RAD Studio VCL Reference
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The following tables list the members exposed by TInvokeableVariantType.
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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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Invokes a method call by dispatching it to the appropriate TInvokeableVariantType method. | |
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Fixes up dispatch identifier. | |
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Indicates whether the left argument to a binary operation should be coerced to a different type. | |
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Indicates the type to which a Variant value must be cast to make it Automation-compatible. | |
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Returns a reference to a specified interface if the object supports that interface. | |
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Generates a system error that indicates an invalid cast. | |
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Generates a system error indicating an invalid dispatch attempt. | |
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Generates a system error indicating an invalid operation. | |
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Indicates whether the right argument to a binary operation should be coerced to a different type. | |
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Clears a TVarData record by re-initializing it. | |
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Performs a simple block copy of one TVarData record to another. | |
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Performs a cast from one Variant type to another. | |
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This is the overview for the VarDataCastTo method overload. | |
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Performs a cast to a Variant type of varOleStr. | |
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Clears the data from a built-in Variant type. | |
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Copies the data from one built-in Variant type to another. | |
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Copies the data from one built-in Variant type to another. | |
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Creates a TVarData record to represent a Unicode string. | |
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Creates a TVarData record to represent a string. | |
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Initializes a TVarData record. | |
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Indicates whether a TVarData record represents the data from a Variant array. | |
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Indicates whether a TVarData record stores its data indirectly. | |
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Indicates whether a TVarData record represents an unassigned optional parameter. | |
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Indicates whether a TVarData record represents a floating-point value. | |
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Indicates whether a TVarData record represents a numeric value. | |
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Indicates whether a TVarData record represents a ordinal value. | |
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Indicates whether a TVarData record represents a string (normal or Unicode). | |
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Returns a string that represents the value from a TVarData record. |
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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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Responds before the first destructor executes. | |
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Implements any binary operations of which the custom Variant type is capable. | |
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Converts the data from another Variant type so that it represents this custom type's data format. | |
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This is CastTo, a member of class TCustomVariantType. | |
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This is CastToOle, a member of class TCustomVariantType. | |
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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 data for this custom Variant type to a blank or unassigned value. | |
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Implements comparisons that involve the custom Variant type. | |
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Implements any comparison operations of which the custom Variant type is capable. | |
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Copies the data from a Variant of this custom type. | |
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Constructs an object and initializes its data before the object is first used. | |
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This is the overview for the Create constructor overload. | |
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Provides the interface for a method that processes message records. | |
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Disposes of an object instance. | |
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Frees an instance of TCustomVariantType. | |
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Calls message-handling methods for the object, based on the contents of the Message parameter. | |
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Implements all methods that return values. | |
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Implements all methods that do not return values. | |
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Returns the address of a published object field. | |
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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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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 the value for any property this Variant type supports. | |
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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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Returns the size in bytes of each instance of the object type. | |
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Indicates whether the data from a custom Variant represents a blank or unassigned value. | |
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This is MethodAddress, a member of class TObject. | |
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This is MethodName, a member of class TObject. | |
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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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Handles exceptions in methods declared using the safecall calling convention. | |
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Sets the value for any property this Variant type supports. | |
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Implements any unary operations of which the custom Variant type is capable. |
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Name |
Description |
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Indicates the Variant type code for the custom Variant type. |
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