Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / WinForms / Managed / System / WinForms / ListViewInsertionMark.cs / 1 / 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. //------------------------------------------------------------------------------ //// 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
- State.cs
- NamespaceImport.cs
- ProtocolsConfiguration.cs
- DataGridViewTopRowAccessibleObject.cs
- AudioDeviceOut.cs
- Tile.cs
- ErrorEventArgs.cs
- Exceptions.cs
- ChannelSinkStacks.cs
- SourceFileBuildProvider.cs
- HttpException.cs
- WebBrowserContainer.cs
- SafeEventLogReadHandle.cs
- JsonFaultDetail.cs
- DataException.cs
- SizeFConverter.cs
- User.cs
- X509CertificateInitiatorServiceCredential.cs
- InternalConfigConfigurationFactory.cs
- ZoneButton.cs
- RawStylusActions.cs
- ManifestSignedXml.cs
- ServiceContractGenerationContext.cs
- OleDbConnectionInternal.cs
- securitycriticaldataformultiplegetandset.cs
- CompositeClientFormatter.cs
- SpeechUI.cs
- SmiSettersStream.cs
- StandardOleMarshalObject.cs
- SqlXmlStorage.cs
- FlowDocumentReaderAutomationPeer.cs
- ApplicationServiceManager.cs
- FrameworkElement.cs
- SerialStream.cs
- HuffCodec.cs
- SqlNodeTypeOperators.cs
- CalendarDataBindingHandler.cs
- FontFamilyValueSerializer.cs
- GlyphShapingProperties.cs
- NamedPermissionSet.cs
- UIElement3D.cs
- IisTraceWebEventProvider.cs
- PermissionSet.cs
- LinqDataSourceInsertEventArgs.cs
- ContextBase.cs
- NetPipeSection.cs
- AuthenticationModuleElement.cs
- FtpWebRequest.cs
- VariableQuery.cs
- InternalEnumValidatorAttribute.cs
- DBNull.cs
- PropertyItemInternal.cs
- ListCollectionView.cs
- DataBinder.cs
- PaginationProgressEventArgs.cs
- DocumentAutomationPeer.cs
- Encoder.cs
- bidPrivateBase.cs
- SafeBitVector32.cs
- SemanticKeyElement.cs
- XmlEncodedRawTextWriter.cs
- BindingElementCollection.cs
- GeneratedContractType.cs
- SubpageParaClient.cs
- SHA256.cs
- SelfIssuedTokenFactoryCredential.cs
- AudioFormatConverter.cs
- SoapAttributes.cs
- WithParamAction.cs
- IndentedWriter.cs
- ChangeConflicts.cs
- Calendar.cs
- XmlRawWriter.cs
- SymbolMethod.cs
- OLEDB_Util.cs
- MouseCaptureWithinProperty.cs
- ActivityMarkupSerializer.cs
- WpfSharedXamlSchemaContext.cs
- AssertSection.cs
- ScrollViewer.cs
- ObjectSerializerFactory.cs
- MethodCallExpression.cs
- RootBuilder.cs
- JavascriptCallbackResponseProperty.cs
- SerialPort.cs
- TypeElementCollection.cs
- DbProviderSpecificTypePropertyAttribute.cs
- Shape.cs
- XmlSchemaParticle.cs
- PerformanceCounter.cs
- DecimalConstantAttribute.cs
- PageFunction.cs
- SemanticBasicElement.cs
- ToolboxItem.cs
- OperationCanceledException.cs
- InputLanguageSource.cs
- ScrollProviderWrapper.cs
- DivideByZeroException.cs
- CodeValidator.cs
- Table.cs