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user32: Fix refcounting of window DCEs. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2016-05-21 09:54:01 +09:00
parent e36a7e5da4
commit 5f7e4ce642
1 changed files with 2 additions and 7 deletions
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9
dlls/user32/painting.c
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@ -311,7 +311,6 @@ static struct dce *get_window_dce( HWND hwnd )
{ {
win->dce = dce; win->dce = dce;
dce->hwnd = hwnd; dce->hwnd = hwnd;
dce->count++;
list_add_tail( &dce_list, &dce->entry ); list_add_tail( &dce_list, &dce->entry );
} }
WIN_ReleasePtr( win ); WIN_ReleasePtr( win );
@ -501,14 +500,10 @@ static BOOL CALLBACK dc_hook( HDC hDC, WORD code, DWORD_PTR data, LPARAM lParam
WARN("DC is not in use!\n"); WARN("DC is not in use!\n");
break; break;
case DCHC_DELETEDC: case DCHC_DELETEDC:
/*
* Windows will not let you delete a DC that is busy
* (between GetDC and ReleaseDC)
*/
USER_Lock(); USER_Lock();
if (dce->count > 1) if (!(dce->flags & DCX_CACHE))
{ {
WARN("Application trying to delete a busy DC %p\n", dce->hdc); WARN("Application trying to delete an owned DC %p\n", dce->hdc);
retv = FALSE; retv = FALSE;
} }
else else