Parameters

provider

A IFormatProvider interface that supplies an object that provides culture-specific formatting information. Can be a null reference. [Edit]

format

A string containing zero or more format specifications. [Edit]

args

A object array to be formatted. [Edit]

Returns

A string containing a copy of format in which the format specifications have been replaced by the string equivalent of the corresponding instances of object in args . [Edit]

Exceptions

Type	Reason
ArgumentNullException	format or args is a null reference. [Edit]
FormatException	format is invalid. -or- The number indicating an argument to be formatted (N) is less than zero, or greater than or equal to the length of the args array. [Edit]

Remarks

If an object referenced in the format string is a null reference, an empty string is used in its place.

The format parameter string is embedded with zero or more format specifications of the form, {N [, M ][: formatString ]}, where N is a zero-based integer indicating the argument to be formatted, M is an optional integer indicating the width of the region to contain the formatted value, and formatString is an optional string of formatting codes.

Note: For more information on the format specification see the string class overview.

[Edit]

Requirements

Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0