IVsSelectionEvents.OnSelectionChanged Method

Article
04/29/2015

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.

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