58 lines
1.4 KiB
Markdown
58 lines
1.4 KiB
Markdown
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# Save
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Saves object parameters to file.
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```
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virtual bool Save(
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int file_handle // file handle
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)
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```
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Parameters
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file_handle
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[in] handle of file opened previously using the FileOpen(...) function.
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Return Value
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true - successful, false - error.
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Example:
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```
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//--- example for CChartObjectArrow::Save
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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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int file_handle;
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CChartObjectArrow arrow;
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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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//--- open file
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file_handle=FileOpen("MyFile.bin",FILE_WRITE|FILE_BIN|FILE_ANSI);
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if(file_handle>=0)
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{
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if(!arrow.Save(file_handle))
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{
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//--- file save error
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printf("File save: Error %d!",GetLastError());
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FileClose(file_handle);
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//---
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return;
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}
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FileClose(file_handle);
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}
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}
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```
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