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[Properties (by Name)] [Methods (by Name)] [Events (by Name)]
Property storage mechanism
Source position: rttiutils.pp line 66
type TPropsStorage = class(TObject) |
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protected |
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function ReadString(); virtual; |
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procedure WriteString(); virtual; |
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procedure EraseSection(); virtual; |
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function GetItemName(); virtual; |
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function CreateStorage; virtual; |
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public |
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procedure StoreAnyProperty(); |
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Store a property value |
procedure LoadAnyProperty(); |
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Load a property value |
procedure StoreProperties(); |
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Store a list of properties |
procedure LoadProperties(); |
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Load a list of properties |
procedure LoadObjectsProps(); |
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Load a list of component properties |
procedure StoreObjectsProps(); |
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Store a list of component properties |
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Object to load or store properties from |
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property Prefix: String; [rw] |
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Prefix to use in storage |
property Section: String; [rw] |
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Section name for storage |
property OnReadString: TReadStrEvent; [rw] |
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Read a string value from storage |
property OnWriteString: TWriteStrEvent; [rw] |
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Write a string value to storage |
property OnEraseSection: TEraseSectEvent; [rw] |
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Erase a section in storage |
end; |
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Property storage mechanism |
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TPropsStorage provides a mechanism to store properties from any class which has published properties (usually a TPersistent descendent) in a storage mechanism.
TPropsStorage does not handle the storage by itself, instead, the storage is handled through a series of callbacks to read and/or write strings. Conversion of property types to string is handled by TPropsStorage itself: all that needs to be done is set the 3 handlers. The storage mechanism is assumed to have the structure of an .ini file : sections with key/value pairs. The three callbacks should take this into account, but they do not need to create an actual .ini file.
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Class for keeping property information |
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