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C# Truncate String Text

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  1. public static string Truncate(string sourceText, string ellipsis, int min, int max)
  2. {
  3. 	//If text is shorter than preview length
  4. 	if (sourceText.Length <= max)
  5. 	{
  6. 		return sourceText; //@RETURN break out early if too short
  7. 	}
  8.  
  9. 	//Grab the char at the last position allowed
  10. 	char cutOffChar = sourceText[max];
  11.  
  12. 	int lastPosition = max;
  13.  
  14. 	//While the last char isn't a space, cut back until we hit a space or minimum
  15. 	while (cutOffChar != ' ' && lastPosition > min)
  16. 	{
  17. 		lastPosition--;
  18. 		cutOffChar = sourceText[lastPosition];
  19. 	}
  20.  
  21. 	//Crop text and add some dots
  22. 	string outText = sourceText.Substring(0, lastPosition);
  23. 	outText += ellipsis;
  24.  
  25. 	return outText;
  26. }

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