Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / UIAutomation / UIAutomationClient / System / Windows / Automation / GridItemPattern.cs / 1 / GridItemPattern.cs
//----------------------------------------------------------------------------
//
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
//
//
// Description: Client-side wrapper for GridItem Pattern
//
// History:
// 06/23/2003 : BrendanM Ported to WCP
//
//---------------------------------------------------------------------------
using System;
using System.Windows.Automation.Provider;
using MS.Internal.Automation;
namespace System.Windows.Automation
{
///
/// Allows clients to quickly determine if an item they discover is part
/// of a grid and, if so, where the item is in the grid in terms of row/column coordinates
/// and spans.
///
#if (INTERNAL_COMPILE)
internal class GridItemPattern: BasePattern
#else
public class GridItemPattern: BasePattern
#endif
{
//-----------------------------------------------------
//
// Constructors
//
//-----------------------------------------------------
#region Constructors
internal GridItemPattern(AutomationElement el, SafePatternHandle hPattern, bool cached)
: base(el, hPattern)
{
_hPattern = hPattern;
_cached = cached;
}
#endregion Constructors
//------------------------------------------------------
//
// Public Constants / Readonly Fields
//
//-----------------------------------------------------
#region Public Constants and Readonly Fields
/// GridItem pattern
public static readonly AutomationPattern Pattern = GridItemPatternIdentifiers.Pattern;
/// RowCount
public static readonly AutomationProperty RowProperty = GridItemPatternIdentifiers.RowProperty;
/// ColumnCount
public static readonly AutomationProperty ColumnProperty = GridItemPatternIdentifiers.ColumnProperty;
/// RowSpan
public static readonly AutomationProperty RowSpanProperty = GridItemPatternIdentifiers.RowSpanProperty;
/// ColumnSpan
public static readonly AutomationProperty ColumnSpanProperty = GridItemPatternIdentifiers.ColumnSpanProperty;
/// The logical element that supports the GripPattern for this Item
public static readonly AutomationProperty ContainingGridProperty = GridItemPatternIdentifiers.ContainingGridProperty;
#endregion Public Constants and Readonly Fields
//------------------------------------------------------
//
// Public Methods
//
//------------------------------------------------------
#region Public Methods
#endregion Public Methods
//-----------------------------------------------------
//
// Public Properties
//
//------------------------------------------------------
#region Public Properties
///
/// This member allows access to previously requested
/// cached properties for this element. The returned object
/// has accessors for each property defined for this pattern.
///
///
/// Cached property values must have been previously requested
/// using a CacheRequest. If you try to access a cached
/// property that was not previously requested, an InvalidOperation
/// Exception will be thrown.
///
/// To get the value of a property at the current point in time,
/// access the property via the Current accessor instead of
/// Cached.
///
public GridItemPatternInformation Cached
{
get
{
Misc.ValidateCached(_cached);
return new GridItemPatternInformation(_el, true);
}
}
///
/// This member allows access to current property values
/// for this element. The returned object has accessors for
/// each property defined for this pattern.
///
///
/// This pattern must be from an AutomationElement with a
/// Full reference in order to get current values. If the
/// AutomationElement was obtained using AutomationElementMode.None,
/// then it contains only cached data, and attempting to get
/// the current value of any property will throw an InvalidOperationException.
///
/// To get the cached value of a property that was previously
/// specified using a CacheRequest, access the property via the
/// Cached accessor instead of Current.
///
public GridItemPatternInformation Current
{
get
{
Misc.ValidateCurrent(_hPattern);
return new GridItemPatternInformation(_el, false);
}
}
#endregion Public Properties
//-----------------------------------------------------
//
// Internal Methods
//
//-----------------------------------------------------
#region Internal Methods
internal static object Wrap(AutomationElement el, SafePatternHandle hPattern, bool cached)
{
return new GridItemPattern(el, hPattern, cached);
}
#endregion Internal Methods
//-----------------------------------------------------
//
// Private Fields
//
//------------------------------------------------------
#region Private Fields
private SafePatternHandle _hPattern;
internal bool _cached; // internal, since protected makes this publically visible
#endregion Private Fields
//-----------------------------------------------------
//
// Nested Classes
//
//------------------------------------------------------
#region Nested Classes
///
/// This class provides access to either Cached or Current
/// properties on a pattern via the pattern's .Cached or
/// .Current accessors.
