{"id":12042,"date":"2019-07-26T09:05:14","date_gmt":"2019-07-26T13:05:14","guid":{"rendered":"https:\/\/ibkrcampus.com\/?p=12042"},"modified":"2023-01-20T15:09:22","modified_gmt":"2023-01-20T20:09:22","slug":"api-ibkr-tws-color-grouping-windows","status":"publish","type":"post","link":"https:\/\/www.interactivebrokers.com\/campus\/ibkr-quant-news\/api-ibkr-tws-color-grouping-windows\/","title":{"rendered":"API Integration with IBKR TWS Color Grouping Windows"},"content":{"rendered":"\n<figure class=\"wp-block-image\"><img decoding=\"async\" data-src=\"\/campus\/wp-content\/uploads\/sites\/2\/2019\/07\/API-TWS-Color-Grouping.png\" alt=\"API Integration with IBKR TWS Color Grouping Windows\" class=\"wp-image-12051 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">TWS Color Grouping Windows are identified by a <em>color chain<\/em>, as you can see in the <a href=\"https:\/\/www.interactivebrokers.com\/en\/software\/tws\/usersguidebook\/mosaic\/group_windows.htm\">Users\u2019 Guide<\/a> screenshot below. In the <a href=\"\/campus\/category\/ibkr-quant-news\/api_development\/\">API<\/a>, an integer number serves to map these specific colors and the function <code>displayGroupList<\/code> facilitates the integration.<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" data-src=\"\/campus\/wp-content\/uploads\/sites\/2\/2019\/07\/TWS-Color-Grouping.png\" alt=\"\" class=\"wp-image-12086 lazyload\" width=\"401\" height=\"274\" data-srcset=\"https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2019\/07\/TWS-Color-Grouping.png 401w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2019\/07\/TWS-Color-Grouping-400x273.png 400w\" data-sizes=\"(max-width: 401px) 100vw, 401px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 401px; aspect-ratio: 401\/274;\" \/><figcaption>Source: TWS Users&#8217; Guide<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Let\u2019s take a look at this scenario from our <a href=\"https:\/\/interactivebrokers.github.io\/tws-api\/display_groups.html\">GitHub Reference Guide<\/a> using <code>IBApi.EClient.queryDisplayGroups<\/code>. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">First, API users invoke the function <code>IBApi.EWrapper.displayGroupList<\/code>&nbsp;to query the <em>Groups<\/em>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The function returns a list of groups, in a format of integers separated by an \u201cI\u201d character like this &#8220;4|1|2|5|3|6|7&#8221;.  See Python example from the <a href=\"https:\/\/interactivebrokers.github.io\/tws-api\/display_groups.html\">GitHub Guide<\/a> below.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>class TestWrapper(wrapper.EWrapper): <br><\/code><br><code>def displayGroupList(self, reqId: int, groups: str):<br>    super().displayGroupList(reqId, groups)<br>    print(\"DisplayGroupList. ReqId:\", reqId, \"Groups\", groups)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Next, in order to integrate with a specific group, API users have to subscribe to the group, using the function <code>IBApi.EClient.subscribeToGroupEvents<\/code>. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Finally, the Group Window in TWS can display a certain contract by invoking the API function&nbsp;<code>IBApi.EClient.updateDisplayGroup<\/code>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Visit <a href=\"https:\/\/interactivebrokers.github.io\/tws-api\/display_groups.html\">GitHub<\/a> for additional samples in Java, C++ or C#, and for instructions on how to unsubscribe from the <em>Group Events<\/em>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to code API Functions to integrate with IBKR TWS Color Grouping Windows. GitHub samples available in Python, Java, C++ and C#.<\/p>\n","protected":false},"author":90,"featured_media":12051,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[345,346,340,347,343,349,338,352,344],"tags":[851,854,865,575,596,595],"contributors-categories":[13576],"class_list":["post-12042","post","type-post","status-publish","format-standard","has-post-thumbnail","category-c-sharp-development","category-c-plusplus-development","category-api-development","category-java-development","category-programing-languages","category-python-development","category-ibkr-quant-news","category-quant-north-america","category-quant-regions","tag-algo-trading","tag-cplusplus","tag-github","tag-ibkr-api","tag-java","tag-python","contributors-categories-interactive-brokers"],"pp_statuses_selecting_workflow":false,"pp_workflow_action":"current","pp_status_selection":"publish","acf":[],"yoast_head":"<!-- This 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