StringBuilder

Capacity (get)	Returns the buffer size of the string value.
Capacity (let)	Sets the amount of memory allocated in characters.
Chars (get)	Returns a character from the string value.
Chars (let)	Sets a character in the string value.
FillCharacter (get)	Returns the fill character used to pad empty space.
FillCharacter (let)	Sets the fill character used to pad empty space.
Length (get)	Returns the length of the current string value.
Length (let)	Sets the length of the current string value.

Append	Appends a string to the current string value.
AppendChar	Appends a Unicode character a specified number of times to the end of string value.
AppendFormat	Appends a string with formatted arguments.
AppendFormatEx	Appends a string with formatted arguments using the supplied provider.
AppendLine	Appends the supplied string and a Carriage-Return/Linefeed to the end of the StringBuilder.
AppendString	This function is designed to append strings quickly.
CopyTo	Copies a set of characters from the StringBuilder into a character array.
EnsureCapacity	Ensures that the internal buffer has atleast the requested amount.
Equals	Returns a boolean indicating if the value and this object instance are the same instance.
GetHashCode	Returns a pseudo-unique number identifying this instance.
Insert	Inserts a string into the current string value.
InsertChars	Inserts an array of characters into the string value.
Remove	Removes a number of characters from the string value.
Replace	Replaces a substring in the string value with a new string.
ToString	Returns the current version of the string value.