### YamlMime:ManagedReference
items:
- uid: Microsoft.SqlTools.ServiceLayer.Hosting.ServiceHost.InitializeCallback
  commentId: T:Microsoft.SqlTools.ServiceLayer.Hosting.ServiceHost.InitializeCallback
  id: ServiceHost.InitializeCallback
  parent: Microsoft.SqlTools.ServiceLayer.Hosting
  children: []
  langs:
  - csharp
  - vb
  name: ServiceHost.InitializeCallback
  nameWithType: ServiceHost.InitializeCallback
  fullName: Microsoft.SqlTools.ServiceLayer.Hosting.ServiceHost.InitializeCallback
  type: Delegate
  source:
    remote:
      path: src/Microsoft.SqlTools.ServiceLayer/Hosting/ServiceHost.cs
      branch: master
      repo: https://kburtram:67c6623fc506400046096af249535f684d9ea40b@github.com/Microsoft/sqltoolsservice.git
    id: InitializeCallback
    path: ../src/Microsoft.SqlTools.ServiceLayer/Hosting/ServiceHost.cs
    startLine: 83
  assemblies:
  - Microsoft.SqlTools.ServiceLayer
  namespace: Microsoft.SqlTools.ServiceLayer.Hosting
  summary: "\nDelegate definition for the host initialization event\n"
  example: []
  syntax:
    content: public delegate Task InitializeCallback(InitializeRequest startupParams, RequestContext<InitializeResult> requestContext);
    content.vb: Public Delegate Function InitializeCallback(startupParams As InitializeRequest, requestContext As RequestContext(Of InitializeResult)) As Task
    parameters:
    - id: startupParams
      type: Microsoft.SqlTools.ServiceLayer.Hosting.Contracts.InitializeRequest
      description: ''
    - id: requestContext
      type: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext{Microsoft.SqlTools.ServiceLayer.Hosting.Contracts.InitializeResult}
      description: ''
    return:
      type: System.Threading.Tasks.Task
  modifiers.csharp:
  - public
  - delegate
  modifiers.vb:
  - Public
  - Delegate
references:
- uid: Microsoft.SqlTools.ServiceLayer.Hosting
  commentId: N:Microsoft.SqlTools.ServiceLayer.Hosting
  isExternal: false
  name: Microsoft.SqlTools.ServiceLayer.Hosting
  nameWithType: Microsoft.SqlTools.ServiceLayer.Hosting
  fullName: Microsoft.SqlTools.ServiceLayer.Hosting
- uid: Microsoft.SqlTools.ServiceLayer.Hosting.Contracts.InitializeRequest
  commentId: T:Microsoft.SqlTools.ServiceLayer.Hosting.Contracts.InitializeRequest
  parent: Microsoft.SqlTools.ServiceLayer.Hosting.Contracts
  isExternal: false
  name: InitializeRequest
  nameWithType: InitializeRequest
  fullName: Microsoft.SqlTools.ServiceLayer.Hosting.Contracts.InitializeRequest
- uid: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext{Microsoft.SqlTools.ServiceLayer.Hosting.Contracts.InitializeResult}
  commentId: T:Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext{Microsoft.SqlTools.ServiceLayer.Hosting.Contracts.InitializeResult}
  parent: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol
  definition: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext`1
  name: RequestContext<InitializeResult>
  nameWithType: RequestContext<InitializeResult>
  fullName: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext<Microsoft.SqlTools.ServiceLayer.Hosting.Contracts.InitializeResult>
  nameWithType.vb: RequestContext(Of InitializeResult)
  fullname.vb: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext(Of Microsoft.SqlTools.ServiceLayer.Hosting.Contracts.InitializeResult)
  name.vb: RequestContext(Of InitializeResult)
  spec.csharp:
  - uid: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext`1
    name: RequestContext
    nameWithType: RequestContext
    fullName: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext
  - name: <
    nameWithType: <
    fullName: <
  - uid: Microsoft.SqlTools.ServiceLayer.Hosting.Contracts.InitializeResult
    name: InitializeResult
    nameWithType: InitializeResult
    fullName: Microsoft.SqlTools.ServiceLayer.Hosting.Contracts.InitializeResult
  - name: '>'
    nameWithType: '>'
    fullName: '>'
  spec.vb:
  - uid: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext`1
    name: RequestContext
    nameWithType: RequestContext
    fullName: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext
  - name: '(Of '
    nameWithType: '(Of '
    fullName: '(Of '
  - uid: Microsoft.SqlTools.ServiceLayer.Hosting.Contracts.InitializeResult
    name: InitializeResult
    nameWithType: InitializeResult
    fullName: Microsoft.SqlTools.ServiceLayer.Hosting.Contracts.InitializeResult
  - name: )
    nameWithType: )
    fullName: )
- uid: System.Threading.Tasks.Task
  commentId: T:System.Threading.Tasks.Task
  parent: System.Threading.Tasks
  isExternal: true
  name: Task
  nameWithType: Task
  fullName: System.Threading.Tasks.Task
- uid: Microsoft.SqlTools.ServiceLayer.Hosting.Contracts
  commentId: N:Microsoft.SqlTools.ServiceLayer.Hosting.Contracts
  isExternal: false
  name: Microsoft.SqlTools.ServiceLayer.Hosting.Contracts
  nameWithType: Microsoft.SqlTools.ServiceLayer.Hosting.Contracts
  fullName: Microsoft.SqlTools.ServiceLayer.Hosting.Contracts
- uid: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext`1
  commentId: T:Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext`1
  isExternal: false
  name: RequestContext<TResult>
  nameWithType: RequestContext<TResult>
  fullName: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext<TResult>
  nameWithType.vb: RequestContext(Of TResult)
  fullname.vb: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext(Of TResult)
  name.vb: RequestContext(Of TResult)
  spec.csharp:
  - uid: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext`1
    name: RequestContext
    nameWithType: RequestContext
    fullName: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext
  - name: <
    nameWithType: <
    fullName: <
  - name: TResult
    nameWithType: TResult
    fullName: TResult
  - name: '>'
    nameWithType: '>'
    fullName: '>'
  spec.vb:
  - uid: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext`1
    name: RequestContext
    nameWithType: RequestContext
    fullName: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.RequestContext
  - name: '(Of '
    nameWithType: '(Of '
    fullName: '(Of '
  - name: TResult
    nameWithType: TResult
    fullName: TResult
  - name: )
    nameWithType: )
    fullName: )
- uid: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol
  commentId: N:Microsoft.SqlTools.ServiceLayer.Hosting.Protocol
  isExternal: false
  name: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol
  nameWithType: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol
  fullName: Microsoft.SqlTools.ServiceLayer.Hosting.Protocol
- uid: System.Threading.Tasks
  commentId: N:System.Threading.Tasks
  isExternal: false
  name: System.Threading.Tasks
  nameWithType: System.Threading.Tasks
  fullName: System.Threading.Tasks