, 11 November 2007 23:38
		Re: hierarchical tree data structure & binding to TreeCtrl By: Novo on Mon, 12 November 2007 20:56
		Re: hierarchical tree data structure & binding to TreeCtrl By: mirek on Thu, 15 November 2007 05:46
		Re: hierarchical tree data structure & binding to TreeCtrl By: unodgs on Thu, 15 November 2007 08:27
		Re: hierarchical tree data structure & binding to TreeCtrl By: Novo on Mon, 19 November 2007 15:10
		Re: hierarchical tree data structure & binding to TreeCtrl By: unodgs on Mon, 19 November 2007 15:23
		Re: hierarchical tree data structure & binding to TreeCtrl By: Novo on Mon, 19 November 2007 15:34
		Re: hierarchical tree data structure & binding to TreeCtrl By: solareclectic on Thu, 15 November 2007 03:02

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