RAD Studio VCL Reference
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The following tables list the members exposed by TWordField.
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Name |
Description |
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FComponentStyle is the field of the ComponentStyle read-only property. |
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Name |
Description |
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Called when an application uses a component interface. | |
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Called when an application releases a component interface. | |
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This is AccessError, a member of class TField. | |
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Copies the properties of an object to a destination object. | |
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This is Bind, a member of class TField. | |
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This is Change, a member of class TField. | |
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Sets the private, internal storage for the Name property to the string passed in NewName. | |
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This is CheckInactive, a member of class TField. | |
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This is CheckTypeSize, a member of class TField. | |
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This is CopyData, a member of class TField. | |
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This is DataChanged, a member of class TField. | |
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Designates methods for storing an object's unpublished data on a stream such as a form file. | |
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Provides an interface for a method that reads and writes otherwise unpublished data. | |
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Designates methods for storing an object's unpublished data on a stream such as a form file. | |
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This is FreeBuffers, a member of class TField. | |
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This is GetAsAnsiString, a member of class TField. | |
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This is GetAsBCD, a member of class TField. | |
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This is GetAsBoolean, a member of class TField. | |
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This is GetAsByteArray, a member of class TField. | |
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This is GetAsBytes, a member of class TField. | |
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This is GetAsCurrency, a member of class TField. | |
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This is GetAsDateTime, a member of class TField. | |
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This is GetAsExtended, a member of class TField. | |
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This is GetAsFloat, a member of class TField. | |
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This is GetAsFloat, a member of class TIntegerField. | |
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This is GetAsInteger, a member of class TField. | |
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This is GetAsInteger, a member of class TIntegerField. | |
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This is GetAsSQLTimeStamp, a member of class TField. | |
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This is GetAsString, a member of class TField. | |
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This is GetAsString, a member of class TIntegerField. | |
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This is GetAsVariant, a member of class TField. | |
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This is GetAsVariant, a member of class TIntegerField. | |
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This is GetAsWideString, a member of class TField. | |
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This is GetCanModify, a member of class TField. | |
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Returns the owner of a child component being read from a stream. | |
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Returns the parent, or if there is no parent, returns the owner of a child component being read from a stream. | |
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Enumerates all child components. | |
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This is GetClassDesc, a member of class TField. | |
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This is GetDataSize, a member of class TWordField. | |
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This is GetDefaultWidth, a member of class TField. | |
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This is GetFieldNo, a member of class TField. | |
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This is GetHasConstraints, a member of class TField. | |
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Maps a single member and an optional set of argument names to a corresponding set of integer dispatch identifiers (dispIDs). | |
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This is GetIsNull, a member of class TField. | |
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This is GetLookupListClass, a member of class TField. | |
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Returns the owner of a component. | |
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Returns the owner of an object. | |
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This is GetSize, a member of class TField. | |
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This is GetText, a member of class TField. | |
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This is GetText, a member of class TIntegerField. | |
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Retrieves the type information for an object. | |
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Returns the number of type information interfaces that an object provides (either 0 or 1). | |
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This is GetValue, a member of class TIntegerField. | |
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This is GetWideText, a member of class TField. | |
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Provides access to Automation properties and methods when the component wraps an Automation object. | |
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Initializes the component after the form file has been read into memory. | |
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Forwards notification messages to all owned components. | |
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Forwards notification messages to all owned components. | |
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Responds when the component is created from the component palette. | |
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This is PropertyChanged, a member of class TField. | |
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Returns a reference to a specified interface if the object supports that interface. | |
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This is RangeError, a member of class TNumericField. | |
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Reads the state of the component. | |
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Reads the state of the component. | |
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Clears or sets csAncestor state in the component's ComponentState property. | |
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This is SetAsAnsiString, a member of class TField. | |
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This is SetAsBCD, a member of class TField. | |
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This is SetAsBoolean, a member of class TField. | |
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This is SetAsByteArray, a member of class TField. | |
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This is SetAsBytes, a member of class TField. | |
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This is SetAsCurrency, a member of class TField. | |
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This is SetAsDateTime, a member of class TField. | |
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This is SetAsExtended, a member of class TField. | |
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This is SetAsFloat, a member of class TField. | |
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This is SetAsFloat, a member of class TIntegerField. | |
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This is SetAsInteger, a member of class TField. | |
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This is SetAsInteger, a member of class TIntegerField. | |
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This is SetAsSQLTimeStamp, a member of class TField. | |
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This is SetAsString, a member of class TField. | |
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This is SetAsString, a member of class TIntegerField. | |
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This is SetAsVariant, a member of class TField. | |
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This is SetAsWideString, a member of class TField. | |
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This is SetAutoGenerateValue, a member of class TField. | |
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Sets the visual ordering of a child control. | |
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This is SetDataSet, a member of class TField. | |
