How to speed up autosize?
lazarus / 10-Designer

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stem · 2020-02-04 22:07

Hi,

I have applied many of the rules of
https://wiki.lazarus.freepascal.org/Autosize_/_Layout. My application
now looks great with different operating systems (Windows 10, Linux
Mint Xfce), with different DPI values and adapts to translated po
files.

My problem: I have a resizable form with a very complex layout.
Resizing the form at runtime is noticeably slower than once when the
rules were not applied, especially on Windows.

Is there a way to speed up the calculation of the LCL layout? Is it
useful, for example, to set MinHeight and MinWidth (constraints) for
each component?

Thank you!

stem

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ps · 2020-04-17 21:18

You have too many (10+ lol...) TWinControl on form and trying resizing
width or height ... It's really crazy in 2020. Internet browsers
resize 10000+ controls with no lag because there is no WinControls
(only one main form)  ... but resizing 10+ native WinControls lags ass
hell ...

LCL layout engine is fast. You can resize 1000+ non TWinControls with
it (eg. TShape, TLabel , ...etc. ).

Try to eliminate all TWinControl based controls ...