Guid Constructor (String)

Guid Constructor (String^)

 

Initializes a new instance of the Guid structure by using the value represented by the specified string.

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

public:
Guid(
	String^ g
)

Parameters

g
Type: System::String^

A string that contains a GUID in one of the following formats ("d" represents a hexadecimal digit whose case is ignored):

32 contiguous digits:

dddddddddddddddddddddddddddddddd

-or-

Groups of 8, 4, 4, 4, and 12 digits with hyphens between the groups. The entire GUID can optionally be enclosed in matching braces or parentheses:

dddddddd-dddd-dddd-dddd-dddddddddddd

-or-

{dddddddd-dddd-dddd-dddd-dddddddddddd}

-or-

(dddddddd-dddd-dddd-dddd-dddddddddddd)

-or-

Groups of 8, 4, and 4 digits, and a subset of eight groups of 2 digits, with each group prefixed by "0x" or "0X", and separated by commas. The entire GUID, as well as the subset, is enclosed in matching braces:

{0xdddddddd, 0xdddd, 0xdddd,{0xdd,0xdd,0xdd,0xdd,0xdd,0xdd,0xdd,0xdd}}

All braces, commas, and "0x" prefixes are required. All embedded spaces are ignored. All leading zeros in a group are ignored.

The digits shown in a group are the maximum number of meaningful digits that can appear in that group. You can specify from 1 to the number of digits shown for a group. The specified digits are assumed to be the low-order digits of the group.

Exception Condition
ArgumentNullException

g is null.

FormatException

The format of g is invalid.

OverflowException

The format of g is invalid.

The alphabetic hexadecimal digits in the g parameter can be uppercase or lowercase. For example, the following strings represent the same GUID:

"ca761232ed4211cebacd00aa0057b223"

"CA761232-ED42-11CE-BACD-00AA0057B223"

"{CA761232-ED42-11CE-BACD-00AA0057B223}"

"(CA761232-ED42-11CE-BACD-00AA0057B223)"

"{0xCA761232, 0xED42, 0x11CE, {0xBA, 0xCD, 0x00, 0xAA, 0x00, 0x57, 0xB2, 0x23}}"

The following example passes each string listed in the Remarks section to the Guid(String^) constructor.

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

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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