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This is SetDataType, a member of class TField. | |
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Ensures that components inserted at design time have their design-mode flag set. | |
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Ensures that components inserted at design time have their design-mode flag set. | |
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This is SetDisplayFormat, a member of class TNumericField. | |
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This is SetEditFormat, a member of class TNumericField. | |
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This is SetFieldKind, a member of class TField. | |
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Sets the csInline bit of the component's ComponentState property | |
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Sets the value of the Name property. | |
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Sets the parent component. | |
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This is SetParentField, a member of class TField. | |
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This is SetSize, a member of class TField. | |
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This is SetText, a member of class TField. | |
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This is SetVarValue, a member of class TField. | |
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This is SetVarValue, a member of class TIntegerField. | |
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This is SetWideText, a member of class TField. | |
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Clears the csUpdating state in the component's ComponentState property when the component finishes updating. | |
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Provides the interface for a method that adds type library and version information to the Registry on components that implement COM interfaces. | |
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Sets the csUpdating state in the component's ComponentState property. | |
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Determines whether an object can be inserted into a container. | |
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Provides the interface for a method that validates an child component before it is inserted. | |
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Ensures that renaming an owned component does not create name conflict. | |
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Writes the state of the component. |
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Name |
Description |
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Increments the reference count for this interface. | |
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Decrements the reference count for this interface. | |
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Responds after the last constructor has executed. | |
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Copies the contents of another, similar object. | |
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Copies the Value property from another field component or assigns another object to the field component. | |
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Performs any necessary actions before the first destructor is called. | |
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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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Sets the value of the field to NULL. | |
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Creates an instance of TWordField. | |
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Provides the interface for a method that processes message records. | |
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Disposes of the component and its owned components. | |
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Destroys the TPersistent instance and frees its memory. | |
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Destroys an instance of TField. | |
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Disposes of an object instance. | |
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Destroys all owned components. | |
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Indicates that the component and its owned components are about to be destroyed. | |
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Calls message-handling methods for the object, based on the contents of the Message parameter. | |
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Checks if the current instance and the parameter are equal. | |
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Executes an action. | |
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This is the overview for the FieldAddress method overload. | |
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Indicates whether a given component is owned by the component. | |
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Forces a form's focus to the first data-aware component associated with the field object. | |
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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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Ensures that AComponent is notified that the component is going to be destroyed. | |
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Frees the interface reference for components that were created from COM classes. | |
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Returns a reference to the component associated by the implementing class. | |
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Returns the unformatted data for the field. | |
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Returns a TComponent 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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Returns the containing Component. | |
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Returns the component which directs the loading and saving of the field. | |
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Verifies whether the component has a parent. | |
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Returns true, indicating that field components act as part of a larger composite. | |
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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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Establishes the component as the owner of a specified component. | |
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Returns the size in bytes of each instance of the object type. | |
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Indicates whether the field represents the data in a binary large object (BLOB) field. | |
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Indicates whether the component implements a specified interface. | |
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Indicates whether a particular character is valid for the field. | |
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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 a reference to a specified interface if the object supports that interface. | |
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Establishes or removes internal links that cause this component to be notified when the implementer of a specified interface is destroyed. | |
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Loads LookupList with all the values for LookupResultField that match distinct values of LookupKeyFields. | |
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Removes a specified component specified from the component's Components list. | |
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Disables destruction notification that was enabled by FreeNotification | |
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Handles exceptions in methods declared using the safecall calling convention. | |
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Handles exceptions in methods declared using the safecall calling convention. | |
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Assigns unformatted data to the field. | |
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Provides the interface for a method that can set the DataType for the field. | |
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Sets the parent component. | |
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Identifies whether the component is a subcomponent. | |
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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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Updates the state of an action. | |
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Generates an OnValidate event. |
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Name |
Description |
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This is AsAnsiString, a member of class TField. | |
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Represents the field's value as a TBcd value. | |
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Represents the field's value as a boolean value. | |
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Represents the field's value as an array of bytes. | |
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Represents the field's value as a Currency value. | |
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Represents the field's value as a TDateTime value. | |
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This is AsExtended, a member of class TField. | |
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Represents the field's value as a double value. | |
