About extended structure members

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BiDark

Joined: 22 Jun 2003
Posts: 109
Location: .th

BiDark 30 Nov 2003, 10:12

I have a comctl32 structure like this.

Code:

struc NMTBCUSTOMDRAW
{
    .nmcd                 NMCUSTOMDRAW
    .hbrMonoDither        dd ?
    .hbrLines             dd ?
    .hpenLines            dd ?
    .clrText              dd ?
    .clrMark              dd ?
    .clrTextHighlight     dd ?
    .clrBtnFace           dd ?
    .clrBtnHighlight      dd ?
    .clrHighlightHotTrack dd ?
    .rcText               RECT
    .nStringBkMode        dd ?
    .nHLStringBkMode      dd ?
    .iListGap             dd ?
}
struct NMTBCUSTOMDRAW

Actually .iListGap is available on WINNT > 501, the question is if I use this structure below that (98,Me), will it works (without using of it)?

I want to share this structure on every OS without removing this member, is it possible?

30 Nov 2003, 10:12

scientica
Retired moderator

Joined: 16 Jun 2003
Posts: 689
Location: Linköping, Sweden

scientica 30 Nov 2003, 13:03

Yes it'd work (at leat for one controll), but you'll have an extra dword for nothing. Mybee this could work:

Code:

struc NMTBCUSTOMDRAW
{
    .nmcd                 NMCUSTOMDRAW
    .hbrMonoDither        dd ?
    .hbrLines             dd ?
    .hpenLines            dd ?
    .clrText              dd ?
    .clrMark              dd ?
    .clrTextHighlight     dd ?
    .clrBtnFace           dd ?
    .clrBtnHighlight      dd ?
    .clrHighlightHotTrack dd ?
    .rcText               RECT
    .nStringBkMode        dd ?
    .nHLStringBkMode      dd ?
    if defined OS_WIN_XP
        .iListGap         dd ?
    end if
}
struct NMTBCUSTOMDRAW

_________________
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- Bradley Kuhn

30 Nov 2003, 13:03

BiDark

Joined: 22 Jun 2003
Posts: 109
Location: .th

BiDark 02 Dec 2003, 02:08

Thx, I will try

02 Dec 2003, 02:08

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