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Menu object – PB Docs 2019 – PowerBuilder Library

Menu object – PB Docs 2019

Menu object

In PowerBuilder, you use the Menu painter to create menus and
toolbars. Typically, menus are lists of items (usually commands or
options) that a user can select in the currently active window. Menus can
display in a menu bar, in a drop-down or cascading menu, or as pop-up
menus. A toolbar is associated with a menu, and its toolbar buttons act as
shortcuts for choosing items from the menu.

PowerBuilder provides a Menu system object used to develop menus. A
Menu object can contain other Menu objects that appear, for example, as
the items in a drop-down or cascading menu. When the user clicks a Menu
object, a Clicked event is triggered. If there is a drop-down or cascading
menu under the clicked object, the script for the Clicked event for the
object is executed, and then the menu displays. If there is no menu under
the object, the script for the Clicked event for the object is
executed.

Menus that you import or upgrade from earlier versions of
PowerBuilder use the Traditional menu style by default. Menus with a
Contemporary style have a three-dimensional menu appearance similar to
those in Microsoft Office 2003 and Visual Studio 2005, and can include
bitmap and menu title bands.

Properties

Menu property

Datatype

Description

BitmapBackColor

Long

Background color of the bitmap band of the menu.
(Default is silver.)

BitmapGradient

Boolean

Background of the bitmap band to a gradient
style.

Checked

Boolean

Specifies whether the Menu object is selected. The
state of the checked property is reflected in the toolbar
button. Values are:

TRUE — Object is
selected.

FALSE — Object is not
selected.

ClassDefinition

PowerObject

An object of type PowerObject containing
information about the class definition of the object or
control.

Default

Boolean

Specifies whether the menu item is the default and
appears in a bold typeface. Only one item within a menu should
be set to default.

In context menus, the Default
property is used to indicate the action that would have been
performed if the user had double-clicked on the object rather
than right-clicked on it.

The property is also used
to indicate which operation would have been performed if the
item had been dragged with the left mouse button rather than the
right mouse button.

Values are:

TRUE —
Menu item is bolded.

FALSE — Menu item is not
bolded.

Enabled

Boolean

Specifies whether the Menu object is enabled (can
be clicked). The state of the enabled property is reflected in
the toolbar button. Values are:

TRUE — Object is
enabled.

FALSE — Object is not
enabled.

FaceName

String

Font face name.

Italic

Boolean

Italic font.

Item[ ]

Menu

Specifies the Menu objects under a Menu
object.

MenuAnimation

Boolean

Visual sizing cue to the menu item bitmap when the
associated menu item is selected. This property is ignored if
the MenuImage property is not assigned.

MenuBackColor

Long

Background color of the menu.

MenuBitmaps

Boolean

Bitmap band for the menu.

MenuHighlightColor

Long

Menu highlight color. The default is the default
Windows highlight color.

MenuImage

String

Bitmap image to be used with the menu item. This
property is ignored if the MenuBitmaps property for the menu
object is not selected or is set to false. If you change
MenuImage at runtime, the height of the image does not change,
therefore you should avoid assigning a larger or smaller bitmap
dynamically.

MenuItemType

MenuItemType (enumerated)

Allows you to identify special Menu objects that
are used differently on different platforms. Values
are:

MenuItemTypeAbout!

MenuItemTypeExit!

MenuItemTypeHelp!

MenuItemTypeNormal!

MenuStyle

MenuStyle (enumerated)

Overall menu style. Values are: contemporarymenu!
and traditionalmenu!

MenuTextColor

Long

Menu text color. (Default is the Windows menu text
color.)

MenuTitles

Boolean

Menu title band.

MenuTitleText

String

Label for a menu item that has a cascading submenu.
The label text is set vertically in a column to the left of the
submenu items and the bitmaps for submenu items, if any. If the
vertical label text is longer than the height of all the submenu
items, the label text is cut from the end. This property is
ignored if the MenuTitles property for the menu object is not
selected.

MergeOption

MenuMergeOption (enumerated)

Specifies how the object is affected when an OLE
object is activated. Values
are:

EditMenu!

Exclude!

FileMenu!

HelpMenu!

Merge!

WindowMenu!

For
more information about MergeOption, see the section called “Using OLE in an Application” in Application Techniques.

MicroHelp

String

Specifies the text of the MicroHelp for the
object.

ParentWindow

Window

Specifies the window that owns the Menu
object.

