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String.Format Method (String, Object)

Replaces one or more format items in a specified string with the string representation of a specified object.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

'Declaration
Public Shared Function Format ( _
	format As String, _
	arg0 As Object _
) As String

Parameters

format
Type: System.String

A composite format string.

arg0
Type: System.Object

The object to format.

Return Value

Type: System.String
A copy of format in which any format items are replaced by the string representation of arg0.

ExceptionCondition
ArgumentNullException

format is Nothing.

FormatException

The format item in format is invalid.

-or-

The index of a format item is not zero.

NoteNote

For examples and comprehensive usage information about this and other overloads of the Format method, see the Format overload summary.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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