Class
iOSControl
Warning
This item was deprecated in version 2020r2. Please use MobileControl as a replacement.
Description
Control is the base class for most iOS UI controls. You cannot instantiate iOSControl directly.
Properties
Name |
Type |
Read-Only |
Shared |
---|---|---|---|
✓ |
|||
✓ |
|||
✓ |
|||
iOSControl |
✓ |
||
✓ |
|||
✓ |
Methods
Name |
Parameters |
Returns |
Shared |
---|---|---|---|
constraint As iOSLayoutConstraint |
|||
child As iOSControl |
|||
index As Integer |
iOSControl |
||
constraint As iOSLayoutConstraint |
|||
child As iOSControl |
|||
value As Color |
Property descriptions
iOSControl.AccessibilityHint
AccessibilityHint As Text
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 view."
iOSControl.AccessibilityLabel
AccessibilityLabel As Text
The accessibility label of of a control is a short name that is read aloud when VoiceOver is enabled.
Me.AccessibilityLabel = "Calculate the value."
iOSControl.Height
Height As Double
The height of the control.
This property is read-only.
iOSControl.Left
Left As Double
The left position of the control.
This property is read-only.
iOSControl.Name
Name As Text
The name of the control. This can only be set in the Inspector. Use the name to refer to the control.
This property is read-only.
iOSControl.Parent
Parent As iOSControl
Indicates the control's parent object, if it has one. If there is no parent, this is Nil.
This property is read-only.
iOSControl.Top
Top As Double
The top position of the control.
This property is read-only.
iOSControl.Visible
Visible As Boolean
Indicates whether the control is visible.
Make a button invisible:
Button1.Visible = False
iOSControl.Width
Width As Double
The width of the control.
This property is read-only.
Method descriptions
iOSControl.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.
iOSControl.AddControl
AddControl(child As iOSControl)
Adds a child control to the control.
iOSControl.Control
Control(index As Integer) As iOSControl
Gets the child control at the specified index.
iOSControl.ControlCount
ControlCount As Integer
The number of child controls in the control.
iOSControl.Handle
Handle As Ptr
The handle is used to get a reference to the control for interfacing directly with the iOS API.
iOSControl.Invalidate
Invalidate
Marks the control so that it will be redrawn during the next event loop.
Call Invalidate to force a Canvas to redraw itself:
Canvas1.Invalidate
iOSControl.RemoveConstraint
RemoveConstraint(constraint As iOSLayoutConstraint)
Removes a constraint from the control.
iOSControl.RemoveControl
RemoveControl(child As iOSControl)
Removes the control from the control.
iOSControl.SetTintColor
SetTintColor(value As Color)
Changes a control's tint color. This varies by control and for some controls may not do anything. For example, with an MobileTextField this changes the cursor color.
Event descriptions
iOSControl.Close
Close
Called when the control is removed from its container, such as a view.
iOSControl.Open
Open
Called after the control is created. This is where you typically put initialization code.
Set label text in Open event:
Me.Text = "Hello"
Compatibility
iOS projects on the iOS operating system.
See also
Object parent class; iOSLayout, iOSSplitView, iOSTabBar