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Essential Objects Browser inside DevExpress WPF Floating window Options
Scot
Posted: Thursday, August 9, 2018 11:13:19 AM
Rank: Newbie
Groups: Member

Joined: 8/9/2018
Posts: 2
Support,
I am using the EO Browser within a DevExpress LayoutPanel. If the panel is docked, I see the browser contents.
If I float the window using the DevExpress DocLayoutManager Float groups, the browser content is opaque.
The content is there as I can mouse over it and see Tootips and other interactions, but I cannot see the actual content.
I have tried setting the DevExpress backgrounds to Transparent and any other settings I can think of using WPF Inspector.
Any thought on what may be causing the issue?
Thank you,
Scot
eo_support
Posted: Thursday, August 9, 2018 5:27:16 PM
Rank: Administration
Groups: Administration

Joined: 5/27/2007
Posts: 20,821
Hi,

Please check with DevExpress to make sure that their float window is a regular window, not a layered window. Layered window is a Windows feature that is primarily used to support transparency on window level (for example, in WPF if you set the root Window's AllowsTransparency to true then it would turn the root window to a layered window). Here is some information about layered window:

https://msdn.microsoft.com/en-us/library/ms997507.aspx

The Chromium browser engine does not support layered windows as root window and it appears this is the issue that you are running into. So you can see if there is a way to turn that off.

Thanks!
Scot
Posted: Tuesday, August 14, 2018 11:15:32 AM
Rank: Newbie
Groups: Member

Joined: 8/9/2018
Posts: 2
I checked with DevExpress and they provided a resolution.
Setting the DockLayoutManager EnableWin32Compatibility to true fixes the issue.
eo_support
Posted: Tuesday, August 14, 2018 4:35:27 PM
Rank: Administration
Groups: Administration

Joined: 5/27/2007
Posts: 20,821
Great. Thanks for sharing!


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