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ServiceProvider.IServiceProvider.QueryService Method

Performs as a factory for services that are exposed through an implementation of IServiceProvider.

Namespace:  Microsoft.VisualStudio.Data
Assembly:  Microsoft.VisualStudio.Data (in Microsoft.VisualStudio.Data.dll)

Syntax

'Declaration
Private Function QueryService ( _
    ByRef guidService As Guid, _
    ByRef riid As Guid, _
    <OutAttribute> ByRef ppvObject As IntPtr _
) As Integer Implements IServiceProvider.QueryService
int IServiceProvider.QueryService(
    ref Guid guidService,
    ref Guid riid,
    out IntPtr ppvObject
)
private:
virtual int QueryService(
    Guid% guidService, 
    Guid% riid, 
    [OutAttribute] IntPtr% ppvObject
) sealed = IServiceProvider::QueryService
private abstract QueryService : 
        guidService:Guid byref * 
        riid:Guid byref * 
        ppvObject:IntPtr byref -> int  
private override QueryService : 
        guidService:Guid byref * 
        riid:Guid byref * 
        ppvObject:IntPtr byref -> int
JScript does not support explicit interface implementations.

Parameters

  • guidService
    Type: System.Guid%

    A unique identifier of the requested service.

  • riid
    Type: System.Guid%

    A unique identifier of the interface which the caller wishes to receive for the service.

  • ppvObject
    Type: System.IntPtr%

    Address of the interface specified by the riid parameter.

Return Value

Type: System.Int32
Returns an integer specifying the address of interface for the requested service.

Implements

IServiceProvider.QueryService(Guid%, Guid%, IntPtr%)

.NET Framework Security

See Also

Reference

ServiceProvider Class

Microsoft.VisualStudio.Data Namespace