https://community.esri.com/t5/arcgis-pro-sdk-questions/how-to-create-a-custom-category-for-an-added-layer/m-p/1588932#M12676 <P>I am having difficulty being able to create a custom category for adding a map layer through the Operation class that will go into the undo/redo stack using C# and the 3.1 SDK.&nbsp; By default, it appears that the category for a new layer is simply "Mapping."&nbsp; However, I want to add layers that I can find and differentiate them from others in the undo/redo stack with a custom category, like "MyCategory" (or something else).&nbsp; I would ultimately like to be able to make a call to eventually remove these custom layers from the undo/redo stack when they are no longer needed with some code, like <STRONG>map.OperationManager.ClearUndoCategory("MyCategory")</STRONG>.&nbsp; I have tried subclassing the Operation class into a new class that I could define the custom category with, but this doesn't appear to be possible in the 3.1 SDK because "Category" appears to be read only.&nbsp; I have read online that it is possible to assign a custom category to an operation, but haven't found a workable option (including using ChatGPT).&nbsp; Is this possible and if so how would I go about doing it?</P> Tue, 25 Feb 2025 14:23:36 GMT DaveLewis73 2025-02-25T14:23:36Z https://community.esri.com/t5/arcgis-pro-sdk-questions/how-to-create-a-custom-category-for-an-added-layer/m-p/1588932#M12676 <P>I am having difficulty being able to create a custom category for adding a map layer through the Operation class that will go into the undo/redo stack using C# and the 3.1 SDK.&nbsp; By default, it appears that the category for a new layer is simply "Mapping."&nbsp; However, I want to add layers that I can find and differentiate them from others in the undo/redo stack with a custom category, like "MyCategory" (or something else).&nbsp; I would ultimately like to be able to make a call to eventually remove these custom layers from the undo/redo stack when they are no longer needed with some code, like <STRONG>map.OperationManager.ClearUndoCategory("MyCategory")</STRONG>.&nbsp; I have tried subclassing the Operation class into a new class that I could define the custom category with, but this doesn't appear to be possible in the 3.1 SDK because "Category" appears to be read only.&nbsp; I have read online that it is possible to assign a custom category to an operation, but haven't found a workable option (including using ChatGPT).&nbsp; Is this possible and if so how would I go about doing it?</P> Tue, 25 Feb 2025 14:23:36 GMT https://community.esri.com/t5/arcgis-pro-sdk-questions/how-to-create-a-custom-category-for-an-added-layer/m-p/1588932#M12676 DaveLewis73 2025-02-25T14:23:36Z