---
name: "wxPreviewControlBar"
section: "3erl"
platform: "linux"
package: "erlang-manpages"
version: "1:25.2.3+dfsg-1+deb12u4"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/wxPreviewControlBar"
---

# wxPreviewControlBar(3erl)

Functions for wxPreviewControlBar class

## NAME

wxPreviewControlBar - Functions for wxPreviewControlBar class

## DESCRIPTION

This is the default implementation of the preview control bar, a panel with buttons and a zoom control.

You can derive a new class from this and override some or all member functions to change the behaviour and appearance; or you can leave it as it is.

See: *wxPreviewFrame*, *wxPreviewCanvas*, *wxPrintPreview*

This class is derived (and can use functions) from: *wxPanel* *wxWindow* *wxEvtHandler*

wxWidgets docs: wxPreviewControlBar

## DATA TYPES

```
wxPreviewControlBar() = wx:wx_object()
```

## EXPORTS

```
new(Preview, Buttons, Parent) -> wxPreviewControlBar()
```

Types:

Preview = wxPrintPreview:wxPrintPreview()\
 Buttons = integer()\
 Parent = wxWindow:wxWindow()\

```
new(Preview, Buttons, Parent, Options :: [Option]) ->
       wxPreviewControlBar()
```

Types:

Preview = wxPrintPreview:wxPrintPreview()\
 Buttons = integer()\
 Parent = wxWindow:wxWindow()\
 Option = \
\
     {pos, {X :: integer(), Y :: integer()}} \|\
\
     {size, {W :: integer(), H :: integer()}} \|\
\
     {style, integer()}\

Constructor.

The *buttons* parameter may be a combination of the following, using the bitwise 'or' operator:

```
destroy(This :: wxPreviewControlBar()) -> ok
```

Destructor.

```
createButtons(This) -> ok
```

Types:

This = wxPreviewControlBar()\

Creates buttons, according to value of the button style flags.

```
getPrintPreview(This) -> wxPrintPreview:wxPrintPreview()
```

Types:

This = wxPreviewControlBar()\

Gets the print preview object associated with the control bar.

```
getZoomControl(This) -> integer()
```

Types:

This = wxPreviewControlBar()\

Gets the current zoom setting in percent.

```
setZoomControl(This, Percent) -> ok
```

Types:

This = wxPreviewControlBar()\
 Percent = integer()\

Sets the zoom control.