ShiftToRight

Boolean

Specifies whether the Menu object shifts down or to
the right when other Menu objects are added in a descendant
menu. Values are:

TRUE — Object shifts to
right.

FALSE — Object shifts down.

Shortcut

Integer

Specifies the shortcut key for the Menu object.
This property should be set only in the Menu painter. It cannot
be set at runtime.

Tag

String

Specifies the tag value assigned to the Menu
object.

Text

String

Specifies the text in the Menu
object.

TextSize

Integer

Font character size in points for menu items. This
property does not apply to the Traditional menu style, and it
does not apply to the main menu bar, which has a fixed height of
8 points.

TitleBackColor

Long

Background color of the title panel.

TitleGradient

Boolean

Background gradient style for the title
panel.

ToolbarAnimation

Boolean

Specifies animation for the toolbar image. You can
select the ToolbarAnimation check box on the Toolbar tab in the
Properties view for each menu item unless you are using the
traditional toolbar style for the current menu object. If you do
not select an image for the ToolbarItemName property of a menu
item, the selection you make for the ToolbarAnimation property
is ignored.

ToolbarBackColor

Long

Background color of the menu
toolbar.

ToolbarGradient

Boolean

Gradient of the menu toolbar
background.

ToolbarHighlightColor

Long

Highlight color for the toolbar buttons when they
are selected.

ToolbarItemBarIndex

Integer

Specifies which toolbar the Menu object is on when
multiple toolbars exist. If setting this index results in the
object being the first item on a new toolbar, the toolbar is
implicitly created. If setting this index results in emptying a
toolbar, the toolbar is implicitly destroyed.

ToolbarItemDown

Boolean

Specifies how the toolbar button appears. Values
are:

TRUE — Toolbar button appears
down.

FALSE — Toolbar button appears
up.

This property is automatically reset when any
button is pressed using the mouse.

ToolbarItemDownName

String

Specifies the name of the toolbar icon associated
with the Menu object when it is down.

ToolbarItemName

String

Specifies the name of a stock toolbar picture you
want to use to represent an item in the toolbar or a string
containing the name of a bitmap file.

ToolbarItemOrder

Integer

Specifies the order of the item in the
toolbar.

ToolbarItemSpace

Integer

Specifies the amount of empty space before the item
in the toolbar.

ToolbarItemText

String

Specifies the text that displays in the toolbar
item when the display text option is on for
toolbars.

ToolbarItemVisible

Boolean

Specifies whether the toolbar item displays. Values
are:

TRUE — The toolbar item is
visible.

FALSE — The toolbar item is not
visible.

If any toolbar item has a ToolbarItemName
assigned, an empty toolbar displays even if this property has
been set to false for all toolbar items. To control display of
the toolbar, use the ToolbarVisible property of the
window.

ToolbarStyle

ToolbarStyle (enumerated)

Overall style of the menu toolbar. Values are:
contemporarytoolbar! and traditionaltoolbar!

ToolbarTextColor

Long

Color of the text in menu toolbar.

Underline

Boolean

Underline font.

Visible

Boolean

Specifies whether the Menu object is visible.
Values are:

TRUE — Object is
visible.

FALSE — Object is not
visible.

Weight

Integer

Font weight.

Events

Menu event

Occurs

Clicked

When the Menu object is clicked (selected or
unselected)

Help

When the user presses the F1 key or drags the
context help button (question mark) from the title bar to a menu
item or control

Selected

When the user moves to the Menu object using the
arrow keys or the mouse

Functions

Menu function

Datatype returned

Description

Check

Integer

Displays a check mark next to the Menu object and
sets the Checked property.

ClassName

String

Returns the class of the Menu
object.

Disable

Integer

Disables (and grays) the Menu object so that it
cannot be selected and unsets the Enabled
property.

Enable

Integer

Enables the Menu object so that it can be selected
and displays it normally (not grayed) and sets the Enabled
property.

GetContextService

Integer

Creates a reference to a context-specific instance
of the specified service.

GetParent

PowerObject

Returns a reference to the name of the parent
object.

Hide

Integer

Makes the Menu object invisible.

PopMenu

Integer

Displays the Menu object at the specified
location.

PostEvent

Integer

Adds an event to the end of the message queue for
the Menu object.

Show

Integer

Makes the Menu object visible.

TriggerEvent

Integer

Triggers a specified event in the Menu object and
executes the script for the event.

TypeOf

Object

Returns the type of the control.

Uncheck

Integer

Removes the check mark next to the Menu object and
sets the Checked property to FALSE.


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