Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WinForms / System / WinForms / Design / DataGridDesigner.cs / 1 / DataGridDesigner.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms.Design { using System.Design; using System.ComponentModel; using System.Diagnostics; using System.Diagnostics.CodeAnalysis; using System; using System.Collections; using System.Windows.Forms; using System.Data; using System.ComponentModel.Design; using System.Drawing; using Microsoft.Win32; using System.Windows.Forms.ComponentModel; ////// /// internal class DataGridDesigner : System.Windows.Forms.Design.ControlDesigner { ///Provides a base designer for data grids. ////// /// protected DesignerVerbCollection designerVerbs; private IComponentChangeService changeNotificationService = null; ///Gets the design-time verbs suppoted by the component associated with the /// designer. ////// /// private DataGridDesigner() { designerVerbs = new DesignerVerbCollection(); designerVerbs.Add(new DesignerVerb(SR.GetString(SR.DataGridAutoFormatString), new EventHandler(this.OnAutoFormat))); AutoResizeHandles = true; } public override void Initialize(IComponent component) { base.Initialize(component); IDesignerHost dh = (IDesignerHost) this.GetService(typeof(IDesignerHost)); if (dh != null) { changeNotificationService = (IComponentChangeService) dh.GetService(typeof(IComponentChangeService)); if (changeNotificationService != null) changeNotificationService.ComponentRemoved += new ComponentEventHandler(DataSource_ComponentRemoved); } } private void DataSource_ComponentRemoved(object sender, ComponentEventArgs e) { DataGrid d = (DataGrid) this.Component; if (e.Component == d.DataSource) d.DataSource = null; } protected override void Dispose(bool disposing) { if (disposing) { if (changeNotificationService != null) changeNotificationService.ComponentRemoved -= new ComponentEventHandler(DataSource_ComponentRemoved); } base.Dispose(disposing); } ///Initializes a new instance of the ///class. /// /// public override DesignerVerbCollection Verbs { get { return designerVerbs; } } ///Gets the design-time verbs supported by the component associated with the /// designer. ////// /// [ SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes") // See comment inside the method about ignoring errors. ] private void OnAutoFormat(object sender, EventArgs e) { object o = Component; DataGrid dgrid = o as DataGrid; Debug.Assert(dgrid != null, "DataGrid expected."); DataGridAutoFormatDialog dialog = new DataGridAutoFormatDialog(dgrid); if (dialog.ShowDialog() == DialogResult.OK) { DataRow selectedData = dialog.SelectedData; IDesignerHost host = (IDesignerHost)GetService(typeof(IDesignerHost)); DesignerTransaction trans = host.CreateTransaction(SR.GetString(SR.DataGridAutoFormatUndoTitle, Component.Site.Name)); try { if (selectedData != null) { PropertyDescriptorCollection gridProperties = TypeDescriptor.GetProperties(typeof(DataGrid)); foreach (DataColumn c in selectedData.Table.Columns) { object value = selectedData[c]; PropertyDescriptor prop = gridProperties[c.ColumnName]; if (prop != null) { if (Convert.IsDBNull(value) || value.ToString().Length == 0) { prop.ResetValue(dgrid); } else { try { TypeConverter converter = prop.Converter; object convertedValue = converter.ConvertFromString(value.ToString()); prop.SetValue(dgrid, convertedValue); } catch { // Ignore errors... the only one we really care about is Font names. // The TypeConverter will throw if the font isn't on the user's machine } } } } } } finally { trans.Commit(); } // now invalidate the grid dgrid.Invalidate(); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.Raises the AutoFormat event. ///
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- TextEvent.cs
- ImplicitInputBrush.cs
- PrinterSettings.cs
- ObjectAssociationEndMapping.cs
- DesignTimeResourceProviderFactoryAttribute.cs
- XslCompiledTransform.cs
- DataGridViewRowsRemovedEventArgs.cs
- AutomationPropertyInfo.cs
- CurrentChangingEventArgs.cs
- NonBatchDirectoryCompiler.cs
- DateTimeFormatInfoScanner.cs
- Button.cs
- _SslState.cs
- Blend.cs
- ObjectResult.cs
- FixedSOMLineCollection.cs
- TrackingServices.cs
- DoubleAverageAggregationOperator.cs
- ProviderConnectionPointCollection.cs
- ActivityDesignerAccessibleObject.cs
- PasswordRecovery.cs
- TdsParserSessionPool.cs
- IEnumerable.cs
- HttpListener.cs
- VirtualizingPanel.cs
- CodeCommentStatement.cs
- IODescriptionAttribute.cs
- LinkUtilities.cs
- ToolTipService.cs
- WebRequestModuleElement.cs
- WebScriptEnablingBehavior.cs
- LazyTextWriterCreator.cs
- XmlSchemaFacet.cs
- ConnectionStringSettingsCollection.cs
- WSSecurityOneDotZeroSendSecurityHeader.cs
- MessageBox.cs
- HttpPostedFileWrapper.cs
- FormViewCommandEventArgs.cs
- InputProcessorProfilesLoader.cs
- XsltArgumentList.cs
- UntypedNullExpression.cs
- FixedSOMPage.cs
- DecimalAnimation.cs
- Int64Animation.cs
- TemplateKeyConverter.cs
- PeerToPeerException.cs
- ChannelCacheSettings.cs
- XamlReader.cs
- SerializationAttributes.cs
- ParsedAttributeCollection.cs
- SigningCredentials.cs
- DBParameter.cs
- CodeDomSerializer.cs
- SerializableAttribute.cs
- EditCommandColumn.cs
- TextCollapsingProperties.cs
- XmlStreamStore.cs
- XmlEventCache.cs
- xmlsaver.cs
- AutomationElementCollection.cs
- Directory.cs
- EventLogPermissionEntryCollection.cs
- WebBrowserProgressChangedEventHandler.cs
- HasCopySemanticsAttribute.cs
- XPathNavigator.cs
- Calendar.cs
- XmlSchemaSequence.cs
- HttpListenerPrefixCollection.cs
- BamlTreeUpdater.cs
- LayoutEvent.cs
- HScrollBar.cs
- LogicalMethodInfo.cs
- SimpleHandlerBuildProvider.cs
- DbProviderFactories.cs
- TextBoxAutomationPeer.cs
- FilterUserControlBase.cs
- MessageSmuggler.cs
- SecurityManager.cs
- COM2PictureConverter.cs
- ButtonField.cs
- AutomationTextAttribute.cs
- ControlBuilderAttribute.cs
- SessionPageStateSection.cs
- ResXResourceSet.cs
- TextParaLineResult.cs
- QfeChecker.cs
- OutputScope.cs
- DataColumnCollection.cs
- PrintPreviewDialog.cs
- SettingsAttributeDictionary.cs
- RelationshipDetailsCollection.cs
- ThousandthOfEmRealDoubles.cs
- SafeViewOfFileHandle.cs
- MouseOverProperty.cs
- ServiceRouteHandler.cs
- DataColumnCollection.cs
- UserPreferenceChangingEventArgs.cs
- DataSourceXmlClassAttribute.cs
- NameTable.cs
- Model3DGroup.cs