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UserObject object – PB Docs 2019 – PowerBuilder Library

UserObject object – PB Docs 2019

UserObject object

UserObjects are custom visual objects that you can build to
supplement the standard PowerBuilder objects. UserObjects can display
information, request information from a user, and respond to mouse or
keyboard actions. You can also create a TabPage UserObject. Use the User
Object painter to build UserObjects.

When you place a visible UserObject in a window, you are actually
placing a UserObject control in the window. The control holds an instance
of the UserObject you select for the window.

Properties

UserObject property

Datatype

Description

BackColor

Long

Specifies the numeric value of the background
color: -2 to 16,777,215. For more information about color, see
the section called “RGB” in PowerScript Reference.

Border

Boolean

Specifies whether the object has a border. Values
are:

TRUE — Object has a border.

FALSE
— Object does not have a border.

BorderStyle

BorderStyle (enumerated)

Specifies the style of the border of the object.
Values
are:

StyleBox!

StyleLowered!

StyleRaised!

StyleShadowBox!

BringToTop

Boolean

Specifies whether PowerBuilder moves the object to
the top of the front-to-back order of the window. Values
are:

TRUE — Object moved to top.

FALSE
— Object not moved to top.

ClassDefinition

PowerObject

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

ClassName

String

(External user objects only) Returns the name
assigned to the object.

ColumnsPerPage

Integer

Specifies the number of columns on a scroll page.
The default is 0 (10 columns per page). For information, see
Scrolling in windows and user
objects
.

PowerBuilder multiplies
UnitsPerColumn by ColumnsPerPage to determine how many
PowerBuilder units to scroll the object horizontally when the
user clicks in the scroll bar.

Control[ ]

WindowObject

Specifies the control’s objects. You cannot change
the contents of this array in a script.

DragAuto

Boolean

Specifies whether PowerBuilder puts the object
automatically into Drag mode. Values are:

TRUE —
When the object is clicked, it is automatically in Drag
mode.

FALSE — When the object is clicked, it is not
automatically in Drag mode. You have to manually put the object
into Drag mode by using the Drag function.

DragIcon

String

Specifies the name of the stock icon or the file
containing the icon you want to display when the user drags the
object (the ICO file). The default icon is a box the size of the
object.

When the user drags the object, the icon
displays when the object is over an area in which the object can
be dropped (a valid drop area). When the object is over an area
that is not a valid drop area, the No-Drop icon
displays.

Enabled

Boolean

Specifies whether the object is enabled (can be
selected). Values are:

TRUE — Object can be
selected.

FALSE — Object cannot be
selected.

Height

Integer

Specifies the height of the object, in PowerBuilder
units.

HScrollBar

Boolean

Specifies whether a horizontal scroll bar displays.
Values are:

TRUE — Horizontal scroll bar
displays.

FALSE — Horizontal scroll bar does not
display.

LibraryName

String

(External user objects only) The name of the
dynamic-link library (DLL) that contains an external user object
class.

LinesPerPage

Integer

Specifies the number of lines on a page. The
default is 0 (10 lines per page). For information, see Scrolling in windows and user
objects
.

PowerBuilder multiplies UnitsPerLine
by LinesPerPage to determine how many PowerBuilder units to
scroll the object vertically when the user clicks in the scroll
bar.

ObjectType

UserObjects (enumerated)

Specifies the type of user object. Valid values
are:

CustomVisual!

ExternalVisual!

PictureMaskColor

Long

Specifies the numeric value of the color in the
picture that is changed to the background color. Values can be:
-2 to 16,777,215. For more information about color, see the section called “RGB” in PowerScript Reference.

This property applies only
when PictureName is a bitmap and only when the UserObject is a
tab page.

PictureName

String

Specifies a value of the Pointer enumerated
datatype or the filename of the bitmap, cursor, or icon or to be
displayed on the tab.

This property applies only
when the UserObject is a tab page.

Pointer

String

Specifies the name of the stock pointer or the file
containing the pointer used for the object.

PowerTipText

String

Specifies text to be displayed as a PowerTip for
the tab when the Tab control’s PowerTips property is true. This
property applies only when the UserObject is a tab
page.

Style

Long

Specifies any additional style bits you want to use
to control how the object displays (external user object
only).

TabBackColor

Long

Specifies the numeric value of the tab background
color: -2 to 16,777,215. For more information about color, see
the section called “RGB” in PowerScript Reference.

