Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / WinForms / Managed / System / WinForms / DataGridViewTopRowAccessibleObject.cs / 1 / DataGridViewTopRowAccessibleObject.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System.Security.Permissions; using System.Drawing; using System.Diagnostics; namespace System.Windows.Forms { public partial class DataGridView { ///[ System.Runtime.InteropServices.ComVisible(true) ] protected class DataGridViewTopRowAccessibleObject : AccessibleObject { DataGridView owner; /// public DataGridViewTopRowAccessibleObject() : base() { } /// public DataGridViewTopRowAccessibleObject(DataGridView owner) : base() { this.owner = owner; } /// public override Rectangle Bounds { get { if (this.owner == null) { throw new InvalidOperationException(SR.GetString(SR.DataGridViewTopRowAccessibleObject_OwnerNotSet)); } if (this.owner.ColumnHeadersVisible) { Rectangle rect = Rectangle.Union(this.owner.layout.ColumnHeaders, this.owner.layout.TopLeftHeader); return this.owner.RectangleToScreen(rect); } else { return Rectangle.Empty; } } } /// public override string Name { get { return SR.GetString(SR.DataGridView_AccTopRow); } } /// public DataGridView Owner { get { return this.owner; } set { if (this.owner != null) { throw new InvalidOperationException(SR.GetString(SR.DataGridViewTopRowAccessibleObject_OwnerAlreadySet)); } this.owner = value; } } /// public override AccessibleObject Parent { [SecurityPermission(SecurityAction.Demand, Flags = SecurityPermissionFlag.UnmanagedCode)] get { if (this.owner == null) { throw new InvalidOperationException(SR.GetString(SR.DataGridViewTopRowAccessibleObject_OwnerNotSet)); } return this.owner.AccessibilityObject; } } /// public override AccessibleRole Role { get { return AccessibleRole.Row; } } /// public override string Value { [SecurityPermission(SecurityAction.Demand, Flags = SecurityPermissionFlag.UnmanagedCode)] get { return this.Name; } } /// public override AccessibleObject GetChild(int index) { if (this.owner == null) { throw new InvalidOperationException(SR.GetString(SR.DataGridViewTopRowAccessibleObject_OwnerNotSet)); } if (index < 0) { throw new ArgumentOutOfRangeException("index"); } if (index == 0 && this.owner.RowHeadersVisible) { return this.owner.TopLeftHeaderCell.AccessibilityObject; } if (this.owner.RowHeadersVisible) { // decrement the index because the first child is the top left header cell index --; } Debug.Assert(index >= 0); if (index < this.owner.Columns.GetColumnCount(DataGridViewElementStates.Visible)) { int actualColumnIndex = this.owner.Columns.ActualDisplayIndexToColumnIndex(index, DataGridViewElementStates.Visible); return this.owner.Columns[actualColumnIndex].HeaderCell.AccessibilityObject; } else { return null; } } /// public override int GetChildCount() { if (this.owner == null) { throw new InvalidOperationException(SR.GetString(SR.DataGridViewTopRowAccessibleObject_OwnerNotSet)); } int result = this.owner.Columns.GetColumnCount(DataGridViewElementStates.Visible); if (this.owner.RowHeadersVisible) { // + 1 is the top left header cell accessibility object result ++; } return result; } /// [SecurityPermission(SecurityAction.Demand, Flags = SecurityPermissionFlag.UnmanagedCode)] public override AccessibleObject Navigate(AccessibleNavigation navigationDirection) { if (this.owner == null) { throw new InvalidOperationException(SR.GetString(SR.DataGridViewTopRowAccessibleObject_OwnerNotSet)); } switch (navigationDirection) { case AccessibleNavigation.Down: case AccessibleNavigation.Next: if (this.owner.AccessibilityObject.GetChildCount() > 1) { return this.owner.AccessibilityObject.GetChild(1); } else { return null; } case AccessibleNavigation.FirstChild: return this.GetChild(0); case AccessibleNavigation.LastChild: return this.GetChild(this.GetChildCount() - 1); default: return null; } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ // // Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System.Security.Permissions; using System.Drawing; using System.Diagnostics; namespace System.Windows.Forms { public partial class DataGridView { ///[ System.Runtime.InteropServices.ComVisible(true) ] protected class DataGridViewTopRowAccessibleObject : AccessibleObject { DataGridView owner; /// public DataGridViewTopRowAccessibleObject() : base() { } /// public DataGridViewTopRowAccessibleObject(DataGridView owner) : base() { this.owner = owner; } /// public override Rectangle Bounds { get { if (this.owner == null) { throw new InvalidOperationException(SR.GetString(SR.DataGridViewTopRowAccessibleObject_OwnerNotSet)); } if (this.owner.ColumnHeadersVisible) { Rectangle rect = Rectangle.Union(this.owner.layout.ColumnHeaders, this.owner.layout.TopLeftHeader); return this.owner.RectangleToScreen(rect); } else { return Rectangle.Empty; } } } /// public override string Name { get { return SR.GetString(SR.DataGridView_AccTopRow); } } /// public DataGridView Owner { get { return this.owner; } set { if (this.owner != null) { throw new