RAD Studio VCL Reference
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The following tables list the members exposed by TCheckConstraints.
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Name |
Description |
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Responds when items are added to the collection. | |
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Copies the properties of an object to a destination object. | |
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Responds when the collection or any of its items changes. | |
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Provides an interface for a method that reads and writes otherwise unpublished data. | |
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Responds when items are deleted from the collection. | |
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Returns the name of a custom attribute that can be retrieved using the GetItemAttr method. | |
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Returns the number of custom attributes associated with items in the collection. | |
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This is GetCheckConstraintClass, a member of class TCheckConstraints. | |
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Returns a specified item in the collection. | |
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Returns the value of a custom attribute assigned to one of the collection's items. | |
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Returns the owner of an object. | |
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Responds when items are added to or removed from the collection. | |
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Copies the properties of another item to a specified item in the collection. | |
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Initializes the name of a newly inserted collection item. | |
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Updates the collection to reflect changes to its items. |
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Name |
Description |
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Specifies a unique ID that can be assigned to the next added collection item. | |
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Specifies the name of the property that the collection implements. | |
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Counts the number of times BeginUpdate was called without a corresponding call to EndUpdate. |
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Name |
Description |
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Adds a check constraint to the list maintained by this collection object. | |
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Responds after the last constructor has executed. | |
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Copies the contents of another collection to the object where the method is executed. | |
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Copies the contents of another, similar object. | |
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Responds before the first destructor executes. | |
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Suspends screen repainting. | |
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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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Deletes all items from the collection. | |
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Instantiates an instance of a check constraint collection object. | |
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Provides the interface for a method that processes message records. | |
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Deletes a single item from the collection. | |
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Destroys the collection and each item in it. | |
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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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Re-enables screen repainting. | |
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Checks if the current instance and the parameter are equal. | |
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This is the overview for the FieldAddress method overload. | |
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Returns the item with the specified ID. | |
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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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Returns a TCollection enumerator. | |
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Returns an integer containing the hash code. | |
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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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Creates a new TCollectionItem instance and adds it to the Items array. | |
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Returns the size in bytes of each instance of the object type. | |
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This is the overview for the MethodAddress method overload. | |
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Returns the name of a class method by address. | |
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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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Returns the Owner of the collection. | |
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Handles exceptions in methods declared using the safecall calling convention. | |
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Returns a string containing the class name. | |
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Returns a string containing the unit name. |
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