This property applies only
when the UserObject is a tab page; and it takes effect only when
the Windows classic style option is selected.

TabTextColor

Long

Specifies the numeric value of the tab text color:
-2 to 16,777,215. For more information about color, see the section called “RGB” in PowerScript Reference.

This property applies only
when the UserObject is a tab page.

TabOrder

Integer

Specifies tab value of the control within the user
object (0 means the user cannot tab to the
control).

Tag

String

Specifies the tag value assigned to the
object.

Text

String

Specifies the text that displays in the
object.

UnitsPerColumn

Integer

Specifies the number of PowerBuilder units to be
scrolled right or left when a user clicks the left or right
arrow in the horizontal scroll bar in a window or user object.
The default is 0 (1/100 of the width of the
window).

To make the end of the scroll bar match the
content, UnitsPerLine must be set according to the content
width. For information, see Scrolling in windows and user
objects
.

PowerBuilder multiplies
UnitsPerColumn by ColumnsPerPage to determine the number of
PowerBuilder units to scroll the window horizontally when the
user clicks in the scroll bar.

UnitsPerLine

Integer

Specifies the number of PowerBuilder units to be
scrolled up or down when a user clicks the up or down arrow in
the vertical scroll bar in a window or user object. The default
is 0 (1/100 of the window height).

To make the end
of the scroll bar match the content, UnitsPerLine must be set
according to the content length. For information, see Scrolling in windows and user
objects
.

PowerBuilder multiplies UnitsPerLine
by LinesPerPage to determine the number of PowerBuilder units to
scroll the window vertically when the user clicks in the scroll
bar.

Visible

Boolean

Specifies whether the object is visible. Values
are:

TRUE — Object is visible.

FALSE —
Object is not visible.

VScrollBar

Boolean

Specifies whether a vertical scroll bar displays.
Values are:

TRUE — Vertical scroll bar
displays.

FALSE — Vertical scroll bar does not
display.

Width

Integer

Specifies the width of the object, in PowerBuilder
units.

X

Integer

Specifies the X position (distance from the left
edge of screen) of the object, in PowerBuilder
units.

Y

Integer

Specifies the Y position (distance from the top of
screen) of the object, in PowerBuilder units.

Events

UserObject event

Occurs

Constructor

Immediately before the Open event occurs in the
window

Destructor

Immediately after the Close event occurs in the
window

DragDrop

When a dragged control is dropped on the
object

DragEnter

When a dragged control enters the
object

DragLeave

When a dragged control leaves the
object

DragWithin

When a dragged control is within the
object

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

Other

When a Windows message occurs that is not a
PowerBuilder event

RButtonDown

When the right mouse button is pressed on the
object

Functions

UserObject function

Datatype returned

Description

AddItem

Integer

Adds item to list.

ClassName

String

Returns the name assigned to the
object.

CloseUserObject

Integer

Removes the specified user object from view, closes
it, and executes its Destructor event.

CreatePage

Integer

Creates a tab page if it has not already been
created.

DeleteItem

Integer

Deletes item from list.

Drag

Integer

Starts or ends the dragging of the
object.

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 object invisible.

InsertItem

Integer

Inserts item in list.

Move

Integer

Places the object in a new location specified by
the X and Y arguments.

OpenUserObject

Integer

Displays the specified user object, making its
properties available to scripts.

OpenUserObjectWithParm

Integer

Displays the specified user object, making its
properties available to scripts, and stores a parameter in the
system’s Message object.

PageCreated

Boolean

Reports whether a tab page has been
created.

PointerX

Integer

Returns the distance from the left edge of the
screen to the pointer, in PowerBuilder units.

PointerY

Integer

Returns the distance from the top of the screen to
the pointer, in PowerBuilder units.

PostEvent

Boolean

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

Print

Integer

Prints the object.

Resize

Integer

Changes the size of the object based on the width
and height.

SetFocus

Integer

Sets focus to the object.

SetPosition

Integer

Specifies the position of the object in the
front-to-back order of the window.

SetRedraw

Integer

Turns on or off automatic redrawing of the object
after every change.

Show

Integer

Makes the object visible.

TriggerEvent

Integer

Sends an event to the object and executes the
script associated with the event.

TypeOf

Object

Returns the type of the object.


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