Constructs and initializes a new instance of string using an array of Unicode characters, the index within array at which to start copying characters, and the number of characters to be copied.
Parameters
- value
- An array of Unicode characters.
- startIndex
- A int containing the index within the array referenced by value from which to start copying.
- length
- A int containing the number of characters to copy from the value array. If length is zero, string.Empty is created.
Exceptions
Type Reason ArgumentNullException value is a null reference. ArgumentOutOfRangeException startIndex or length is less than zero.
-or-
The sum of startIndex and length is greater than the number of elements in value .
Remarks
This constructor copies the sequence Unicode characters found at value between indexes startIndex and startIndex + length - 1.
Requirements
Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0