SqlChars::Read Method (Int64, array<Char>^, Int32, Int32)
Copies characters from this SqlChars instance to the passed-in buffer and returns the number of copied characters.
Assembly: System.Data (in System.Data.dll)
public: long long Read( long long offset, array<wchar_t>^ buffer, int offsetInBuffer, int count )
Parameters
- offset
-
Type:
System::Int64
An Int64long value offset into the value that is contained in the SqlChars instance.
- buffer
-
Type:
array<System::Char>^
The character array buffer to copy into.
- offsetInBuffer
-
Type:
System::Int32
An Int32 integer offset into the buffer to start copying into.
- count
-
Type:
System::Int32
An Int32 integer value representing the number of characters to copy.
If an attempt is made to read beyond MaxLength, an exception is thrown.
If count specifies more characters to be copied than are available from the offsetInBuffer to the end of the value, only the available characters are copied.
An exception is thrown if the destination buffer is a null reference.
An exception is thrown if the destination buffer cannot receive as many characters as requested.
Available since 2.0