///
public struct GridItemPatternInformation
{
//------------------------------------------------------
//
// Constructors
//
//-----------------------------------------------------
#region Constructors
internal GridItemPatternInformation(AutomationElement el, bool useCache)
{
_el = el;
_useCache = useCache;
}
#endregion Constructors
//------------------------------------------------------
//
// Public Properties
//
//-----------------------------------------------------
#region Public Properties
///
/// the row number of the element. This is zero based.
///
///
///
/// This API does not work inside the secure execution environment.
///
public int Row
{
get
{
return (int)_el.GetPatternPropertyValue(RowProperty, _useCache);
}
}
///
/// the column number of the element. This is zero based.
///
///
///
/// This API does not work inside the secure execution environment.
///
public int Column
{
get
{
return (int)_el.GetPatternPropertyValue(ColumnProperty, _useCache);
}
}
///
/// count of how many rows the element spans
/// -- non merged cells should always return 1
///
///
///
/// This API does not work inside the secure execution environment.
///
public int RowSpan
{
get
{
return (int)_el.GetPatternPropertyValue(RowSpanProperty, _useCache);
}
}
///
/// count of how many columns the element spans
/// -- non merged cells should always return 1
///
///
///
/// This API does not work inside the secure execution environment.
///
public int ColumnSpan
{
get
{
return (int)_el.GetPatternPropertyValue(ColumnSpanProperty, _useCache);
}
}
///
/// The logical element that supports the GripPattern for this Item
///
///
///
/// This API does not work inside the secure execution environment.
///
public AutomationElement ContainingGrid
{
get
{
return (AutomationElement)_el.GetPatternPropertyValue(ContainingGridProperty, _useCache);
}
}
#endregion Public Properties
//-----------------------------------------------------
//
// Private Fields
//
//-----------------------------------------------------
#region Private Fields
private AutomationElement _el; // AutomationElement that contains the cache or live reference
private bool _useCache; // true to use cache, false to use live reference to get current values
#endregion Private Fields
}
#endregion Nested Classes
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------------------------
//
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
//
//
// Description: Client-side wrapper for GridItem Pattern
//
// History:
// 06/23/2003 : BrendanM Ported to WCP
//
//---------------------------------------------------------------------------
using System;
using System.Windows.Automation.Provider;
using MS.Internal.Automation;
namespace System.Windows.Automation
{
///
/// Allows clients to quickly determine if an item they discover is part
/// of a grid and, if so, where the item is in the grid in terms of row/column coordinates
/// and spans.
///
#if (INTERNAL_COMPILE)
internal class GridItemPattern: BasePattern
#else
public class GridItemPattern: BasePattern
#endif
{
//-----------------------------------------------------
//
// Constructors
//
//-----------------------------------------------------
#region Constructors
internal GridItemPattern(AutomationElement el, SafePatternHandle hPattern, bool cached)
: base(el, hPattern)
{
_hPattern = hPattern;
_cached = cached;
}
#endregion Constructors
//------------------------------------------------------
//
// Public Constants / Readonly Fields
//
//-----------------------------------------------------
#region Public Constants and Readonly Fields
/// GridItem pattern
public static readonly AutomationPattern Pattern = GridItemPatternIdentifiers.Pattern;
/// RowCount
public static readonly AutomationProperty RowProperty = GridItemPatternIdentifiers.RowProperty;
/// ColumnCount
public static readonly AutomationProperty ColumnProperty = GridItemPatternIdentifiers.ColumnProperty;
/// RowSpan
public static readonly AutomationProperty RowSpanProperty = GridItemPatternIdentifiers.RowSpanProperty;
/// ColumnSpan
public static readonly AutomationProperty ColumnSpanProperty = GridItemPatternIdentifiers.ColumnSpanProperty;
/// The logical element that supports the GripPattern for this Item
public static readonly AutomationProperty ContainingGridProperty = GridItemPatternIdentifiers.ContainingGridProperty;
#endregion Public Constants and Readonly Fields
//------------------------------------------------------
//
// Public Methods
//
//------------------------------------------------------
#region Public Methods
#endregion Public Methods
//-----------------------------------------------------
//
// Public Properties
//
//------------------------------------------------------
#region Public Properties
///
/// This member allows access to previously requested
/// cached properties for this element. The returned object
/// has accessors for each property defined for this pattern.
