RAD Studio VCL Reference
ContentsIndex
TCustomVariantType Members Public Methods
Public Methods
 
Name 
Description 
 
Responds after the last constructor has executed. 
 
Responds before the first destructor executes. 
 
Implements any binary operations of which the custom System::Variant type is capable. 
 
Cast 
Converts the data from another System::Variant type so that it represents this custom type's data format. 
 
Converts data in the format of this TCustomVariantType to the format of another System::Variant type. 
 
Converts data in the format of this custom System::Variant type to a format that can be used by COM Variants
 
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. 
 
Sets the data for this custom System::Variant type to a blank or unassigned value. 
 
Implements comparisons that involve the custom System::Variant type. 
 
Implements any comparison operations of which the custom System::Variant type is capable. 
 
Copy 
Copies the data from a System::Variant of this custom type. 
 
This is the overview for the Create constructor overload. 
 
Provides the interface for a method that processes message records. 
 
Frees an instance of TCustomVariantType
 
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. 
 
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. 
 
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. 
 
Indicates whether the data from a custom System::Variant represents a blank or unassigned value. 
 
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. 
 
Implements any unary operations of which the custom System::Variant type is capable. 
 
Returns a string containing the unit name. 
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