Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / WinForms / Managed / System / WinForms / DrawListViewItemEventArgs.cs / 1 / DrawListViewItemEventArgs.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms { using System.Diagnostics; using System.Diagnostics.CodeAnalysis; using System; using System.ComponentModel; using System.Drawing; using System.Windows.Forms.Internal; using Microsoft.Win32; using System.Windows.Forms.VisualStyles; ////// /// This class contains the information a user needs to paint ListView items. /// public class DrawListViewItemEventArgs : EventArgs { private readonly Graphics graphics; private readonly ListViewItem item; private readonly Rectangle bounds; private readonly int itemIndex; private readonly ListViewItemStates state; private bool drawDefault; ////// /// Creates a new DrawListViewItemEventArgs with the given parameters. /// public DrawListViewItemEventArgs(Graphics graphics, ListViewItem item, Rectangle bounds, int itemIndex, ListViewItemStates state) { this.graphics = graphics; this.item = item; this.bounds = bounds; this.itemIndex = itemIndex; this.state = state; this.drawDefault = false; } ////// /// Causes the item do be drawn by the system instead of owner drawn. /// public bool DrawDefault { get { return drawDefault; } set { drawDefault = value; } } ////// /// Graphics object with which painting should be done. /// public Graphics Graphics { get { return graphics; } } ////// /// The item to be painted. /// public ListViewItem Item { get { return item; } } ////// /// The rectangle outlining the area in which the painting should be done. /// public Rectangle Bounds { get { return bounds; } } ////// /// The index of the item that should be painted. /// public int ItemIndex { get { return itemIndex; } } ////// /// Miscellaneous state information. /// public ListViewItemStates State { get { return state; } } ////// /// Draws the item's background. /// public void DrawBackground() { Brush backBrush = new SolidBrush(item.BackColor); Graphics.FillRectangle(backBrush, bounds); backBrush.Dispose(); } ////// /// Draws a focus rectangle in the given bounds, if the item is focused. In Details View, if FullRowSelect is /// true, the rectangle is drawn around the whole item, else around the first sub-item's text area. /// public void DrawFocusRectangle() { if ((state & ListViewItemStates.Focused) == ListViewItemStates.Focused) { Rectangle focusBounds = bounds; ControlPaint.DrawFocusRectangle(graphics, UpdateBounds(focusBounds, false /*drawText*/), item.ForeColor, item.BackColor); } } ////// /// Draws the item's text (overloaded) - useful only when View != View.Details /// public void DrawText() { DrawText(TextFormatFlags.Left); } ////// /// Draws the item's text (overloaded) - useful only when View != View.Details - takes a TextFormatFlags argument. /// public void DrawText(TextFormatFlags flags) { TextRenderer.DrawText(graphics, item.Text, item.Font, UpdateBounds(bounds, true /*drawText*/), item.ForeColor, flags); } private Rectangle UpdateBounds(Rectangle originalBounds, bool drawText) { Rectangle resultBounds = originalBounds; if (item.ListView.View == View.Details) { // Note: this logic will compute the bounds so they align w/ the system drawn bounds only // for the default font. if (!item.ListView.FullRowSelect && item.SubItems.Count > 0) { ListViewItem.ListViewSubItem subItem = item.SubItems[0]; Size textSize = TextRenderer.MeasureText(subItem.Text, subItem.Font); resultBounds = new Rectangle(originalBounds.X, originalBounds.Y, textSize.Width, textSize.Height); // Add some padding so we paint like the system control paints. resultBounds.X += 4; resultBounds.Width ++; } else { resultBounds.X +=4; resultBounds.Width -= 4; } if (drawText) { resultBounds.X --; } } return resultBounds; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms { using System.Diagnostics; using System.Diagnostics.CodeAnalysis; using System; using System.ComponentModel; using System.Drawing; using System.Windows.Forms.Internal; using Microsoft.Win32; using System.Windows.Forms.VisualStyles; ////// /// This class contains the information a user needs to paint ListView items. /// public class DrawListViewItemEventArgs : EventArgs { private readonly Graphics graphics; private readonly ListViewItem item; private readonly Rectangle bounds; private readonly int itemIndex; private readonly ListViewItemStates state; private bool drawDefault; ////// /// Creates a new DrawListViewItemEventArgs with the given parameters. /// public DrawListViewItemEventArgs(Graphics graphics, ListViewItem item, Rectangle bounds, int itemIndex, ListViewItemStates state) { this.graphics = graphics; this.item = item; this.bounds = bounds; this.itemIndex = itemIndex; this.state = state; this.drawDefault = false; } ////// /// Causes the item do be drawn by the system instead of owner drawn. /// public bool DrawDefault { get { return drawDefault; } set { drawDefault = value; } } ////// /// Graphics object with which painting should be done. /// public Graphics Graphics { get { return graphics; } } ////// /// The item to be painted. /// public ListViewItem Item { get { return item; } } ////// /// The rectangle outlining the area in which the painting should be done. /// public Rectangle Bounds { get { return bounds; } } ////// /// The index of the item that should be painted. /// public int ItemIndex { get { return itemIndex; } } ////// /// Miscellaneous state information. /// public ListViewItemStates State { get { return state; } } ////// /// Draws the item's background. /// public void DrawBackground() { Brush backBrush = new SolidBrush(item.BackColor); Graphics.FillRectangle(backBrush, bounds); backBrush.Dispose(); } ////// /// Draws a focus rectangle in the given bounds, if the item is focused. In Details View, if FullRowSelect is /// true, the rectangle is drawn around the whole item, else around the first sub-item's text area. /// public void DrawFocusRectangle() { if ((state & ListViewItemStates.Focused) == ListViewItemStates.Focused) { Rectangle focusBounds = bounds; ControlPaint.DrawFocusRectangle(graphics, UpdateBounds(focusBounds, false /*drawText*/), item.ForeColor, item.BackColor); } } ////// /// Draws the item's text (overloaded) - useful only when View != View.Details /// public void DrawText() { DrawText(TextFormatFlags.Left); } ////// /// Draws the item's text (overloaded) - useful only when View != View.Details - takes a TextFormatFlags argument. /// public void DrawText(TextFormatFlags flags) { TextRenderer.DrawText(graphics, item.Text, item.Font, UpdateBounds(bounds, true /*drawText*/), item.ForeColor, flags); } private Rectangle UpdateBounds(Rectangle originalBounds, bool drawText) { Rectangle resultBounds = originalBounds; if (item.ListView.View == View.Details) { // Note: this logic will compute the bounds so they align w/ the system drawn bounds only // for the default font. if (!item.ListView.FullRowSelect && item.SubItems.Count > 0) { ListViewItem.ListViewSubItem subItem = item.SubItems[0]; Size textSize = TextRenderer.MeasureText(subItem.Text, subItem.Font); resultBounds = new Rectangle(originalBounds.X, originalBounds.Y, textSize.Width, textSize.Height); // Add some padding so we paint like the system control paints. resultBounds.X += 4; resultBounds.Width ++; } else { resultBounds.X +=4; resultBounds.Width -= 4; } if (drawText) { resultBounds.X --; } } return resultBounds; } } } // 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
- TextDpi.cs
- LogicalCallContext.cs
- DataSourceIDConverter.cs
- Shape.cs
- ClockController.cs
- SecurityElementBase.cs
- XsdCachingReader.cs
- _DomainName.cs
- Identifier.cs
- SafeSecurityHandles.cs
- TypeSystem.cs
- Timeline.cs
- RightNameExpirationInfoPair.cs
- FontEditor.cs
- util.cs
- TextServicesHost.cs
- SharedStream.cs
- UIHelper.cs
- SafeSecurityHelper.cs
- Empty.cs
- HttpCachePolicyElement.cs
- CubicEase.cs
- WinFormsUtils.cs
- TraceInternal.cs
- AspNetHostingPermission.cs
- StringFunctions.cs
- StatusBar.cs
- EncryptedHeader.cs
- Soap.cs
- Cell.cs
- SpecularMaterial.cs
- CodeFieldReferenceExpression.cs
- FontStyle.cs
- LinqTreeNodeEvaluator.cs
- ObjectView.cs
- BinaryExpression.cs
- IntranetCredentialPolicy.cs
- SslStream.cs
- WorkerRequest.cs
- ObjectDataProvider.cs
- ListDataBindEventArgs.cs
- TagPrefixAttribute.cs
- PersonalizationStateInfo.cs
- FixedTextView.cs
- EntityModelSchemaGenerator.cs
- IncomingWebRequestContext.cs
- CalendarTable.cs
- XmlLoader.cs
- XmlNamespaceMappingCollection.cs
- EventLogPermission.cs
- DictionaryEditChange.cs
- ContextMenuStrip.cs
- CDSCollectionETWBCLProvider.cs
- AnnotationAdorner.cs
- SqlConnectionManager.cs
- PeerSecurityHelpers.cs
- CodeThrowExceptionStatement.cs
- BookmarkScope.cs
- StorageScalarPropertyMapping.cs
- XmlNode.cs
- QuotedStringFormatReader.cs
- DesignerDataSchemaClass.cs
- SignatureHelper.cs
- Config.cs
- OdbcConnectionStringbuilder.cs
- BooleanStorage.cs
- EndGetFileNameFromUserRequest.cs
- BufferedOutputStream.cs
- VisualTreeUtils.cs
- MailMessageEventArgs.cs
- ResourceProperty.cs
- DesigntimeLicenseContext.cs
- PerspectiveCamera.cs
- TableTextElementCollectionInternal.cs
- DeploymentSectionCache.cs
- VarInfo.cs
- HuffModule.cs
- ConfigurationException.cs
- CanonicalXml.cs
- WindowsIPAddress.cs
- Boolean.cs
- TextBoxBase.cs
- ButtonField.cs
- LinkButton.cs
- AncestorChangedEventArgs.cs
- ClassicBorderDecorator.cs
- XmlSignatureManifest.cs
- HandledEventArgs.cs
- DocumentPaginator.cs
- AutoGeneratedFieldProperties.cs
- ProcessMonitor.cs
- SqlInternalConnectionTds.cs
- httpserverutility.cs
- DrawListViewItemEventArgs.cs
- EventLogRecord.cs
- Sql8ConformanceChecker.cs
- XmlSchemaObjectCollection.cs
- EventSinkHelperWriter.cs
- Propagator.ExtentPlaceholderCreator.cs
- ScrollPattern.cs