![]() ![]() IRow: nextRow() Advance the position of the cursor by one and return the Row object at that position. I have added IFeatureClass.Search (queryFilter, true) to search the feature again by FID and save in a cursor then use the 'feature.getValue' to read the attribute. Object: insertRow(IRowBuffer buffer) Insert a new Row into the database using the property values in the input buffer. In other words, a cursor should be created after an edit operation has begun and should not be used once that edit operation has been stopped or aborted. I have modified the program and successfully read the feature attribute 'POSTCODE'. When using cursors within an edit session, they should always be scoped to edit operations. For more information, see the IFeatureRenderer::Draw method. You can also draw the features from a cursor on the display. The LocateFeature method returns an ICursor object that contains a collection of. When using cursors within an edit session, they should always be scoped to edit operations. .ReleaseComObject(pCursor) Releasing these locks is important otherwise the workspace/feature class is locked for the life of the tool (and if in ArcCatalog or ArcMap persist until the application is closed) and will prevent deleting/renaming/adding fields. Feature cursors can be used as an input to IFeatureCursorBuffer, which lets you spatially buffer the features by a distance. Feature enhancement is included in Citrix Receiver 4.10. This is why retrieving the first row may take longer than subsequent rows, and because underlying DBMS errors might be raised on the call, error handling is recommended. It works fine with one monitor but cursor is offset when used with extended monitor. Note that while a cursor is created in the client's memory after a call to methods such as ITable.Search or ITable.Insert, the DBMS cursor is not created until a call to NextRow (or a similar method) is made. The UpdateCursor function creates a cursor that allows you to update or delete rows on the specified feature class, shapefile, or table. If both executions of the query are made within the same edit session (or database transaction with the appropriate level of isolation), the application is guaranteed not to see any changes made to the data by other concurrently executing applications. void: updateRow(IRow row) Update the existing Row in the database corresponding to the. including ESRI shapefiles, MapInfo and MicroStation file formats. Object: insertRow(IRowBuffer buffer) Insert a new Row into the database using the property values in the input buffer. To retrieve all rows in a result set containing N rows, the application must make N calls to NextRow. The row object returned is allocated and hydrated by the cursor, and a reference to it is handed to the application. If an application needs to make multiple passes over the data, the application needs to reexecute the query that returned the cursor. By using the connection object, you can create a new cursor to execute any SQL. The NextRow method on a search or update cursor returns the next row in the result set to the application. Public ReadOnly Property cursor() As Integer Implements .A cursor that is opened from a RelQueryTable.Ĭontrols settings for the temporal cursor.Ĭursors are forward only they do not support backing up and retrieving rows that have already been retrieved or making multiple passes over data. What is stated above is through ITool, through IToolDef, not Addin method. Announcement video: Download Civil Engineering Apps, ArcGIS, GIS. Protected Overrides Sub OnMouseDown(ByVal arg As .Tool.MouseEventArgs) as an important figure or is widely cited by Cursor details is set to Change size. Within the Class referenced to in the xml file. ArcObjects is a library of Component Object Model (COM) components that make. Provides access to members that hand out enumerated rows, field collections and allows for the updating, deleting and inserting of rows. Just remember to to have the build action of your cursor : AddInContent, rather than embedding. ArcObjects Library Reference (GeoDatabase) ICursor Interface. cur file within the config.esriaddinx xml file. ![]() You can use custom Cursor of any sort using a TOOL addin rather than a button (if that is what you are using), and referencing the embedded. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |