73 lines
2.3 KiB
Markdown
73 lines
2.3 KiB
Markdown
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# GetMicrosecondCount
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The GetMicrosecondCount() function returns the number of microseconds that have elapsed since the start of MQL5-program.
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```
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ulong GetMicrosecondCount();
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```
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Return Value
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Value of ulong type.
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Example:
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```
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//+------------------------------------------------------------------+
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//| Test function |
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//+------------------------------------------------------------------+
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void Test()
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{
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int res_int=0;
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double res_double=0;
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//---
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for(int i=0;i<10000;i++)
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{
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res_int+=i*i;
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res_int++;
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res_double+=i*i;
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res_double++;
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}
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}
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//+------------------------------------------------------------------+
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//| Script program start function |
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//+------------------------------------------------------------------+
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void OnStart()
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{
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uint ui=0,ui_max=0,ui_min=INT_MAX;
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ulong ul=0,ul_max=0,ul_min=INT_MAX;
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//--- number of measurements
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for(int count=0;count<1000;count++)
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{
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uint ui_res=0;
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ulong ul_res=0;
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//---
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for(int n=0;n<2;n++)
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{
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//--- select measurement type
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if(n==0) ui=GetTickCount();
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else ul=GetMicrosecondCount();
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//--- execute code
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Test();
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//--- add measurement result (depending on type)
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if(n==0) ui_res+=GetTickCount()-ui;
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else ul_res+=GetMicrosecondCount()-ul;
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}
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//--- calculate minimum and maximum time for both measurements
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if(ui_min>ui_res) ui_min=ui_res;
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if(ui_max<ui_res) ui_max=ui_res;
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if(ul_min>ul_res) ul_min=ul_res;
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if(ul_max<ul_res) ul_max=ul_res;
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}
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//---
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Print("GetTickCount error(msec): ",ui_max-ui_min);
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Print("GetMicrosecondCount error(msec): ",DoubleToString((ul_max-ul_min)/1000.0,2));
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}
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```
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See also
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[Date and Time](/en/docs/dateandtime), [GetTickCount](/en/docs/common/gettickcount), [GetTickCount64](/en/docs/common/gettickcount64)
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