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TCheckConstraint Members

The following tables list the members exposed by TCheckConstraint.

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Provides an interface for a method that reads and writes otherwise unpublished data.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