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RAD Studio VCL Reference
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TCheckConstraint Members
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RAD Studio VCL Reference
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The following tables list the members exposed by TCheckConstraint.
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Name |
Description |
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Copies the properties of an object to a destination object. | |
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Updates the collection to reflect changes to the collection item. | |
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Provides an interface for a method that reads and writes otherwise unpublished data. | |
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Returns the collection to which this item belongs. | |
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Returns the owner of an object. | |
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Sets the value of the Collection property. | |
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Sets the name of the collection item as it appears in the collection editor. | |
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Moves the collection item to a specified position in the parent collection. |
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Name |
Description |
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Responds after the last constructor has executed. | |
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Assigns one constraint to another. | |
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Responds before the first destructor executes. | |
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Returns a pointer to the runtime type information (RTTI) table for the object type. | |
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Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument). | |
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Determines whether an object is of a specific type. | |
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Returns the type of the immediate ancestor of a class. | |
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Returns the class reference for the object's class. | |
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Performs finalization on long strings, variants, and interface variables within a class. | |
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Creates and initializes a TCollectionItem instance. | |
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Constructs an object and initializes its data before the object is first used. | |
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Provides the interface for a method that processes message records. | |
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Destroys the TCollectionItem instance and frees its memory. | |
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Destroys the TPersistent instance and frees its memory. | |
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Disposes of an object instance. | |
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Calls message-handling methods for the object, based on the contents of the Message parameter. | |
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Returns the address of a published object field. | |
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Destroys an object and frees its associated memory, if necessary. | |
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Deallocates memory allocated by a previous call to the System::TObject::NewInstance method. | |
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Retrieves the current text for a constraint. | |
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Retrieves a specified interface. | |
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Returns the entry for a specific interface implemented in a class. | |
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Returns a pointer to a structure containing all of the interfaces implemented by a given class. | |
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Returns a string used by the Object Inspector. | |
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Returns the name of the object as it appears in the Object Inspector. | |
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Determines the relationship of two object types. | |
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Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer. | |
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Returns the size in bytes of each instance of the object type. | |
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This is MethodAddress, a member of class TObject. | |
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This is MethodName, a member of class TObject. | |
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Allocates memory for an instance of an object type and returns a pointer to that new instance. | |
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Handles exceptions in methods declared using the safecall calling convention. |
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Name |
Description |
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Specifies the TCollection instance to which the TCollectionItem belongs. | |
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The name displayed in the Collection editor. | |
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A unique, permanent index for the item. | |
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Returns the item's position in the Items array of TCollection. |
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Name |
Description |
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Contains the SQL text representation of a constraint defined on a record by an application. | |
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Contains the text of an error message to display if data entered in a record by a user violates the constraint condition. | |
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Indicates whether to fetch a check constraint from the Data Dictionary. Reserved for future use. | |
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Contains the SQL text for a check constraint imported from the Data Dictionary or a remote SQL database server. |
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Copyright(C) 2008 CodeGear(TM). All Rights Reserved.
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Protected Methods