CODEWITHSUNDEEP
windowswinapi
Krzysztof Kowalczyk
Krzysztof Kowalczyk

Reputation: 3563

Different on hover visual state for BS_OWNERDRAW buttons

I have a BS_OWNERDRAW button created with:

HWND hwndClose = CreateWindow(WC_BUTTON, _T(""),
                    BS_PUSHBUTTON | BS_OWNERDRAW | WS_CHILD | WS_VISIBLE,
                    0, 0, 16, 16, win->hwndTocBox, (HMENU)IDC_TOC_CLOSE, ghinst, NULL);

I want to draw it differently when cursor is over the button. I was expecting to get WM_DRAWITEM message every time cursor enters/leaves my button but that doesn't seem to be the case. I only get it once even though standard windows button clearly have different visual state in the on hover case.

Is it possible to easily get windows to send WM_DRAWITEM when on hover state changes, without doing tedious things like subclassing the button window and manually handling WM_MOUSEMOVE/WM_MOUSELEAVE messages?

Upvotes: 2

Views: 1291

Answers (1)

Hans Passant
Hans Passant

Reputation: 942109

This is a side-effect of ownerdraw. The visual hover effect you get on a 'regular' button is actually only present when its visual style is enabled. However, any control that has its ownerdraw style turned on will not get the visual style. This is appcompat behavior, it cannot be disabled. You'll have to do this the hard way.

Upvotes: 1

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