LinkControlToFieldDelegate#

Qualified name: delphivcl.LinkControlToFieldDelegate

class LinkControlToFieldDelegate#

Bases: LinkControlDelegate

Is a binding component that wraps another binding component and references a control, data source, and field. The TLinkControlToFieldDelegate class implements a binding component that wraps another binding component and references a control, a data source, and a field. For more information regarding the delegates, please refer to the New LiveBinding topic, the Quick Binding Components Reference section.

Methods

BindMethodsToEvents

Connects methods to component events if they are named using the following pattern: Prefix_ComponentName_EventName.

GetParentComponent

Returns the parent of a component.

HasParent

Indicates whether the component has a parent to handle its filing.

Attributes

BindingsList

Specifies a list that holds the binding expressions.

Category

Specifies a category for this component.

ClassName

Returns the TObject.ClassName

ComObject

Specifies the interface reference implemented by the component.

ComponentCount

Returns the owned component count

ComponentIndex

Indicates the position of the component in its owner's Components property array.

ComponentState

Describes the current state of the component, indicating when a component needs to avoid certain actions.

ComponentStyle

Governs the behavior of the component.

Components

Returns an iterator over the owned components

ControlComponent

Specifies the component that will be bound to the source component, by means of LiveBindings.

DataSource

Specifies a TBaseLinkingBindSource object to which this delegate component links.

DesignInfo

Contains information used by the Form designer.

DisplayName

Returns a string containing the name of this component.

Index

Returns the index of this component in the bindings list.

Name

Specifies the name of the component as referenced in code.

Observers

Indicates the TObservers object added to the TComponent.

OnActivated

<Delphi property OnActivated of type TBindComponentDelegate at 211412F1B30>

OnActivating

<Delphi property OnActivating of type TBindComponentDelegate at 211412F1A60>

OnAssignedValue

<Delphi property OnAssignedValue of type TBindComponentDelegate at 211412F18C0>

OnAssigningValue

<Delphi property OnAssigningValue of type TBindComponentDelegate at 211412F17F0>

OnEvalError

<Delphi property OnEvalError of type TBindComponentDelegate at 211412F1990>

Owner

Returns the Component Owner

Tag

Stores a NativeInt integral value as a part of a component.

VCLComObject

Represents information used internally by components that support COM.

BindMethodsToEvents(prefix)#

Connects methods to component events if they are named using the following pattern: Prefix_ComponentName_EventName. Example: def handle_button1_OnClick(Sender): pass The function returns a list of tuples. Each tuple contains the name of the component, the name of the event and the method object assigned to the event. Note that the prefix parameter is optional and will default to “handle_”.

ComponentCount#

Returns the owned component count

Components#

Returns an iterator over the owned components

DataSource#

Specifies a TBaseLinkingBindSource object to which this delegate component links. Use DataSource to determine or set the TBaseLinkingBindSource object that connects to a specific dataset.

GetParentComponent()#

Returns the parent of a component.

HasParent()#

Indicates whether the component has a parent to handle its filing.

Owner#

Returns the Component Owner