InvalidOperationException(SR.GetString(SR.DataGridViewTopRowAccessibleObject_OwnerAlreadySet)); } this.owner = value; } } /// public override AccessibleObject Parent { [SecurityPermission(SecurityAction.Demand, Flags = SecurityPermissionFlag.UnmanagedCode)] get { if (this.owner == null) { throw new InvalidOperationException(SR.GetString(SR.DataGridViewTopRowAccessibleObject_OwnerNotSet)); } return this.owner.AccessibilityObject; } } /// public override AccessibleRole Role { get { return AccessibleRole.Row; } } /// public override string Value { [SecurityPermission(SecurityAction.Demand, Flags = SecurityPermissionFlag.UnmanagedCode)] get { return this.Name; } } /// public override AccessibleObject GetChild(int index) { if (this.owner == null) { throw new InvalidOperationException(SR.GetString(SR.DataGridViewTopRowAccessibleObject_OwnerNotSet)); } if (index < 0) { throw new ArgumentOutOfRangeException("index"); } if (index == 0 && this.owner.RowHeadersVisible) { return this.owner.TopLeftHeaderCell.AccessibilityObject; } if (this.owner.RowHeadersVisible) { // decrement the index because the first child is the top left header cell index --; } Debug.Assert(index >= 0); if (index < this.owner.Columns.GetColumnCount(DataGridViewElementStates.Visible)) { int actualColumnIndex = this.owner.Columns.ActualDisplayIndexToColumnIndex(index, DataGridViewElementStates.Visible); return this.owner.Columns[actualColumnIndex].HeaderCell.AccessibilityObject; } else { return null; } } /// public override int GetChildCount() { if (this.owner == null) { throw new InvalidOperationException(SR.GetString(SR.DataGridViewTopRowAccessibleObject_OwnerNotSet)); } int result = this.owner.Columns.GetColumnCount(DataGridViewElementStates.Visible); if (this.owner.RowHeadersVisible) { // + 1 is the top left header cell accessibility object result ++; } return result; } /// [SecurityPermission(SecurityAction.Demand, Flags = SecurityPermissionFlag.UnmanagedCode)] public override AccessibleObject Navigate(AccessibleNavigation navigationDirection) { if (this.owner == null) { throw new InvalidOperationException(SR.GetString(SR.DataGridViewTopRowAccessibleObject_OwnerNotSet)); } switch (navigationDirection) { case AccessibleNavigation.Down: case AccessibleNavigation.Next: if (this.owner.AccessibilityObject.GetChildCount() > 1) { return this.owner.AccessibilityObject.GetChild(1); } else { return null; } case AccessibleNavigation.FirstChild: return this.GetChild(0); case AccessibleNavigation.LastChild: return this.GetChild(this.GetChildCount() - 1); default: return null; } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- WebControlToolBoxItem.cs
- ResXResourceSet.cs
- SspiNegotiationTokenAuthenticatorState.cs
- DataGridViewRowCancelEventArgs.cs
- TextInfo.cs
- IntSecurity.cs
- RegexGroupCollection.cs
- GridViewRowPresenterBase.cs
- Automation.cs
- QueuePathEditor.cs
- SQLGuidStorage.cs
- AppDomainFactory.cs
- RequestCachePolicyConverter.cs
- Clause.cs
- ItemsPanelTemplate.cs
- CursorInteropHelper.cs
- ResourceCategoryAttribute.cs
- EmissiveMaterial.cs
- TemplateBuilder.cs
- CodeTypeReferenceSerializer.cs
- TimeSpanValidatorAttribute.cs
- HelpKeywordAttribute.cs
- _UriSyntax.cs
- ClonableStack.cs
- VoiceSynthesis.cs
- IndexedSelectQueryOperator.cs
- LocalServiceSecuritySettingsElement.cs
- SystemUdpStatistics.cs
- HostTimeoutsElement.cs
- NavigatorOutput.cs
- WebPageTraceListener.cs
- ScrollItemProviderWrapper.cs
- WhitespaceRuleReader.cs
- AnimationClockResource.cs
- Point.cs
- EdmComplexTypeAttribute.cs
- SecureStringHasher.cs
- PseudoWebRequest.cs
- SoapCodeExporter.cs
- GridErrorDlg.cs
- TiffBitmapEncoder.cs
- Parser.cs
- WebOperationContext.cs
- WorkflowElementDialogWindow.xaml.cs
- ResourceExpression.cs
- BitmapCodecInfo.cs
- PersistenceMetadataNamespace.cs
- DataGrid.cs
- SessionEndedEventArgs.cs
- DataGridViewSelectedRowCollection.cs
- Inline.cs
- webeventbuffer.cs
- DLinqColumnProvider.cs
- SHA256.cs
- JoinTreeNode.cs
- WindowsNonControl.cs
- ResolvePPIDRequest.cs
- Symbol.cs
- SecurityKeyType.cs
- MouseCaptureWithinProperty.cs
- TextEncodedRawTextWriter.cs
- WebHttpSecurityModeHelper.cs
- MouseWheelEventArgs.cs
- TextPointerBase.cs
- DataTrigger.cs
- LoaderAllocator.cs
- CheckBoxPopupAdapter.cs
- TypeSemantics.cs
- SerializeAbsoluteContext.cs
- NullableBoolConverter.cs
- Verify.cs
- TraceContextRecord.cs
- DeclaredTypeValidator.cs
- TraceSection.cs
- SynchronizationLockException.cs
- SecurityContext.cs
- CodeRegionDirective.cs
- TimeSpanMinutesOrInfiniteConverter.cs
- VersionedStreamOwner.cs
- PropertyGridEditorPart.cs
- TraceUtility.cs
- CollectionViewProxy.cs
- XPathParser.cs
- OracleCommand.cs
- URLAttribute.cs
- HttpsHostedTransportConfiguration.cs
- PlanCompilerUtil.cs
- NumberSubstitution.cs
- sqlser.cs
- ListQueryResults.cs
- StreamDocument.cs
- SmiGettersStream.cs
- COM2FontConverter.cs
- XDRSchema.cs
- HttpPostedFile.cs
- GlyphRunDrawing.cs
- PageCodeDomTreeGenerator.cs
- SchemaImporterExtensionsSection.cs
- PrintDialog.cs
- PositiveTimeSpanValidator.cs