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comctl32/taskdialog: Use dynamic buffer for taskdialog_get_label_size(). 

Signed-off-by: Zhiyi Zhang <zzhang@codeweavers.com>
Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zhiyi Zhang 2018-06-26 11:35:24 +08:00 committed by Alexandre Julliard
parent 8dc0d36717
commit 07d8d62459
1 changed files with 11 additions and 2 deletions
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13
dlls/comctl32/taskdialog.c
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@ -235,7 +235,7 @@ static void taskdialog_get_label_size(struct taskdialog_info *dialog_info, HWND
HFONT hfont, old_hfont;
HDC hdc;
RECT rect = {0};
WCHAR text[1024];
WCHAR *text;
INT text_length;
if (syslink)
@ -250,7 +250,15 @@ static void taskdialog_get_label_size(struct taskdialog_info *dialog_info, HWND
style |= DT_LEFT;
hfont = (HFONT)SendMessageW(hwnd, WM_GETFONT, 0, 0);
text_length = GetWindowTextW(hwnd, text, ARRAY_SIZE(text));
text_length = GetWindowTextLengthW(hwnd);
text = Alloc((text_length + 1) * sizeof(WCHAR));
if (!text)
{
size->cx = 0;
size->cy = 0;
return;
}
GetWindowTextW(hwnd, text, text_length + 1);
hdc = GetDC(hwnd);
old_hfont = SelectObject(hdc, hfont);
rect.right = max_width;
@ -258,6 +266,7 @@ static void taskdialog_get_label_size(struct taskdialog_info *dialog_info, HWND
size->cx = min(max_width, rect.right - rect.left);
if (old_hfont) SelectObject(hdc, old_hfont);
ReleaseDC(hwnd, hdc);
Free(text);
}
static ULONG_PTR taskdialog_get_standard_icon(LPCWSTR icon)