IVsLiteTreeEvents::OnToggleExpansion Method (UInt32, Int32)

Visual Studio 2015
 

Called when an item enters or leaves the expanded state.

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

C#
C++
F#
VB
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int OnToggleExpansion(
	unsigned int AbsIndex,
	int cChange
)

Parameters

AbsIndex
Type: System::UInt32

[In] An unsigned integer containing the Absolute Index of the Item.

cChange
Type: System::Int32

[In] An integer indicating the state change of the specified item.

Return Value

Type: System::Int32

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

From vsshell.idl:

C++
Copy 
HRESULT IVsLiteTreeEvents::OnToggleExpansion(
   [in] ULONG AbsIndex, 
   [in] long cChange
);
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