[Lazarus] Calling DrawFocusRect() outside the Paint() event
Michael Van Canneyt
michael at freepascal.org
Mon Oct 10 12:50:26 CEST 2016
On Mon, 10 Oct 2016, Mattias Gaertner via Lazarus wrote:
> On Mon, 10 Oct 2016 12:05:41 +0200 (CEST)
> Michael Van Canneyt via Lazarus <lazarus at lists.lazarus-ide.org> wrote:
>> > If you want to optimize for mini changes like the focusrect you might
>> > want to use a bitmap.
>> Please explain ?
> Draw to a bitmap and in OnPaint draw that. Similar to a TImage.
> Then you can also use aggpas.
I thought lazarus did double buffering by default, so this should be so automatically ?
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