IsControl Method (Char)
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Char.IsControl Method (Char)

Indicates whether the specified Unicode character is categorized as a control character.

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

static member IsControl : 
        c:char -> bool 

Parameters

c
Type: System.Char
The Unicode character to evaluate.

Return Value

Type: System.Boolean
true if c is a control character; otherwise, false.

Control characters are non-printing and formatting characters, such as ACK, BEL, CR, FF, LF, and VT. The Unicode standard assigns the following UTF-16 code units to control characters: from \U0000 to \U001F, \U007F, and from \U0080 to \U009F. According to the Unicode standard, these values are to be interpreted as control characters unless their use is otherwise defined by an application. Valid control characters are members of the UnicodeCategory.Control category.

The following example lists the UTF-16 code unit of each of the control characters.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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