[Lazarus] TForm.OnChangeBounds - Windows vs Linux-Qt

[Mattias Gaertner]

On Thu, 29 Jun 2017 15:45:38 +0200
Gabor Boros via Lazarus <lazarus at lists.lazarus-ide.org> wrote:

> Hi All,
> 
> Form's OnChangeBounds event fired in different time and number on these 
> platforms. Attached a simple example. On Windows the event firing 
> meanwhile form moving and with Linux-Qt just when the moving ended. At a 
> form maximize or restore with Linux-Qt the event fired twice.
> 
> Where these come form? Simple platform difference or bug?

Platform differences. Windows has an option for that:
Search for 'Show window contents while dragging' option.

Most Linux window managers have that too.

Mattias