Tagged Questions

3
votes
1answer
65 views

ArcObjects: Perform action upon refresh command in the TOC

We are using custom layers in our plugin used in ArcScene/ArcMap. For quite some time we were trying to figure out how to hook into the event occuring when the user selects "Refresh" in the right ...
2
votes
1answer
82 views

How to use IObjectClassEvents?

I need to use IObjectClassEvents in my project. I don't know how to start, can any one give me a simple explanation, or an example in C#.
2
votes
1answer
88 views

How to cancel the edit session?

I want to prevent the user from starting an edit session under certain conditions. How can I do that? void m_editEvents_OnStartEditing() { // Code }
1
vote
1answer
97 views

Listen to edit events

I recently started working on ArcMap. I want to make some changes to the edit tools. For example I want to prevent the user from using the sketch tool when the time is between 1pm and 2pm But I ...
1
vote
1answer
358 views

ArcObjects - Listening for Map Click in ArcMap

I have a seemingly simple requirement that is causing me all types of headaches - listening for a map click event in ArcMap via ArcObjects. Simple as that, just tell me when the map is clicked (and ...
1
vote
0answers
80 views

ArcObjects - IGraphicsContainerEvents_ElementAddedEventHandler Unregisters After a Few Fires

I am using IGraphicsContainerEvents_ElementAddedEventHandler to do stuff with graphics added by users in an ArcMap session using the standard drawing toolbar. As the code snippet below shows, its a ...
7
votes
3answers
2k views

ArcObjects (ArcGIS for Desktop and C#): How to cast between the ArcMap COM UI and my custom .Net UserControl objects?

I'm creating a utility to run in ArcGIS for Desktop using ArcObjects (9.3.1 SDK) and C#.Net. My prototype involves a toolbar with two comboboxes and a tool. The first combo selects a layer in the TOC, ...
2
votes
2answers
420 views

ArcMap - Strange Behavior When Trying To Wire IActiveViewEvents in IDockableWindow

I can't seem to wire up IActiveViewEvents for an IDockableWindow. I am using a straight out-of-the-box IDockableWindow which inherits BaseCommand. The snippet below shows what I have added to the ...
5
votes
2answers
236 views

ArcObjects Class Extension - core events not being fired by an editing tool

I think I've just hit a major limitation with how ArcMap (10) deals with class extensions on a Feature Class but I would first like to make sure I'm not missing something or seeing a bug. I have a ...
3
votes
2answers
900 views

How to list ActiveView SelectionChanged event delegates in ArcObjects .NET?

I currently have an issue in an ArcObjects ArcMap add-in where my event handlers are seemingly-randomly being unhooked from the event I'm trying to catch. I've spent some time looking for a way to ...
3
votes
2answers
3k views

How to implement mouse down event when the user clicks on the map?

Newbie programming in C#.net. I have a very simple desktop application in in arcmap. I'm trying to get the coordinates when a user clicks a button on a toolbar and when click the map. The toolbar is ...