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Report From: Delphi-BCB/VCL/MDI Support [ Add a report in this area ]

Report #: 91610

Status: Reported

On Win7 : mouse click disabled on a MDIChild form with THintWindow and WindowState to wsMaximized

Project: Delphi

Build #: 2007,2010

Version: 14.0

Submitted By: Estelle Pages

Report Type: Minor failure / Design problem

Date Reported: 2/17/2011 7:52:26 AM

Severity: Serious / Highly visible problem

Last Updated: 2/22/2011 5:10:56 PM

Platform: All platforms

Internal Tracking #:

Resolution: None

Resolved in Build: : None

Duplicate of: None

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Description

The problem appears under Win7 (32bit) but not on XP (32bit).
Using Delphi2007 or 2010.

The mainform is set to MDIForm.
At mainform show :
- show and hide a simple form
- maximize a MDIChild form containing a THintWindow object
(please see attach project)

The interface seems frozen. Any mouse click is not taken into account. Only keyboard access to the form is possible.

Steps to Reproduce:

The mainform is set to MDIForm.
At mainform show :
- show and hide a simple form
- maximize a MDIChild form containing a THintWindow object
(please see attach project)

Workarounds

It seems to be the presence of the three elements (hide of form, maximize MDI chid form and THintWindow) that makes it does not works.
If one of the three elements is removed, the problem disappears.

Attachment

91610.zip

Comments

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