The ExpandSymbol method adds or removes the children of a symbol from a symbol group.

HRESULT ExpandSymbol( IN ULONG Index, IN BOOL Expand );

Parameters

Index

The index of the symbol whose children will be added or removed. The index of a symbol is an identification number. The index ranges from zero through the number of symbols in the symbol group minus one.

Expand

A Boolean value that specifies whether to add or remove the symbols children from the symbol group. If Expand is true, the children are added. If Expand is false, the children are removed.

Return Value

ExpandSymbol might return one of the following values:

S_OK

The method was successful.

S_FALSE

The symbol has no children to add.

E_INVALIDARG

The depth of the symbol is DEBUG_SYMBOL_EXPANSION_LEVEL_MASK, which is the maximum depth. This depth prevented the specified symbol's children from being added to this symbol group.

This method might also return error values. For more information about possible return values, see Return Values.