IVsSelectionEvents.OnSelectionChanged Method

Reports that the project hierarchy, item and/or selection container has changed.

Namespace:  Microsoft.VisualStudio.Shell.Interop
Assembly:  Microsoft.VisualStudio.Shell.Interop (in Microsoft.VisualStudio.Shell.Interop.dll)

Syntax

'Declaration
Function OnSelectionChanged ( _
    pHierOld As IVsHierarchy, _
    itemidOld As UInteger, _
    pMISOld As IVsMultiItemSelect, _
    pSCOld As ISelectionContainer, _
    pHierNew As IVsHierarchy, _
    itemidNew As UInteger, _
    pMISNew As IVsMultiItemSelect, _
    pSCNew As ISelectionContainer _
) As Integer

int OnSelectionChanged(
    IVsHierarchy pHierOld,
    uint itemidOld,
    IVsMultiItemSelect pMISOld,
    ISelectionContainer pSCOld,
    IVsHierarchy pHierNew,
    uint itemidNew,
    IVsMultiItemSelect pMISNew,
    ISelectionContainer pSCNew
)

int OnSelectionChanged(
    [InAttribute] IVsHierarchy^ pHierOld, 
    [InAttribute] unsigned int itemidOld, 
    [InAttribute] IVsMultiItemSelect^ pMISOld, 
    [InAttribute] ISelectionContainer^ pSCOld, 
    [InAttribute] IVsHierarchy^ pHierNew, 
    [InAttribute] unsigned int itemidNew, 
    [InAttribute] IVsMultiItemSelect^ pMISNew, 
    [InAttribute] ISelectionContainer^ pSCNew
)

abstract OnSelectionChanged : 
        pHierOld:IVsHierarchy * 
        itemidOld:uint32 * 
        pMISOld:IVsMultiItemSelect * 
        pSCOld:ISelectionContainer * 
        pHierNew:IVsHierarchy * 
        itemidNew:uint32 * 
        pMISNew:IVsMultiItemSelect * 
        pSCNew:ISelectionContainer -> int

function OnSelectionChanged(
    pHierOld : IVsHierarchy, 
    itemidOld : uint, 
    pMISOld : IVsMultiItemSelect, 
    pSCOld : ISelectionContainer, 
    pHierNew : IVsHierarchy, 
    itemidNew : uint, 
    pMISNew : IVsMultiItemSelect, 
    pSCNew : ISelectionContainer
) : int

Parameters

• pHierOld
  Type: Microsoft.VisualStudio.Shell.Interop.IVsHierarchy

  [in] Pointer to the IVsHierarchy interface of the project hierarchy for the previous selection.

• itemidOld
  Type: UInt32

  [in] Identifier of the project item for previous selection. For valid itemidOld values, see VSITEMID.

• pMISOld
  Type: Microsoft.VisualStudio.Shell.Interop.IVsMultiItemSelect

  [in] Pointer to the IVsMultiItemSelect interface to access a previous multiple selection.

• pSCOld
  Type: Microsoft.VisualStudio.Shell.Interop.ISelectionContainer

  [in] Pointer to the ISelectionContainer interface to access Properties window data for the previous selection.

• pHierNew
  Type: Microsoft.VisualStudio.Shell.Interop.IVsHierarchy

  [in] Pointer to the IVsHierarchy interface of the project hierarchy for the current selection.

• itemidNew
  Type: UInt32

  [in] Identifier of the project item for the current selection. For valid itemidNew values, see VSITEMID.

• pMISNew
  Type: Microsoft.VisualStudio.Shell.Interop.IVsMultiItemSelect

  [in] Pointer to the IVsMultiItemSelect interface for the current selection.

• pSCNew
  Type: Microsoft.VisualStudio.Shell.Interop.ISelectionContainer

  [in] Pointer to the ISelectionContainer interface for the current selection.

Return Value

Type: Int32
If the method succeeds, it returns S_OK. If it fails, it returns an error code.

Remarks

COM Signature

From vsshell.idl:

HRESULT IVsSelectionEvents::OnSelectionChanged(
   [in] IVsHierarchy *pHierOld,
   [in] VSITEMID itemidOld,
   [in] IVsMultiItemSelect *pMISOld,
   [in] ISelectionContainer *pSCOld,
   [in] IVsHierarchy *pHierNew,
   [in] VSITEMID itemidNew,
   [in] IVsMultiItemSelect *pMISNew,
   [in] ISelectionContainer *pSCNew
);

.NET Framework Security

• Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

See Also

Reference

IVsSelectionEvents Interface

Microsoft.VisualStudio.Shell.Interop Namespace