Debugging Tools for Windows


The SetValues method sets the value of several of the target's registers.

    IN ULONG  Count,
    IN ULONG  Start,


Specifies the number of registers for which to set the values.
Specifies an array that contains the indices of the registers for which to set the values. The number of elements in this array is Count. If Indices is NULL, Start is used instead.
If Indices is NULL, the registers will be set consecutively starting at this index. Otherwise it is ignored.
Specifies the array that contains values to which to set the registers. The number of elements this array holds is Count. See DEBUG_VALUE for a description of this parameter type.

Return Value

The method was successful.
The target is not accessible, or one or more of the registers could not be accessed.
The value of the index of one or more of the registers is greater than the number of registers on the target machine.

This list does not contain all the errors that might occur. For a list of possible errors, see HRESULT Values.

Interface Version

SetValues is available in all versions of IDebugRegisters.


The engine does its best to coerce the values in Values into the type of the registers; this coercion is the same as that performed by CoerceValue. If the value is larger than what the register can hold, the least significant bits are dropped. Floating-point and integer conversions will also be performed if necessary.

If the return value is not S_OK, some of the registers still might have been set.

When a subregister is altered, the register containing it is also altered.

To set the value of only a single register, use the SetValue method instead.

The method SetValues2 performs the same task as this method but also allows the register source to be specified.

For an overview of the IDebugRegisters interface and other register-related methods, see Registers.


Headers: Defined in DbgEng.h. Include DbgEng.h.

See Also

SetValue, SetValues2

Build machine: CAPEBUILD