M[i]和W[i]为什么都得0，而不是最大值和最小值呢？

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  1. //+------------------------------------------------------------------+

  3. //| MW.mq4 |

  5. //| Copyright ?2008, MetaQuotes Software Corp. |

  7. //| [url]http://www.metaquotes.net[/url] |

  9. //+------------------------------------------------------------------+

  11. #property copyright "Copyright ?2008, MetaQuotes Software Corp."

  13. #property link "http://www.metaquotes.net"



  17. #property indicator_chart_window

  19. #property indicator_buffers 2

  21. #property indicator_color1 Green

  23. #property indicator_color2 Red



  27. double W[];

  29. double M[];

  31. double BufferW[];

  33. double BufferM[];



  37. //+------------------------------------------------------------------+

  39. //| Custom indicator initialization function |

  41. //+------------------------------------------------------------------+

  43. int init()

  45. {

  47. //---- indicator buffers mapping

  49. SetIndexBuffer(0,BufferW);

  51. SetIndexBuffer(1,BufferM);

  53. //---- indicators

  55. SetIndexStyle(0,DRAW_ARROW);

  57. SetIndexStyle(1,DRAW_ARROW);

  59. SetIndexArrow(0,217);

  61. SetIndexArrow(1,218);

  63. //---- name for DataWindow and indicator subwindow label

  65. IndicatorShortName("MW");

  67. SetIndexLabel(0,"买");

  69. SetIndexLabel(1,"卖");



  73. //----

  75. return(0);

  77. }

  79. //+------------------------------------------------------------------+

  81. //| Custom indicator deinitialization function |

  83. //+------------------------------------------------------------------+

  85. int deinit()

  87. {

  89. //----



  93. //----

  95. return(0);

  97. }

  99. //+------------------------------------------------------------------+

  101. //| Custom indicator iteration function |

  103. //+------------------------------------------------------------------+

  105. int start()

  107. {

  109. int limit;

  111. int counted_bars=IndicatorCounted();

  113. //---- last counted bar will be recounted

  115. if(counted_bars>0) counted_bars--;

  117. limit=Bars-counted_bars;

  119. //---- macd counted in the 1-st buffer

  121. for(int i=0; i<limit; i++)

  123. M[i]=MathMax(Close[i],Open[i]);

  125. W[i]=MathMin(Close[i],Open[i]);

  127. Alert(GetLastError());

  129. //---- signal line counted in the 2-nd buffer

  131. for(i=0; i<limit-2; i++)

  133. {

  135. if( M[i+1]>M[i] && M[i+1]>M[i+2] )

  137. {

  139. BufferM[i]=High[i];

  141. }

  143. if( W[i+1]<W[i] && W[i+1]<W[i+2])

  145. {

  147. BufferW[i]=Low[i];

  149. }

  151. }

  153. //----

  155. return(0);

  157. }

  159. //+------------------------------------------------------------------+
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