Data.DB.TParams Methods

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InheritedProtected
AddpublicCreates a new TCollectionItem instance and adds it to the Items array.
Added (deprecated)protectedResponds when items are added to the collection.
AddParampublicInserts a new field parameter into the Items list.
AddParameterpublicCreates a new TParam instance and adds it to the TParams item array.
AfterConstructionpublicResponds after the last constructor has executed.
AssignpublicCopies the contents of the Source collection to the current object.
AssignToprotected
AssignValuespublicAssigns new values to the parameters of the Items property.
BeforeDestructionpublicResponds before the first destructor executes.
BeginUpdatepublicSignals the start of an update operation.
ChangedprotectedResponds when the collection or any of its items changes.
CheckDisposedprotectedThis method is deprecated.
ClassInfopublicReturns a pointer to the run-time type information (RTTI) table for the object type.
ClassNamepublicReturns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument).
ClassNameIspublicDetermines whether an object is of a specific type.
ClassParentpublicReturns the type of the immediate ancestor of a class.
ClassTypepublicReturns the class reference for the object's class.
CleanupInstancepublicPerforms finalization on long strings, variants, and interface variables within a class.
ClearpublicDeletes all items from the collection.
ClearAndResetIDpublic
CreatepublicCreates an instance of TParams.
CreateParampublicCreates a new field parameter object and inserts it into the Items list.
DefaultHandlerpublicProvides the interface for a method that processes message records.
DefinePropertiesprotected
DeletepublicDeletes a single item from the collection.
Deleting (deprecated)protectedResponds when items are deleted from the collection.
Destroypublic
DispatchpublicCalls message-handling methods for the object, based on the contents of the Message parameter.
DisposeOfpublicDisposeOf forces the execution of the destructor code in an object.
EndUpdatepublicSignals the end of an update operation.
EqualspublicChecks whether the current instance and the Obj parameter are equal.
FieldAddresspublicReturns the address of a published object field.
FindItemIDpublicReturns the item with the specified ID.
FindParampublicLocates the parameter with a given name.
FreepublicDestroys an object and frees its associated memory, if necessary.
FreeInstancepublicDeallocates memory allocated by a previous call to the NewInstance method.
GetAttrprotectedReturns the name of a custom attribute that can be retrieved using the GetItemAttr method.
GetAttrCountprotectedReturns the number of custom attributes associated with items in the collection.
GetDataSetprotected
GetDisposedprotectedGetter for the Disposed property.
GetEnumeratorpublicReturns a TCollection enumerator.
GetHashCodepublicReturns an integer containing the hash code.
GetInterfacepublicRetrieves a specified interface.
GetInterfaceEntrypublicReturns the entry for a specific interface implemented in a class.
GetInterfaceTablepublicReturns a pointer to a structure containing all of the interfaces implemented by a given class.
GetItemprotectedReturns a specified item in the collection.
GetItemAttrprotectedReturns the value of a custom attribute assigned to one of the collection's items.
GetNamePathpublicReturns a string used by the Object Inspector.
GetOwnerprotected
GetParamClassprotected
GetParamListpublicFills a TList object with the TParam objects specified by name.
InheritsFrompublicDetermines the relationship of two object types.
InitInstancepublicInitializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer.
InsertpublicCreates a new TCollectionItem instance and adds it to the Items array.
InstanceSizepublicReturns the size in bytes of each instance of the object type.
IsEqualpublicIndicates whether two TParams objects have identical Items.
MethodAddresspublicReturns the address of a class method by name.
MethodNamepublicReturns the name of a class method by address.
NewInstancepublicAllocates memory for an instance of an object type and returns a pointer to that new instance.
NotifyprotectedResponds when items are added to or removed from the collection.
operator []public
OwnerpublicReturns the Owner of the collection.
ParamByNamepublicLocates the parameter with a given name.
ParseSQLpublicLocates the parameters in an SQL statement and replaces them with question marks.
QualifiedClassNamepublicReturns the qualified name of the class.
RemoveParampublicRemoves the specified parameter from the Items property of a TParams object.
SafeCallExceptionpublicHandles exceptions in methods declared using the safecall calling convention.
SetItemprotectedCopies the properties of another item to a specified item in the collection.
SetItemNameprotectedInitializes the name of a newly inserted collection item.
Sortpublic
ToStringpublicReturns a string containing the class name.
UnitNamepublicReturns the name of the unit where the class is defined.
UnitScopepublicReturns the class's unit scope.
Updateprotected