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
- TextDecorationCollection.cs
- EditCommandColumn.cs
- XmlRootAttribute.cs
- HtmlControlAdapter.cs
- autovalidator.cs
- SelectionItemProviderWrapper.cs
- WFItemsToSpacerVisibility.cs
- ScriptingRoleServiceSection.cs
- CommandHelper.cs
- unitconverter.cs
- DataGridViewLayoutData.cs
- AssemblyBuilderData.cs
- StaticDataManager.cs
- EmbeddedMailObjectsCollection.cs
- RouteTable.cs
- SharedStatics.cs
- PageCache.cs
- PhonemeConverter.cs
- DesignTimeHTMLTextWriter.cs
- ObjectMemberMapping.cs
- SubpageParaClient.cs
- ResourceReferenceExpression.cs
- SimpleRecyclingCache.cs
- HttpContext.cs
- Int32CAMarshaler.cs
- TraceRecord.cs
- CaseCqlBlock.cs
- WindowsFont.cs
- OdbcParameterCollection.cs
- ParameterDataSourceExpression.cs
- GridItem.cs
- MemberDomainMap.cs
- TemplateXamlParser.cs
- PageStatePersister.cs
- DesignTimeXamlWriter.cs
- BindableTemplateBuilder.cs
- AdornerPresentationContext.cs
- input.cs
- TypeConverterHelper.cs
- RowToParametersTransformer.cs
- SecurityTokenException.cs
- MonikerUtility.cs
- ActivitiesCollection.cs
- RegexCompiler.cs
- RepeatButton.cs
- _UncName.cs
- HtmlTable.cs
- PriorityBindingExpression.cs
- HttpCapabilitiesBase.cs
- CompareInfo.cs
- Image.cs
- TCPListener.cs
- HttpListenerRequestUriBuilder.cs
- Error.cs
- XmlObjectSerializerReadContextComplex.cs
- ToolStripItemCollection.cs
- METAHEADER.cs
- embossbitmapeffect.cs
- StaticTextPointer.cs
- FixedSOMContainer.cs
- FileDialog_Vista_Interop.cs
- Maps.cs
- ToolStripPanelRenderEventArgs.cs
- TempFiles.cs
- HttpValueCollection.cs
- Repeater.cs
- ArrayExtension.cs
- RectKeyFrameCollection.cs
- OleDbMetaDataFactory.cs
- QilExpression.cs
- Zone.cs
- MessageDecoder.cs
- ProfessionalColors.cs
- SystemNetworkInterface.cs
- recordstate.cs
- ClassHandlersStore.cs
- SoapParser.cs
- SelectionGlyphBase.cs
- ConfigurationFileMap.cs
- XmlCustomFormatter.cs
- BamlLocalizableResource.cs
- XmlNodeChangedEventArgs.cs
- SqlCharStream.cs
- SoapCommonClasses.cs
- DoWorkEventArgs.cs
- COM2ExtendedUITypeEditor.cs
- WebPartDescription.cs
- MaterialCollection.cs
- SQLSingleStorage.cs
- WebBrowserContainer.cs
- Hash.cs
- CompilerInfo.cs
- ConfigXmlWhitespace.cs
- ListBindingHelper.cs
- MemoryFailPoint.cs
- SwitchElementsCollection.cs
- DynamicEndpointElement.cs
- ClientConvert.cs
- InputLanguageSource.cs
- EncoderFallback.cs