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TPublishableVariantType Members

The following tables list the members exposed by TPublishableVariantType.

 
Name 
Description 
 
Responds when the caller acquires a reference to this object's interface. 
 
Responds when the caller releases a reference to this object's interface. 
 
Invokes a method call when the System::Variant supports such operations. 
 
Invokes a method call by dispatching it to the appropriate TInvokeableVariantType method. 
 
Fixes up dispatch identifier. 
 
Returns the object instance that represents the data from a Variant of the custom type. 
 
Indicates whether the left argument to a binary operation should be coerced to a different type. 
 
Indicates the type to which a System::Variant value must be cast to make it Automation-compatible. 
 
Returns a reference to a specified interface if the object supports that interface. 
 
Generates a system error that indicates an invalid cast. 
 
Generates a system error indicating an invalid dispatch attempt. 
 
Generates a system error indicating an invalid operation. 
 
Indicates whether the right argument to a binary operation should be coerced to a different type. 
 
Clears a TVarData record by re-initializing it. 
 
Performs a simple block copy of one TVarData record to another. 
 
Performs a cast from one System::Variant type to another. 
 
This is the overview for the VarDataCastTo method overload. 
 
Performs a cast to a System::Variant type of varOleStr
 
Clears the data from a built-in System::Variant type. 
 
Copies the data from one built-in System::Variant type to another. 
 
Copies the data from one built-in System::Variant type to another. 
 
Creates a TVarData record to represent a Unicode string. 
 
Creates a TVarData record to represent a string. 
 
Initializes a TVarData record. 
 
Indicates whether a TVarData record represents the data from a System::Variant array. 
 
Indicates whether a TVarData record stores its data indirectly. 
 
Indicates whether a TVarData record represents an unassigned optional parameter. 
 
Indicates whether a TVarData record represents a floating-point value. 
 
Indicates whether a TVarData record represents a numeric value. 
 
Indicates whether a TVarData record represents a ordinal value. 
 
Indicates whether a TVarData record represents a string (normal or Unicode). 
 
Returns a string that represents the value from a TVarData record. 
 
Name 
Description 
 
Increments the reference count for this interface. 
 
Decrements the reference count for this interface. 
 
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. 
 
Constructs an object and initializes its data before the object is first used. 
 
This is the overview for the Create constructor overload. 
 
Provides the interface for a method that processes message records. 
 
Disposes of an object instance. 
 
Frees an instance of TCustomVariantType
 
Calls message-handling methods for the object, based on the contents of the Message parameter. 
 
Implements all the methods that return values. 
 
Implements all methods that return values. 
 
Implements all methods that do not return values. 
 
Implements all methods that do not return values. 
 
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. 
 
Returns the value of a published property on the object that GetInstance returns, so that it is available in custom Variants
 
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. 
 
Returns a reference to a specified interface if the object supports that interface. 
 
Handles exceptions in methods declared using the safecall calling convention. 
 
Sets the value of a published property on the object that GetInstance returns, so that it is available in custom Variants
 
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. 
 
Name 
Description 
 
Indicates the System::Variant type code for the custom System::Variant type. 
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