Class

iOSMobileUserControl

Description

Used to embed UIViews created via declares into the Xojo control hierarchy.

Properties

Name	Type	Read-Only
AccessibilityHint	String
AccessibilityLabel	String
ControlCount	Integer	✓
Enabled	Boolean
Height	Double	✓
Left	Double	✓
Name	String
Parent	MobileUIControl	✓
TintColor	ColorGroup
Top	Double	✓
Visible	Boolean
Width	Double	✓

Methods

Name	Parameters	Returns
AddConstraint	constraint As iOSLayoutConstraint
AddControl	child As MobileUIControl
ClearFocus
ControlAt	index As Integer	MobileUIControl
Handle		Ptr
Refresh
RemoveConstraint	constraint As iOSLayoutConstraint
RemoveControl	child As MobileUIControl
SetFocus

Events

Name	Parameters	Returns
AppearanceChanged	dark As Boolean
Closing
CreateView		Ptr
Opening

Property descriptions

iOSMobileUserControl.AccessibilityHint

AccessibilityHint As String

The accessibility hint is a longer description that is read aloud when VoiceOver is enabled.

Me.AccessibilityHint = "Click to calculate the value and display the next screen."

iOSMobileUserControl.AccessibilityLabel

AccessibilityLabel As String

The accessibility label of of a control is a short name that is read aloud when VoiceOver is enabled.

Me.AccessibilityLabel = "Calculate the value."

iOSMobileUserControl.ControlCount

ControlCount As Integer

The number of child controls in the control.

This property is read-only.

iOSMobileUserControl.Enabled

Enabled As Boolean

Indicates whether the control is enabled or disabled.

Disable the button:

Button1.Enabled = False

iOSMobileUserControl.Height

Height As Double

The height of the control.

This property is read-only.

iOSMobileUserControl.Left

Left As Double

The left position of the control.

This property is read-only.

iOSMobileUserControl.Name

Name As String

The name of the control.

iOSMobileUserControl.Parent

Parent As MobileUIControl

The parent (sometimes called a "Super") class of the control.

This property is read-only.

iOSMobileUserControl.TintColor

TintColor As ColorGroup

Changes a control's tint color.

On iOS, the following controls support TintColor:

Enum	Description
ProgressBar	The area indicating the value of the control will be drawn in the TintColor.
Slider	The area indicating the value of the control will be drawn in the TintColor.
TextArea	The cursor and text highlight color will be drawn in the TintColor.
TextField	The cursor and text highlight color will be drawn in the TintColor.

iOSMobileUserControl.Top

Top As Double

The top position of the control.

This property is read-only.

iOSMobileUserControl.Visible

Visible As Boolean

Indicates whether the control is visible.

Make a button invisible:

Button1.Visible = False

iOSMobileUserControl.Width

Width As Double

The width of the control.

This property is read-only.

Method descriptions

iOSMobileUserControl.AddConstraint

AddConstraint(constraint As iOSLayoutConstraint)

Adds a constraint to the control.

This constraint is used by child controls that have been added to this control.

iOSMobileUserControl.AddControl

AddControl(child As MobileUIControl)

Adds a child control to the control.

iOSMobileUserControl.ClearFocus

ClearFocus

Removes the focus from the control.

TextField1.ClearFocus

iOSMobileUserControl.ControlAt

ControlAt(index As Integer) As MobileUIControl

Gets the child control at the specified index.

iOSMobileUserControl.Handle

Handle As Ptr

The a handle to the underlying native OS control.

iOSMobileUserControl.Refresh

Refresh

Marks the control so that it will be redrawn during the next event loop.

Call Refresh to force a Canvas to redraw itself:

Canvas1.Refresh

iOSMobileUserControl.RemoveConstraint

RemoveConstraint(constraint As iOSLayoutConstraint)

Removes a constraint from the control.

iOSMobileUserControl.RemoveControl

RemoveControl(child As MobileUIControl)

Removes the control from the control.

iOSMobileUserControl.SetFocus

SetFocus

Sets the focus to the control.

TextField1.SetFocus

Event descriptions

iOSMobileUserControl.AppearanceChanged

AppearanceChanged(dark As Boolean)

Raised when the appearance of the OS changes between light and dark mode.

iOSMobileUserControl.Closing

Closing

Called when the control's layout is closing.

iOSMobileUserControl.CreateView

CreateView As Ptr

Raised when the control needs you to create your UIView. Return the pointer to the UIView.

iOSMobileUserControl.Opening

Opening

Called when the control's layout is opening.

This is where you typically put initialization code.

This example in the Opening event of a label sets its text to "Hello":

Me.Text = "Hello"

Compatibility

iOS projects on the iOS operating system.