65 lines
1.4 KiB
Markdown
65 lines
1.4 KiB
Markdown
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# Anchor (Get Method)
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Gets anchor type of the "Arrow" object
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```
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ENUM_ARROW_ANCHOR Anchor() const
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```
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Return Value
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Anchor type of the "Arrow" object assigned to the class instance (to the chart). If there is no object assigned, it returns WRONG_VALUE.
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# Anchor (Set Method)
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Sets anchor type for the "Arrow" object
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```
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bool Anchor(
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ENUM_ARROW_ANCHOR anchor // anchor type
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)
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```
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Parameters
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anchor
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[in] New anchor type value
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Return Value
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true - successful, false - cannot change the anchor type.
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Example:
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```
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//--- example for CChartObject::Anchor
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#include <ChartObjects\ChartObjectsArrows.mqh>
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//---
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void OnStart()
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{
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CChartObjectArrow arrow;
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ENUM_ARROW_ANCHOR anchor=ANCHOR_BOTTOM;
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//--- set object parameters
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double price=SymbolInfoDouble(Symbol(),SYMBOL_BID);
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if(!arrow.Create(0,"Arrow",0,TimeCurrent(),price,181))
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{
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//--- arrow create error
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printf("Arrow create: Error %d!",GetLastError());
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//---
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return;
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}
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//--- get anchor of arrow
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if(arrow.Anchor()!=anchor)
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{
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//--- set anchor of arrow
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arrow.Anchor(anchor);
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}
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//--- use arrow
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//--- . . .
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}
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```
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