Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / WinForms / Managed / System / WinForms / ListViewInsertionMark.cs / 1305376 / ListViewInsertionMark.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System.Drawing; using System.Runtime.InteropServices; using System.Diagnostics; namespace System.Windows.Forms { ////// /// public sealed class ListViewInsertionMark { private ListView listView; private int index = 0; private Color color = Color.Empty; private bool appearsAfterItem = false; internal ListViewInsertionMark(ListView listView) { this.listView = listView; } ////// Encapsulates insertion-mark information /// ////// /// Specifies whether the insertion mark appears /// after the item - otherwise it appears /// before the item (the default). /// /// public bool AppearsAfterItem { get { return appearsAfterItem; } set { if (appearsAfterItem != value) { appearsAfterItem = value; if (listView.IsHandleCreated) { UpdateListView(); } } } } ////// /// Returns bounds of the insertion-mark. /// /// public Rectangle Bounds { get { NativeMethods.RECT rect = new NativeMethods.RECT(); listView.SendMessage(NativeMethods.LVM_GETINSERTMARKRECT, 0, ref rect); return Rectangle.FromLTRB(rect.left, rect.top, rect.right, rect.bottom); } } ////// /// The color of the insertion-mark. /// /// public Color Color { get { if (color.IsEmpty) { color = SafeNativeMethods.ColorFromCOLORREF((int)listView.SendMessage(NativeMethods.LVM_GETINSERTMARKCOLOR, 0, 0)); } return color; } set { if (color != value) { color = value; if (listView.IsHandleCreated) { listView.SendMessage(NativeMethods.LVM_SETINSERTMARKCOLOR, 0, SafeNativeMethods.ColorToCOLORREF(color)); } } } } ////// /// Item next to which the insertion-mark appears. /// /// public int Index { get { return index; } set { if (index != value) { index = value; if (listView.IsHandleCreated) { UpdateListView(); } } } } ////// /// Performs a hit-test at the specified insertion point /// and returns the closest item. /// /// public int NearestIndex(Point pt) { NativeMethods.POINT point = new NativeMethods.POINT(); point.x = pt.X; point.y = pt.Y; NativeMethods.LVINSERTMARK lvInsertMark = new NativeMethods.LVINSERTMARK(); UnsafeNativeMethods.SendMessage(new HandleRef(listView, listView.Handle), NativeMethods.LVM_INSERTMARKHITTEST, point, lvInsertMark); return lvInsertMark.iItem; } internal void UpdateListView() { Debug.Assert(listView.IsHandleCreated, "ApplySavedState Precondition: List-view handle must be created"); NativeMethods.LVINSERTMARK lvInsertMark = new NativeMethods.LVINSERTMARK(); lvInsertMark.dwFlags = appearsAfterItem ? NativeMethods.LVIM_AFTER : 0; lvInsertMark.iItem = index; UnsafeNativeMethods.SendMessage(new HandleRef(listView, listView.Handle), NativeMethods.LVM_SETINSERTMARK, 0, lvInsertMark); if (!color.IsEmpty) { listView.SendMessage(NativeMethods.LVM_SETINSERTMARKCOLOR, 0, SafeNativeMethods.ColorToCOLORREF(color)); } } } } // 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
- WmlLinkAdapter.cs
- smtppermission.cs
- IUnknownConstantAttribute.cs
- LayoutManager.cs
- Version.cs
- MessagePartSpecification.cs
- DispatcherSynchronizationContext.cs
- TextRangeAdaptor.cs
- _SafeNetHandles.cs
- MouseGestureConverter.cs
- LoginName.cs
- precedingquery.cs
- HtmlEmptyTagControlBuilder.cs
- WaitForChangedResult.cs
- CodeGenerator.cs
- NullableDecimalMinMaxAggregationOperator.cs
- counter.cs
- XmlHierarchicalEnumerable.cs
- RenderDataDrawingContext.cs
- Dump.cs
- ToolStripDropDownItem.cs
- XsltQilFactory.cs
- IsolatedStorageException.cs
- __Filters.cs
- ReferenceEqualityComparer.cs
- MemberDomainMap.cs
- CollectionViewSource.cs
- ReadWriteObjectLock.cs
- XXXOnTypeBuilderInstantiation.cs
- SelectionItemPattern.cs
- AdPostCacheSubstitution.cs
- XPathNodeIterator.cs
- FactoryGenerator.cs
- TargetControlTypeAttribute.cs
- CodePageEncoding.cs
- HttpCapabilitiesEvaluator.cs
- XPathSelectionIterator.cs
- TypeDelegator.cs
- ChangeNode.cs
- BuildProviderUtils.cs
- FtpWebResponse.cs
- DataTableTypeConverter.cs
- DbProviderManifest.cs
- CryptographicAttribute.cs
- SchemeSettingElementCollection.cs
- FontResourceCache.cs
- DocumentOrderComparer.cs
- String.cs
- Debugger.cs
- BitmapInitialize.cs
- CopyOnWriteList.cs
- DocumentPageTextView.cs
- TypeHelpers.cs
- FileRecordSequence.cs
- ThreadStateException.cs
- DataGridViewCellCollection.cs
- CultureSpecificCharacterBufferRange.cs
- LineVisual.cs
- ToolstripProfessionalRenderer.cs
- LinqDataSourceInsertEventArgs.cs
- DeviceFilterDictionary.cs
- METAHEADER.cs
- DataObject.cs
- FirstMatchCodeGroup.cs
- GenericTextProperties.cs
- ImplicitInputBrush.cs
- ScrollProviderWrapper.cs
- AsymmetricKeyExchangeFormatter.cs
- TimelineGroup.cs
- LicenseManager.cs
- Brushes.cs
- ReadOnlyMetadataCollection.cs
- InlineUIContainer.cs
- Geometry3D.cs
- XmlNamespaceMappingCollection.cs
- FrugalList.cs
- ResolvedKeyFrameEntry.cs
- AuthenticationException.cs
- UnsafeNativeMethods.cs
- DataSourceHelper.cs
- ConsoleKeyInfo.cs
- List.cs
- DocumentCollection.cs
- Publisher.cs
- DependencyObjectProvider.cs
- DbConnectionPool.cs
- Rotation3DAnimationUsingKeyFrames.cs
- DiscoveryServerProtocol.cs
- TextDecorationLocationValidation.cs
- WindowsToolbarAsMenu.cs
- ICspAsymmetricAlgorithm.cs
- PackageProperties.cs
- filewebrequest.cs
- SrgsRuleRef.cs
- Point3DAnimationUsingKeyFrames.cs
- RegisteredHiddenField.cs
- StorageInfo.cs
- ChtmlTextWriter.cs
- SafeNativeMethods.cs
- TTSEngineTypes.cs