Mt4 sleep
During its operations, an Expert Advisor sometimes mt4 sleep situations in which mt4 sleep must make pauses radio 2 twitter operations. This may be caused both by the necessity to meet the requirement of holding a certain interval between repeated requests to the trade server in case of execution errors and by waiting for a certain event for example, for reconnection to the server, for free trade context, etc, mt4 sleep. For realization of pauses, MQL4 has a function named Sleep that takes as a parameter the value of the time interval expressed in the amount of milliseconds.
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Mt4 sleep
This function introduces a comment defined by a user into the upper left corner of a chart window. Parameters can be of any type. Number of parameters cannot exceed Arrays cannot be passed to the Comment function. Arrays should be introduced elementwise. Data of double type are written with 4 digits after the decimal point. For showing figures with accuracy use the DoubleToStr function. Bool, datetime and color types will be written as digits. To show data of datetime type as a string use the TimeToStr function. Example of using this function can be a simple EA comment. At the program beginning the total number of orders is counted by the OrdersTotal function. If the Orders variable number of orders is equal to 0, the Comment function with "No orders" parameter is executed.
In some cases it is very useful to use sounds.
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Mt4 sleep
During its operations, an Expert Advisor sometimes produces situations in which it must make pauses between operations. This may be caused both by the necessity to meet the requirement of holding a certain interval between repeated requests to the trade server in case of execution errors and by waiting for a certain event for example, for reconnection to the server, for free trade context, etc. For realization of pauses, MQL4 has a function named Sleep that takes as a parameter the value of the time interval expressed in the amount of milliseconds. The Sleep function stops the execution of the program code and allows its continuation only after the given time interval has passed. In my opinion, the use of this function has two disadvantages. First, machine time is used impractically: during the pause in the actions of one type, the program could perform the actions of another type independent on the former one for example, during a pause in trades, the program could perform some calculations, monitor arriving ticks, etc. Second, which is more essential, function Sleep cannot be called from custom indicators see Documentation. However, a programming language must be used for programming!
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Parameters can be of any type. If there is at least one order, Comment with a list of parameters comma separated will be executed. For the reproduction of sound files PlaySound function is used. The Sleep function suspends execution of the current expert within the specified interval. The function cannot be called from a custom indicator, because indicators are executed in the interface thread and may not decelerate it. Visual Testing of the Profitability of Indicators and Alerts What indicator of trading alerts or just the methods of their calculating to use is usually decided when testing EAs using these alerts. You can test your strategies both on custom symbols, and the ones provided by the trade server. During its operations, an Expert Advisor sometimes produces situations in which it must make pauses between operations. Dialog box displayed as a result of MessageBox execution. In this case 3 parameters are used: the first one is a string value "Available", second is an integer value Orders and the third one is a string value "orders. All components of the fifth generation platform terminal and trading server are developed with the maximum time efficiency in mind and are subjected to internal stress tests for performance under high-load conditions. This function introduces a comment defined by a user into the upper left corner of a chart window. Very useful! Alternative 1 using cycle 'while'. You agree to website policy and terms of use.
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In the current session of the EA execution the message box will not be shown again. Second, function Sleep allows you to set a pause with a step of 0. Second, which is more essential, function Sleep cannot be called from custom indicators see Documentation. Attached files Download ZIP. For example, if a user left his computer and a message box was shown at this moment, during the whole time when a user is absent until a button is pressed , the program will be waiting for response and no code will be executed in this period. Comment Displays a comment defined by a user in the upper loft corner of a chart window. Client Terminal gives a large range of means for development and use of mechanical trading systems MTS, experts, advisors. Comment Function void Comment In some cases a program can be written to support a dialog with a user. Displays a message box containing user-defined data. Dialog box displayed as a result of MessageBox execution.
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