Lines Matching refs:is
15 used for scrolling lines of variable heights; "virtual" because it is not
21 In any case, this is a generalization of the
24 however, notably there is currently no support for horizontal scrolling; it
32 moment on the scrolling is handled entirely by wxVScrolledWindow, you only
36 select the lines to display. Note that the device context origin is not shifted
59 This is the normal constructor, no need to call Create() after using this one.
61 Note that {\tt wxVSCROLL} is always automatically added to our style, there is
92 Just as with the ctor above, {\tt wxVSCROLL} style is always used, there is no
100 This protected function is used internally by wxVScrolledWindow to estimate the
102 is called. The default implementation uses the brute force approach if the
103 number of the items in the control is small enough. Otherwise, it tries to find
106 If it is undesirable to access all these lines (some of which might be never
121 This is same as \helpref{GetVisibleBegin}{wxvscrolledwindowgetvisiblebegin} and
130 returns \texttt{(size\_t)-1} (i.e. a huge positive number) if the control is
131 empty so if this is possible you should use \helpref{GetVisibleEnd}{wxvscrolledwindowgetvisibleend}
163 return value is $0$ it means that no lines are currently shown (which only
164 happens if the control is empty). Note that the index returned by this method
165 is not always a valid index as it may be equal to \helpref{GetLineCount}{wxvscrolledwindowgetlinecount}.
179 {\tt wxNOT\_FOUND} if none, i.e. if it is below the last item.
186 Returns {\tt true} if the given line is (at least partially) visible or
207 it if calculating the lines heights is a relatively expensive operation
211 {\tt OnGetLinesHint()} is normally called just before
214 specified here. It is also possible that OnGetLineHeight() will be
215 called for the lines outside of this interval, so this is really just a
218 Finally note that {\it lineMin} is inclusive, while {\it lineMax} is exclusive,