TTMSFNCCustomComponent Class

Invisible non-visual component base class with persistence, style adaptation, and DPI-scaling support.

API unit family: TMSFNCCustomComponent Inherits from: TCustomControl Implements: ITMSFNCProductInfo, ITMSFNCPersistence

Syntax

TTMSFNCCustomComponent = class(TCustomControl, ITMSFNCProductInfo, ITMSFNCPersistence)

Properties

Name	Description
BlockPersistenceInterface	When True, the persistence interface is globally disabled and no properties are saved or loaded.
DesigntimeFormPixelsPerInch	The pixels-per-inch value of the form in the IDE at design time, used to correctly scale DFM coordinates at runtime.
Stored	When True, the component participates in persistence operations; when False, it is skipped.

Methods

Name	Description
BeginUpdate	Suspends update processing for the FMX compatibility implementation until EndUpdate is called.
EndUpdate	Resumes update processing for the FMX compatibility implementation after a matching BeginUpdate call.
IsDesignTime	Returns True when the component is running at design time in the IDE form designer.
IsDesigning	Returns True when the component's csDesigning flag is set.
IsDestroying	Returns True when the component is being destroyed (csDestroying flag).
IsLoading	Returns True while the component's streaming state is csLoading, i.e. during DFM loading.
IsReading	Returns True while the component is in the csReading streaming state.
LoadSettingsFromFile	Restores the component's published settings from a previously saved file.
LoadSettingsFromStream	Restores the component's published settings from a stream.
SaveSettingsToFile	Saves the component's published settings to a file.
SaveSettingsToStream	Saves the component's published settings to a stream.

Events

Name	Description
OnCanLoadProperty	Fired before a property is loaded to check whether it should be applied. Set ACanLoad to False to skip the property.
OnCanSaveProperty	Fired before a property is saved to check whether it should be included. Set ACanSave to False to skip the property.