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    <p>If you have a look at the source code of TCustomForm.ShowModal() you will see that the VCL does not use the Windows API call for showing modal dialogs, but that it does instead disable all other forms in the application while the modal form is shown. You can of course try the very same, just Show() the form-modal dialog, then disable the parent, then re-enable it after the form-modal dialog has been closed. There needs to be a central place where you keep track of form-modal dialogs, the forms that need to be re-enabled and so on. You should however test thoroughly whether the code does indeed what you want it to do, even when switching back and forth between applications, when minimizing the application and so on.</p> <p>Having said that - I don't think that this a good idea at all. It breaks all assumptions a Windows user makes about the behaviour of applications. Unlike in Mac OS X there is no distinction in Windows between application-modal and form-modal dialogs, and you should stick to the behaviour consistent with the platform your are programming against.</p> <p>There is most probably a better way to structure your UI. Have a look at the relevant page for <a href="http://msdn.microsoft.com/en-us/library/aa511268.aspx" rel="nofollow noreferrer">dialog boxes</a> in the "Windows User Experience Interaction Guidelines". Modal dialogs are better avoided as much as possible, the linked guidelines show better alternatives for many use cases. If you limit the use of modal dialogs, maybe you do no longer need the form-modal dialogs.</p>
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    1. PODelphi, possible to make a form modal to specific parent form only?
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    1. COIf the user has two taskbar buttons, it is perfectly within the UI guidelines that a modal dialog shown by one of those two windows does not block the other window. The fact that the two taskbar buttons are hosted by the same process is irrelevant to the user. I would actually argue that one modal dialog blocking both windows inappropriate. Anyway, Daniel links to a solution that works.
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      1. USJan Goyvaerts
 

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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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