Is called immediately before a document line changes length. This method will be called whenever the line is changed, even when the length stays as it is. The method might be called multiple times for a single line because a replacement is internally handled as removal followed by insertion.

void SetLineLength(
	DocumentLine line,
	int newTotalLength
)

Sub SetLineLength ( _
	line As DocumentLine, _
	newTotalLength As Integer _
)

void SetLineLength(
	DocumentLine^ line, 
	int newTotalLength
)