public bool Unregister(IOrganizationService client, PluginAssemblyInfo pluginAssemblyInfo = null)
{
if (pluginAssemblyInfo == null)
{
pluginAssemblyInfo = new PluginAssemblyInfo(this.Assembly);
}
var existingAssembly = this.GetExistingQuery(pluginAssemblyInfo.Version).RetrieveSingleRecord(client);
if (existingAssembly == null)
{
return(false);
}
// Currently hard-coded to a max of 50 records to delete
var deletedChildPlugins = new QueryExpression()
{
EntityName = PluginType.EntityLogicalName,
ColumnSet = new ColumnSet(PluginType.Fields.Name),
Criteria = new FilterExpression()
{
Conditions =
{
new ConditionExpression(PluginType.Fields.PluginAssemblyId,
ConditionOperator.Equal, existingAssembly.Id)
}
}
};
var result = deletedChildPlugins.DeleteAllResults(client);
if (!result)
{
return(false);
}
existingAssembly.Delete(client);
return(true);
}