Method toolInfo

tooltip.go:248–262

(hwnd win.HWND)

}

func (tt *ToolTip) toolInfo(hwnd win.HWND) *win.TOOLINFO {
	var ti win.TOOLINFO
	var buf [maxToolTipTextLen]uint16

	ti.CbSize = uint32(unsafe.Sizeof(ti))
	ti.Hwnd = hwnd
	ti.UId = uintptr(hwnd)
	ti.LpszText = &buf[0]

	if win.FALSE == tt.SendMessage(win.TTM_GETTOOLINFO, 0, uintptr(unsafe.Pointer(&ti))) {
		return nil
	}

	return &ti
}

func (*ToolTip) hwndForTool(tool Widget) win.HWND {
	if hftt, ok := tool.(interface{ handleForToolTip() win.HWND }); ok {