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July 24, 2008
Gravatar of kenshiro55Posted by kenshiro55Reply
kenshiro55
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I tried to use window transparency so I have this code:

Shell shell = new Shell(DWT.SHELL_TRIM);
shell.setVisible(true);
shell.setAlpha(100);

But I have this error: object.Exception: Access Violation.

I searched the cause and it crashed at this line in Shell.setAlpha:
OS.SetLayeredWindowAttributes (handle, 0, cast(byte)alpha, OS.LWA_ALPHA);

Is it a bug or my environment ?

Tested with dmd 1.0.28, winxp sp2, tango 0.99.6 and dwt-win 2008-07-21.
July 24, 2008
Gravatar of Frank BenoitPosted by Frank Benoit
in reply to kenshiro55		Reply
Frank Benoit
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kenshiro55 schrieb:
> I tried to use window transparency so I have this code:
> 
> Shell shell = new Shell(DWT.SHELL_TRIM);
> shell.setVisible(true);
> shell.setAlpha(100);
> 
> But I have this error: object.Exception: Access Violation.
> 
> I searched the cause and it crashed at this line in Shell.setAlpha:
> OS.SetLayeredWindowAttributes (handle, 0, cast(byte)alpha, OS.LWA_ALPHA);
> 
> Is it a bug or my environment ?
> 
> Tested with dmd 1.0.28, winxp sp2, tango 0.99.6 and dwt-win 2008-07-21.

Fixed. Thanks for the report.