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Represents the field's value as a 32-bit integer. | |
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Represents the field's value as a TSQLTimeStamp. | |
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Represents the field's value as a string (Delphi) or an AnsiString (C++). | |
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This is AsWideString, a member of class TField. | |
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Specifies the name of an attribute set in the data dictionary to apply to the field component. | |
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Determines whether the value of the field is calculated by the OnCalcFields event handler of its dataset. | |
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Specifies whether a field can be modified. | |
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Specifies the interface reference implemented by the component. | |
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Indicates the number of components owned by the component. | |
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Indicates the position of the component in its owner's Components property array. | |
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Lists all components owned by the component. | |
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Describes the current state of the component, indicating when a component needs to avoid certain actions. | |
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Governs the behavior of the component. | |
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Represents the current value of the field component including changes made by other users of the database. | |
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Identifies the dataset to which a field component belongs. | |
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Indicates the amount of memory needed to store a field component's value. | |
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Identifies the data type of the field component. | |
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Contains information used by the Form designer. | |
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Represents the name of the field for display purposes. | |
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Represents the field's value as it is displayed in a data-aware control. | |
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Contains a mask that restricts the data that can be entered into a data field. | |
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Provides read-only access to the EditMask property. | |
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Indicates the ordinal position of the field's column in the underlying table or query result. | |
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Indicates the field name qualified by the full name of the parent field, if any. | |
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Indicates whether a field is an index field. | |
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Indicates whether the field has a value assigned to it. | |
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Determines whether the field is specified as a lookup field. | |
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Indicates a cache of values from the LookupDataSet indexed by a set of values from the KeyFields property. | |
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Represents the current value of the field component including pending cached updates. | |
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Indicates the number of bytes added to the end of the current record buffer in the dataset for storing cached values (for calculated fields or BLOB fields). | |
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Represents the original value of the field (as a Variant). | |
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Indicates the component that is responsible for streaming and freeing this component. | |
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Specifies the TObjectField object from which this field is derived. | |
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Indicates the size used in the definition of the physical database field for data types that support different sizes. | |
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Contains the string to display in a data-aware control when the field is in edit mode. | |
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Specifies the characters that can be included in the text representation of the field's value. | |
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Represents the data in a field component. | |
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Represents the value of the integer field. | |
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Represents information used internally by components that support COM. |
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Name |
Description |
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Occurs immediately after the data in the field is written to the record buffer. | |
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Occurs when the DisplayText or Text properties of the field are referenced. | |
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Occurs when the Text property is assigned a value. | |
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Occurs just before the data is written to the record buffer. |
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Name |
Description |
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Determines how the field's data is displayed within a data-aware control. | |
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Determines how the field's data is displayed within a data-aware control. | |
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Indicates whether the field values can be generated by the server rather than entered by the user. | |
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Specifies a customized error message that appears when the user tries to set a value that violates the data constraints of the field. | |
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Specifies an SQL string the enforces any application-specific constraints on the field's value. | |
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Specifies an SQL expression that is assigned to the field if the user does not provide a value. | |
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Determines how a numeric field's value is formatted for display in a data-aware control. | |
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Contains the text to display in the corresponding column heading of a data grid. | |
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Specifies the number of characters that should be used to display a field's value by a cooperating data-aware control. | |
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Determines how a numeric field's value is formatted when it is being edited in a data-aware control. | |
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Indicates whether a field represents a column in a dataset, a calculated field, or a lookup field. | |
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Indicates the name of the physical column in the underlying table or query result to which a field component is bound. | |
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Indicates whether field values are constrained. | |
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Represents an SQL clause that enforces constraints stored on the server. | |
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Specifies the field component's index in the Fields property of the dataset. | |
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Identifies the field or fields in the dataset that must be matched in a lookup dataset when doing a lookup. | |
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Determines whether the values of a lookup field are cached or looked up dynamically every time the current record in the dataset changes. | |
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Identifies the dataset used to look up field values. | |
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Identifies the field or fields in the lookup dataset to match when doing a lookup. | |
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Identifies the field from the lookup dataset whose value becomes the Value property of the field component. | |
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Limits the maximum value in the integer field. | |
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Limits the minimum value in the integer field. | |
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Specifies the name of the component as referenced in code. | |
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Indicates the name of the field in its original database table. | |
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Specifies how a provider uses the field value when applying updates. | |
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Determines whether the field can be modified. | |
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Specifies whether a nonblank value for a field is required. | |
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Stores an integer value as part of a component. | |
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Determines whether the field appears in a data grid. |
Copyright(C) 2009 Embarcadero Technologies, Inc. All Rights Reserved.
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