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108 строки
3.9 KiB
Plaintext
108 строки
3.9 KiB
Plaintext
/*************************************************************************
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*
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* File Name (AccessibleValue)
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*
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* IAccessible2 IDL Specification
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*
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* Copyright (c) Linux Foundation 2007, 2008
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* Copyright (c) IBM Corp. 2006
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* Copyright (c) Sun Microsystems, Inc. 2000, 2006
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02110-1301 USA
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*
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************************************************************************/
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import "objidl.idl";
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import "oaidl.idl";
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import "oleacc.idl";
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/** @brief This interface gives access to a single numerical value.
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The %IAccessibleValue interface represents a single numerical value and should
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be implemented by any class that supports numerical value like progress bars
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and spin boxes. This interface lets you access the value and its upper and
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lower bounds.
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*/
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[object, uuid(35855B5B-C566-4fd0-A7B1-E65465600394)]
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interface IAccessibleValue : IUnknown
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{
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/** @brief Returns the value of this object as a number.
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The exact return type is implementation dependent. Typical types are long and
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double.
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@param [out] currentValue
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Returns the current value represented by this object. See the section about
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@ref _variants "VARIANTs" for additional information.
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@retval S_OK
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@retval S_FALSE if there is nothing to return, [out] value is NULL
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*/
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[propget] HRESULT currentValue
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(
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[out, retval] VARIANT *currentValue
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);
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/** @brief Sets the value of this object to the given number.
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The argument is clipped to the valid interval whose upper and lower
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bounds are returned by the methods IAccessibleValue::maximumValue and
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IAccessibleValue::minimumValue, i.e. if it is lower than the minimum
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value the new value will be the minimum and if it is greater than the
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maximum then the new value will be the maximum.
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@param [out] value
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The new value represented by this object. The set of admissible types for
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this argument is implementation dependent.
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@retval S_OK
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*/
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HRESULT setCurrentValue
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(
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[in] VARIANT value
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);
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/** @brief Returns the maximal value that can be represented by this object.
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The type of the returned value is implementation dependent. It does not have
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to be the same type as that returned by method IAccessibleValue::currentValue.
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@param [out] maximumValue
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Returns the maximal value in an implementation dependent type. If this object
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has no upper bound then an empty object is returned. See the section about
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@ref _variants "VARIANTs" for additional information.
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@retval S_OK
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*/
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[propget] HRESULT maximumValue
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(
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[out, retval] VARIANT *maximumValue
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);
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/** @brief Returns the minimal value that can be represented by this object.
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The type of the returned value is implementation dependent. It does not have
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to be the same type as that returned by method IAccessibleValue::currentValue.
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@param [out] minimumValue
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Returns the minimal value in an implementation dependent type. If this object
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has no lower bound then an empty object is returned. See the section about
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@ref _variants "VARIANTs" for additional information.
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@retval S_OK
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*/
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[propget] HRESULT minimumValue
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(
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[out, retval] VARIANT *minimumValue
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);
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};
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