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Revert "Docs: LCL/comctrls. Updates TCustomTabControl topics for changes in db41ce26."

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This reverts commit 60dda96b3ecf629db6a0b80da8b56a556d670151.
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dsiders 2024-05-21 05:31:21 +01:00
parent 7e234e47ec
commit 583a83f3a8
1 changed files with 17 additions and 25 deletions
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docs/xml/lcl/comctrls.xml
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@ -3644,15 +3644,16 @@ Performs actions to show or hide pages when the current page is changed.
pages in the tabbed control.
</p>
<p>
Change causes the TCustomPage instance in Page stored at the position in
PageIndex to become visible, and hides the previously visible page on the
tabbed control. If a control was focused on the previous page, the new page is
focused prior to hiding the previous page.
Change causes the TCustomPage instance in Page at the position in PageIndex to
become visible, and hides the previously visible page on the tabbed control. If
a control was focused on the previous page, the new page is focused prior to
hiding the previous page.
</p>
<p>
At run-time, MaybeSelectFirstControlOnPage is called when a page instance is
active for the control; it selects the focused control for the ActivePage.
DoChange is called to signal the OnChange event handler (when assigned).
At run-time, MaybeSelectFirstControlOnPage is called when the active page
component is visible, enabled, and has child controls. It selects the focused
control for the ActivePage. DoChange is called to signal the OnChange event
handler (when assigned).
</p>
<p>
Change is called from the MoveTab method, and when selection change messages
@ -3803,8 +3804,7 @@ Handles an accelerator key for the active page in the tabbed control.
<element name="TCustomTabControl.InternalSetPageIndex">
<short>
Updates the internal page index (when assigned) without triggering an OnChange
event.
Updates the internal page index without triggering an OnChange event.
</short>
<descr/>
<seealso/>
@ -4203,14 +4203,10 @@ active.
<p>
<var>MaybeSelectFirstControlOnPage</var> is a method used to ensure that the
active control on a form is properly updated when the page on the tab control
is changed. It prevents the tabbed control from stealing focus if the active
control on the parent form is not the tabbed control or one of its child
controls.
</p>
<p>
<var>APage</var> is used to find the next control in the tab order for the
page. If a control is found, it is assigned as the ActiveControl on the parent
form.
is changed. It prevents the tabbed control from stealing focus if there is an
enabled child control on the page specified in <var>APage</var>. It sets the
ActiveControl property on the parent form to the first child control in APage
(when available).
</p>
<p>
No actions are performed in the method if any of the following conditions are
@ -4234,16 +4230,12 @@ APage does not have any child controls.
</li>
</ul>
<p>
MaybeSelectFirstControlOnPage is called from the Change method, and occurs
when a new value is assigned to the TabIndex property. It occurs after the
current Page on the tab control has been made visible and given focus. It is
called before the OnChange event handler is signalled.
MaybeSelectFirstControlOnPage is called from the Change method, and when a new
value is assigned to the TabIndex property. It occurs after the current Page on
the tab control has been made visible and given focus. It is called before the
OnChange event handler is signalled.
</p>
</descr>
<errors>
Raises an EAssertionFailed exception if a value has not been assigned to the
APage argument.
</errors>
<version>
Added in LCL version 4.0.
</version>