RAD Studio VCL Reference
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Functions

The following table lists functions in this documentation.

 
Name 
Description 
 
Activates a group of classes that derive from TPersistent
 
Activates a group of classes that derive from TPersistent
 
DeallocateHWnd is used to destroy a hidden window created using AllocateHWnd. 
 
AncestorIsValid determines if one component is an ancestor of another. 
 
This is function Classes.BeginGlobalLoading. 
 
Converts a binary value into its hexadecimal representation. 
 
Creates a TRect structure from the top-left coordinate, and width and height values of a rectangle. 
 
Allows background threads to synchronize their execution with the main thread. 
 
Returns the group of persistent classes a specified class or instance belongs to. 
 
Returns the group of persistent classes a specified class or instance belongs to. 
 
Compares the contents of two collections. 
 
Returns the number of intermediate classes between a derived class and its ancestor. 
 
Frees a window that was created using AllocateHWnd
 
This is function Classes.EndGlobalLoading. 
 
Fills a string list with substrings parsed from a delimited list. 
 
Finds and returns a class that is derived from TPersistent
 
Returns a top-level container component. 
 
Returns the TIdentToInt conversion routine for a given data type. 
 
Returns the TIntToIdent conversion routine for a given data type. 
 
FindNestedComponent returns a component contained within another. 
 
This is function Classes.FindRootDesigner. 
 
This is function Classes.FreeObjectInstance. 
 
Returns a registered persistent class given its name. 
 
This is function Classes.GetFixupInstanceNames. 
 
This is function Classes.GetFixupReferenceNames. 
 
Returns the top-level owner of a specified persistent object. 
 
Returns the top-level owner of a specified persistent object. 
 
Returns the top-level owner of a specified persistent object. 
 
This is function Classes.GlobalFixupReferences. 
 
Adds a specified class to the group in which another class appears. 
 
Converts a string of hexadecimal digits to the corresponding binary value. 
 
Uses a mapping array to convert string identifiers into their corresponding integer values. 
 
This is function Classes.InitComponentRes. 
 
Initializes streaming of a form file for an inherited root class. 
 
Uses a mapping array to convert integers into their corresponding string identifiers. 
 
Indicates whether a specified point is equal to (-1,-1). 
 
Indicates whether a specified point is equal to (-1,-1). 
 
Indicates whether a specified point is equal to (-1,-1). 
 
This is function Classes.IsDefaultPropertyValue. 
 
Indicates whether a proposed component name is unambiguous. 
 
Finds the end of the last whole line in a buffer. 
 
This is function Classes.MakeObjectInstance. 
 
This is function Classes.NotifyGlobalLoading. 
 
Converts the binary representation of an object into more readily understandable text. 
 
Converts the binary representation of an object into more readily understandable text. 
 
Converts the binary representation of an object resource into more readily understandable text. 
 
Converts the binary representation of an object resource into more readily understandable text. 
 
Converts a symbolic text representation of an object into the binary version that is used to save the object to files or memory streams. 
 
Converts a symbolic text representation of an object into the binary version that is used to save the object to files or memory streams. 
 
Converts a symbolic text representation of an object into an internal binary representation. 
 
Converts a symbolic text representation of an object into an internal binary representation. 
 
Creates a TPoint structure from a pair of coordinates. 
 
Indicates whether two points have the same coordinates. 
 
Indicates whether two points have the same coordinates. 
 
Reads components and their properties from a specified resource. 
 
Reads a component from a resource. 
 
Reads components and their properties from a specified Windows resource file. 
 
Rect 
Creates a TRect structure from a set of coordinates. 
 
Rect 
Creates a TRect structure from a set of coordinates. 
 
This is function Classes.RedirectFixupReferences. 
 
Registers a class of persistent object so that it's class type can be retrieved. 
 
Registers a class that is identical to another class except for the name. 
 
Registers a set of classes. 
 
Registers a set of components so that they all appear on the same page of the component palette. 
 
This is function Classes.RegisterFindGlobalComponentProc. 
 
Registers conversion functions for string identifiers that represent type values. 
 
Registers a set of components but does not add them to the component palette. 
 
Prevents a set of components from being made available to the ActiveX wizard. 
 
This is function Classes.RemoveFixupReferences. 
 
This is function Classes.RemoveFixups. 
 
Creates a TSmallPoint structure from a pair of coordinates. 
 
Starts a class group derived from TPersistent
 
Identifies the format of a form file when reading it from a stream. 
 
Unregisters an object class. 
 
Unregisters a set of classes. 
 
This is function Classes.UnregisterFindGlobalComponentProc. 
 
Unregisters conversion functions for string identifiers that represent type values. 
 
Unregisters all classes defined in a specified module. 
 
Writes components and their properties to a file using a resource file format. 
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