Interface IUpdateFeatures

Defines a command that updates one or more features in a Feature Source based on some filtering criteria

Inherited Members

Namespace: OSGeo.MapGuide.MaestroAPI.Commands

Assembly: OSGeo.MapGuide.MaestroAPI.dll

Syntax

public interface IUpdateFeatures : IFeatureCommand, ICommand

Remarks

This command is only supported on certain implementations of IServerConnection You can find out if the connection supports this command through the Capabilities

Examples

How to update all features matching a given filter to the given value

    IServerConnection conn = ...;
    IUpdateFeatures updateCmd = (IUpdateFeatures)conn.CreateCommand((int)CommandType.UpdateFeatures);
    updateCmd.FeatureSourceId = "Library://My.FeatureSource";
    updateCmd.ClassName = "MyFeatureClass";
    updateCmd.Filter = "Name = 'Bar'";
    updateCmd.ValuesToUpdate = new MutableRecord();
    updateCmd.ValuesToUpdate.PutValue("Name", new StringValue("Foo"));
    int updated = updateCmd.Execute();

Properties

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Filter

Gets or sets the filter that determines which features will be updated. If empty, will cause all features to be updated

Declaration

string Filter { get; set; }

Property Value

Type	Description
System.String

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ValuesToUpdate

Gets or sets the collection of values to apply

Declaration

IMutableRecord ValuesToUpdate { get; set; }

Property Value

Type	Description
IMutableRecord

Methods

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Execute()

Executes the command

Declaration

int Execute()

Returns

Type	Description
System.Int32	The number of features updated by this command