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comctl32/treeview: Erase background when painting over supplied hdc.

This commit is contained in:
Nikolay Sivov 2010-09-26 13:06:46 +04:00 committed by Alexandre Julliard
parent 63dbf6ee3f
commit b65423c546
2 changed files with 35 additions and 0 deletions
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34
dlls/comctl32/tests/treeview.c
View File

@ -1265,6 +1265,39 @@ static void test_TVS_SINGLEEXPAND(void)
DestroyWindow(hTree);
}
static void test_WM_PAINT(void)
{
HWND hTree;
COLORREF clr;
LONG ret;
RECT rc;
HDC hdc;
hTree = create_treeview_control();
clr = SendMessageA(hTree, TVM_SETBKCOLOR, 0, RGB(255, 0, 0));
ok(clr == -1, "got %d, expected -1\n", clr);
hdc = GetDC(hMainWnd);
GetClientRect(hMainWnd, &rc);
FillRect(hdc, &rc, GetStockObject(BLACK_BRUSH));
clr = GetPixel(hdc, 1, 1);
ok(clr == RGB(0, 0, 0), "got 0x%x\n", clr);
ret = SendMessageA(hTree, WM_PAINT, (WPARAM)hdc, 0);
ok(ret == 0, "got %d\n", ret);
clr = GetPixel(hdc, 1, 1);
ok(clr == RGB(255, 0, 0) || broken(clr == RGB(0, 0, 0)) /* win98 */,
"got 0x%x\n", clr);
ReleaseDC(hMainWnd, hdc);
DestroyWindow(hTree);
}
START_TEST(treeview)
{
HMODULE hComctl32;
@ -1330,6 +1363,7 @@ START_TEST(treeview)
test_treeview_classinfo();
test_expandnotify();
test_TVS_SINGLEEXPAND();
test_WM_PAINT();
if (!load_v6_module(&ctx_cookie, &hCtx))
{

1
dlls/comctl32/treeview.c
View File

@ -2921,6 +2921,7 @@ TREEVIEW_Paint(TREEVIEW_INFO *infoPtr, HDC hdc_ref)
{
hdc = hdc_ref;
GetClientRect(infoPtr->hwnd, &rc);
TREEVIEW_FillBkgnd(infoPtr, hdc, &rc);
}
else
{