[TAZ]

Discovered this on my application and your demo. I will use your demo in my findings.

If you set “Extended Borders” to false and “Blend On Moving” to true (see image #1) and grab the form header the application disappears with the exception of the “Sample” logo (see image #2). The background is my desktop.

As long as you hold down the left mouse button you can see the “Sample” logo being dragged around.

When you let up on the left mouse button the application reappears. However, the application is now frozen and you cannot give it focus.

You can only shutdown the application normally from the right mouse click taskbar icon.

There are some other strange things occurring. If you right mouse click on the application, you see the desktop popup and not the application popup. It is like the whole application has gone into full stealth mode.

Last thing. I thought it might be the watermark but I do not have the watermark on my application.

It will be interesting to see what caused this.

Thanks.

[TAZ]

I ran older version of my application (middle of June compile date) and set the skin manager to the settings I mentioned. There were no problems.

[Support]

HelloASkinDemo.exe has been recompiled by you? Or this issue exists in original Exe-file?What version number of your Windows and Delphi?

[TAZ]

The compile date of your demo is 7/16/2018 5:59 PM. I downloaded it again and placed a second copy in another folder. Same date and time. And same behavior, it disappears.

I have Windows 7 Ultimate, Service Pack 1, 64-bit edition. I keep up to date with Windows updates. I have the latest version of Delphi. 10.2.3 Tokyo.

I wished I had saved the previous demos that I have downloaded but I regularly clean out my downloads folder.

'Support' wrote:

HelloASkinDemo.exe has been recompiled by you? Or this issue exists in original Exe-file?What version number of your Windows and Delphi?

[TAZ]

I built a simple exe (attached). Loaded it on another Windows 7 machine and a Windows 10 machine. Same result. Windows 10 was slightly different but it still disappeared when you set Blend On Moving to true and Extended Borders to false.

[TAZ]

I put a very short video on my YouTube channel showing the problem.

https://youtu.be/pVILl2zIS6o

[Support]

Thank you, I will research it.

[HeDiBo]

I noticed a similar behavior.

I had no idea it had anything to do with blend on moving. So, thank you for finding this.

[TAZ]

Thank you, HeDiBo.

I do not feel so much like I am on an island now. It was just blind luck that I stumbled onto this.

[Support]

I see it now, this issue will be solved very soon, in the nearest release.

[TAZ]

Thanks.

[TAZ]

It looks fixed. Thanks.

[Author]

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