///
///
/// Cached property values must have been previously requested
/// using a CacheRequest. If you try to access a cached
/// property that was not previously requested, an InvalidOperation
/// Exception will be thrown.
///
/// To get the value of a property at the current point in time,
/// access the property via the Current accessor instead of
/// Cached.
///
public GridItemPatternInformation Cached
{
get
{
Misc.ValidateCached(_cached);
return new GridItemPatternInformation(_el, true);
}
}
///
/// This member allows access to current property values
/// for this element. The returned object has accessors for
/// each property defined for this pattern.
///
///
/// This pattern must be from an AutomationElement with a
/// Full reference in order to get current values. If the
/// AutomationElement was obtained using AutomationElementMode.None,
/// then it contains only cached data, and attempting to get
/// the current value of any property will throw an InvalidOperationException.
///
/// To get the cached value of a property that was previously
/// specified using a CacheRequest, access the property via the
/// Cached accessor instead of Current.
///
public GridItemPatternInformation Current
{
get
{
Misc.ValidateCurrent(_hPattern);
return new GridItemPatternInformation(_el, false);
}
}
#endregion Public Properties
//-----------------------------------------------------
//
// Internal Methods
//
//-----------------------------------------------------
#region Internal Methods
internal static object Wrap(AutomationElement el, SafePatternHandle hPattern, bool cached)
{
return new GridItemPattern(el, hPattern, cached);
}
#endregion Internal Methods
//-----------------------------------------------------
//
// Private Fields
//
//------------------------------------------------------
#region Private Fields
private SafePatternHandle _hPattern;
internal bool _cached; // internal, since protected makes this publically visible
#endregion Private Fields
//-----------------------------------------------------
//
// Nested Classes
//
//------------------------------------------------------
#region Nested Classes
///
/// This class provides access to either Cached or Current
/// properties on a pattern via the pattern's .Cached or
/// .Current accessors.
///
public struct GridItemPatternInformation
{
//------------------------------------------------------
//
// Constructors
//
//-----------------------------------------------------
#region Constructors
internal GridItemPatternInformation(AutomationElement el, bool useCache)
{
_el = el;
_useCache = useCache;
}
#endregion Constructors
//------------------------------------------------------
//
// Public Properties
//
//-----------------------------------------------------
#region Public Properties
///
/// the row number of the element. This is zero based.
///
///
///
/// This API does not work inside the secure execution environment.
///
public int Row
{
get
{
return (int)_el.GetPatternPropertyValue(RowProperty, _useCache);
}
}
///
/// the column number of the element. This is zero based.
///
///
///
/// This API does not work inside the secure execution environment.
///
public int Column
{
get
{
return (int)_el.GetPatternPropertyValue(ColumnProperty, _useCache);
}
}
///
/// count of how many rows the element spans
/// -- non merged cells should always return 1
///
///
///
/// This API does not work inside the secure execution environment.
///
public int RowSpan
{
get
{
return (int)_el.GetPatternPropertyValue(RowSpanProperty, _useCache);
}
}
///
/// count of how many columns the element spans
/// -- non merged cells should always return 1
///
///
///
/// This API does not work inside the secure execution environment.
///
public int ColumnSpan
{
get
{
return (int)_el.GetPatternPropertyValue(ColumnSpanProperty, _useCache);
}
}
///
/// The logical element that supports the GripPattern for this Item
///
///
///
/// This API does not work inside the secure execution environment.
///
public AutomationElement ContainingGrid
{
get
{
return (AutomationElement)_el.GetPatternPropertyValue(ContainingGridProperty, _useCache);
}
}
#endregion Public Properties
//-----------------------------------------------------
//
// Private Fields
//
//-----------------------------------------------------
#region Private Fields
private AutomationElement _el; // AutomationElement that contains the cache or live reference
private bool _useCache; // true to use cache, false to use live reference to get current values
#endregion Private Fields
}
#endregion Nested Classes
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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