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user32: Redraw children when the combo box is dropped down. 

Some applications subclass the combo box and handle WM_ERASEBKGND themselves,
without using WS_CLIPCHILDREN. This causes them to erase over the editbox
child, so it requires a refresh as well.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=22260
Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
(cherry picked from commit 0d4392077e)
Signed-off-by: Michael Stefaniuc <mstefani@winehq.org>
This commit is contained in:
Gabriel Ivăncescu 2021-11-12 18:50:02 +02:00 committed by Michael Stefaniuc
parent 9edeb764da
commit ad7c5e9ced
1 changed files with 1 additions and 2 deletions
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3
dlls/user32/combo.c
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@ -1003,8 +1003,7 @@ static void CBDropDown( LPHEADCOMBO lphc )
if( !(lphc->wState & CBF_NOREDRAW) )
RedrawWindow( lphc->self, NULL, 0, RDW_INVALIDATE |
RDW_ERASE | RDW_UPDATENOW | RDW_NOCHILDREN );
RedrawWindow( lphc->self, NULL, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW );
EnableWindow( lphc->hWndLBox, TRUE );
if (GetCapture() != lphc->self)