paweld/lazarus
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/lazarus/lazarus.git synced 2025-04-10 04:48:36 +02:00
Code Issues Packages Projects Releases Wiki Activity

Docs: LCL/controls. Updates TWinControl.PaintControls topic for changes in da0cab13. Issue #19685.

Browse Source
This commit is contained in:
dsiders 2024-06-02 21:08:44 +01:00
parent da0cab134e
commit 346b890f26
1 changed files with 13 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
docs/xml/lcl/controls.xml
View File

@ -21495,7 +21495,7 @@ TControl.
<element name="TWinControl.PaintControls">
<short>
Paints all child controls which do not have a Handle as part of their Parent.
Paints all child controls which do not have a Handle.
</short>
<descr>
<p>
@ -21503,11 +21503,17 @@ Controls which do <b>not</b> descend from <var>TWinControl</var> have no
handle of their own; they are repainted when the parent control is redrawn.
</p>
<p>
No actions are performed in the method when the device context in DC is
unassigned (0), the Handle has not been allocated for the control, or an
internal TFPList has not been created to store the child controls in the
Controls property.
No actions are performed in PaintControls for the following conditions:
</p>
<ul>
<li>The device context in DC is unassigned (0).</li>
<li>The device context in DC is a handle for a design-time window.</li>
<li>The Handle has not been allocated for the control.</li>
<li>
The internal TFPList has not been created to store child controls in the
Controls property.
</li>
</ul>
<p>
PaintControls tries to locate and paint controls (starting with the control
in First) not derived from TWinControl. When First is omitted (<b>Nil</b>) or
@ -21523,7 +21529,8 @@ parent control.
</p>
<p>
The ControlState property is updated prior to and following the paint
operation for each child control to include or exclude the csPaintCopy value.
operation for each child control to include or exclude the csPaintCopy control
state value.
</p>
<p>
PaintControls is called from the PaintHandler method, and occurs when the