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# wxMDIChildFrame (wx v2.5.4)

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An MDI child frame is a frame that can only exist inside a `wxMDIClientWindow`, which is itself a child of `wxMDIParentFrame`.

## Styles

This class supports the following styles:

All of the standard `wxFrame` styles can be used but most of them are ignored by TDI-based MDI implementations.

Remark: Although internally an MDI child frame is a child of the MDI client window, in wxWidgets you create it as a child of `wxMDIParentFrame`. In fact, you can usually forget that the client window exists. MDI child frames are clipped to the area of the MDI client window, and may be iconized on the client window. You can associate a menubar with a child frame as usual, although an MDI child doesn't display its menubar under its own title bar. The MDI parent frame's menubar will be changed to reflect the currently active child frame. If there are currently no children, the parent frame's own menubar will be displayed.

See:

- `wxMDIClientWindow`

- `wxMDIParentFrame`

- `wxFrame`

This class is derived, and can use functions, from:

- `wxFrame`

- `wxTopLevelWindow`

- `wxWindow`

- `wxEvtHandler`

wxWidgets docs: wxMDIChildFrame

## Summary

### Types

wxMDIChildFrame()

### Functions

activate(This)

Activates this MDI child frame.

create(This, Parent, Id, Title)

Equivalent to `create(This, Parent, Id, Title, [])`.

create/5

Used in two-step frame construction.

destroy(This)

Destroys the object

maximize(This)

Equivalent to `maximize(This, [])`.

maximize/2

Maximizes this MDI child frame.

new()

Default constructor.

new(Parent, Id, Title)

Equivalent to `new(Parent, Id, Title, [])`.

new/4

Constructor, creating the window.

restore(This)

Restores this MDI child frame (unmaximizes).

## Types

# wxMDIChildFrame()

    -type wxMDIChildFrame() :: wx:wx_object().

## Functions

# activate(This)

    -spec activate(This) -> ok when This :: wxMDIChildFrame().

Activates this MDI child frame.

See:

- `maximize/2`

- `restore/1`

# create(This, Parent, Id, Title)

    -spec create(This, Parent, Id, Title) -> boolean()
                    when
                        This :: wxMDIChildFrame(),
                        Parent :: wxMDIParentFrame:wxMDIParentFrame(),
                        Id :: integer(),
                        Title :: unicode:chardata().

Equivalent to `create(This, Parent, Id, Title, [])`.

# create/5

    -spec create(This, Parent, Id, Title, [Option]) -> boolean()
                    when
                        This :: wxMDIChildFrame(),
                        Parent :: wxMDIParentFrame:wxMDIParentFrame(),
                        Id :: integer(),
                        Title :: unicode:chardata(),
                        Option ::
                            {pos, {X :: integer(), Y :: integer()}} |
                            {size, {W :: integer(), H :: integer()}} |
                            {style, integer()}.

Used in two-step frame construction.

See `new/4` for further details.

# destroy(This)

    -spec destroy(This :: wxMDIChildFrame()) -> ok.

Destroys the object

# maximize(This)

    -spec maximize(This) -> ok when This :: wxMDIChildFrame().

Equivalent to `maximize(This, [])`.

# maximize/2

    -spec maximize(This, [Option]) -> ok when This :: wxMDIChildFrame(), Option :: {maximize, boolean()}.

Maximizes this MDI child frame.

This function doesn't do anything if `IsAlwaysMaximized()` (not implemented in wx) returns true.

See:

- `activate/1`

- `restore/1`

# new()

    -spec new() -> wxMDIChildFrame().

Default constructor.

# new(Parent, Id, Title)

    -spec new(Parent, Id, Title) -> wxMDIChildFrame()
                 when
                     Parent :: wxMDIParentFrame:wxMDIParentFrame(),
                     Id :: integer(),
                     Title :: unicode:chardata().

Equivalent to `new(Parent, Id, Title, [])`.

# new/4

    -spec new(Parent, Id, Title, [Option]) -> wxMDIChildFrame()
                 when
                     Parent :: wxMDIParentFrame:wxMDIParentFrame(),
                     Id :: integer(),
                     Title :: unicode:chardata(),
                     Option ::
                         {pos, {X :: integer(), Y :: integer()}} |
                         {size, {W :: integer(), H :: integer()}} |
                         {style, integer()}.

Constructor, creating the window.

See: `create/5`

# restore(This)

    -spec restore(This) -> ok when This :: wxMDIChildFrame().

Restores this MDI child frame (unmaximizes).

This function doesn't do anything if `IsAlwaysMaximized()` (not implemented in wx) returns true.

See:

- `activate/1`

- `maximize/2`