public int getAdvanceWidth(char ch)

Returns the advance width of the specified character in the font which is currently selected into the receiver.

The advance width is defined as the horizontal distance the cursor should move after printing the character in the selected font.

Parameters:

ch - the character to measure

Returns:

the distance in the x direction to move past the character before painting the next

Throws:

SWTException -

• ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed

  public static int getStringWidth(String string,Control control){

      int width = 0;
      GC gc = new GC(control);
      for(int i=0;i<string.length();i++){
            char c = string.charAt(i);
            width += gc.getAdvanceWidth(c);

      }

      gc.dispose();

      return width;
  }