Program Properties (#property)
Overview
.mq4 file; properties in included files are ignored.#property identifier value.Properties
| Identifier | Type | Description |
|---|---|---|
| strict | N/A | Compiler directive for strict compilation mode. |
| icon | string | Path to ICO file for EX4 program icon. Path follows resource rules. Must be in the main module. |
| link | string | URL to the company website. |
| copyright | string | Company name. |
| version | string | Program version (max 31 characters). |
| description | string | Brief program description. Multiple description properties are allowed; total length (including line feeds) max 511 characters. |
| stacksize | int | MQL4 program stack size. Default: 8MB for scripts/EAs and strategy tester; 1MB for indicators. |
| library | N/A | Declares the program as a library. No start function assigned. Functions with export modifier can be imported. |
| indicator_chart_window | N/A | Displays the indicator in the main chart window. |
| indicator_separate_window | N/A | Displays the indicator in a separate subwindow. |
| indicator_height | int | Fixed height of the indicator subwindow in pixels. |
| indicator_minimum | double | Bottom scaling limit for a separate indicator window. |
| indicator_maximum | double | Top scaling limit for a separate indicator window. |
| indicator_labelN | string | Label for the Nth graphic series in DataWindow. |
| indicator_colorN | color | Color for the Nth graphic series (N starts from 1). |
| indicator_widthN | int | Thickness for the Nth graphic series (N starts from 1). |
| indicator_styleN | int | Line style for the Nth graphic series (N starts from 1). Uses ENUM_LINE_STYLE. |
| indicator_typeN | int | Drawing style for the Nth graphic series (N starts from 1). |
| indicator_levelN | double | Horizontal level value for N in a separate indicator window. |
| indicator_levelcolor | color | Color of horizontal indicator levels. |
| indicator_levelwidth | int | Thickness of horizontal indicator levels. |
| indicator_levelstyle | int | Style of horizontal indicator levels. |
| script_show_confirm | N/A | Displays a confirmation window before script execution. |
| script_show_inputs | N/A | Displays input properties window before script execution, disabling the confirmation window. |
| tester_file | string | File name from tester_indicator | string | Indicator file name from tester_library | string | Library file name from
Notes
tester_file, tester_indicator, and tester_library are required for virtual hosting file dependencies.iCustom() with fixed names and all used libraries are copied automatically during migration.