MQL4 Reference 
Standard constants Arrow codes
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Predefined Arrow codes enumeration. Arrows code constants. It can be one of the following values:
| Constant | Value | Description |
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| SYMBOL_THUMBSUP | 67 | Thumb up symbol (C). |
| SYMBOL_THUMBSDOWN | 68 | Thumb down symbol (D). |
| SYMBOL_ARROWUP | 241 | Arrow up symbol (ñ). |
| SYMBOL_ARROWDOWN | 242 | Arrow down symbol (ò). |
| SYMBOL_STOPSIGN | 251 | Stop sign symbol (û). |
| SYMBOL_CHECKSIGN | 252 | Check sign symbol (ü). |
Special Arrow codes that exactly points to price and time.
It can be one of the following values:
| Constant | Value | Description |
|---|
| | 1 | Upwards arrow with tip rightwards (↱). |
| | 2 | Downwards arrow with tip rightwards (↳). |
| | 3 | Left pointing triangle (◄). |
| | 4 | En Dash symbol (–). |
| SYMBOL_LEFTPRICE | 5 | Left sided price label. |
| SYMBOL_RIGHTPRICE | 6 | Right sided price label. |
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