Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / WinForms / Managed / System / WinForms / DrawItemEvent.cs / 1 / DrawItemEvent.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms { using System.Diagnostics; using System; using System.ComponentModel; using System.Drawing; using Microsoft.Win32; ////// /// This event is fired by owner draw Controls, such as ListBoxes and /// ComboBoxes. It contains all the information needed for the user to /// paint the given item, including the item index, the Rectangle in which /// the drawing should be done, and the Graphics object with which the drawing /// should be done. /// public class DrawItemEventArgs : EventArgs { ////// /// The backColor to paint each menu item with. /// private Color backColor; ////// /// The foreColor to paint each menu item with. /// private Color foreColor; ////// /// The font used to draw the item's string. /// private Font font; ////// /// The graphics object with which the drawing should be done. /// private readonly System.Drawing.Graphics graphics; ////// /// The index of the item that should be painted. /// private readonly int index; ////// /// The rectangle outlining the area in which the painting should be /// done. /// private readonly Rectangle rect; ////// /// Miscellaneous state information, such as whether the item is /// "selected", "focused", or some other such information. ComboBoxes /// have one special piece of information which indicates if the item /// being painted is the editable portion of the ComboBox. /// private readonly DrawItemState state; ////// /// Creates a new DrawItemEventArgs with the given parameters. /// public DrawItemEventArgs(Graphics graphics, Font font, Rectangle rect, int index, DrawItemState state) { this.graphics = graphics; this.font = font; this.rect = rect; this.index = index; this.state = state; this.foreColor = SystemColors.WindowText; this.backColor = SystemColors.Window; } ////// /// Creates a new DrawItemEventArgs with the given parameters, including the foreColor and backColor of the control. /// public DrawItemEventArgs(Graphics graphics, Font font, Rectangle rect, int index, DrawItemState state, Color foreColor, Color backColor) { this.graphics = graphics; this.font = font; this.rect = rect; this.index = index; this.state = state; this.foreColor = foreColor; this.backColor = backColor; } ///public Color BackColor { get { if ((state & DrawItemState.Selected) == DrawItemState.Selected) { return SystemColors.Highlight; } return backColor; } } /// /// /// The rectangle outlining the area in which the painting should be /// done. /// public Rectangle Bounds { get { return rect; } } ////// /// A suggested font, usually the parent control's Font property. /// public Font Font { get { return font; } } ////// /// A suggested color drawing: either SystemColors.WindowText or SystemColors.HighlightText, /// depending on whether this item is selected. /// public Color ForeColor { get { if ((state & DrawItemState.Selected) == DrawItemState.Selected) { return SystemColors.HighlightText; } return foreColor; } } ////// /// Graphics object with which painting should be done. /// public Graphics Graphics { get { return graphics; } } ////// /// The index of the item that should be painted. /// public int Index { get { return index; } } ////// /// Miscellaneous state information, such as whether the item is /// "selected", "focused", or some other such information. ComboBoxes /// have one special piece of information which indicates if the item /// being painted is the editable portion of the ComboBox. /// public DrawItemState State { get { return state; } } ////// /// Draws the background of the given rectangle with the color returned from the BackColor property. /// public virtual void DrawBackground() { Brush backBrush = new SolidBrush(BackColor); Graphics.FillRectangle(backBrush, rect); backBrush.Dispose(); } ////// /// Draws a handy focus rect in the given rectangle. /// public virtual void DrawFocusRectangle() { if ((state & DrawItemState.Focus) == DrawItemState.Focus && (state & DrawItemState.NoFocusRect) != DrawItemState.NoFocusRect) ControlPaint.DrawFocusRectangle(Graphics, rect, ForeColor, BackColor); } } } // 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; using System.ComponentModel; using System.Drawing; using Microsoft.Win32; ////// /// This event is fired by owner draw Controls, such as ListBoxes and /// ComboBoxes. It contains all the information needed for the user to /// paint the given item, including the item index, the Rectangle in which /// the drawing should be done, and the Graphics object with which the drawing /// should be done. /// public class DrawItemEventArgs : EventArgs { ////// /// The backColor to paint each menu item with. /// private Color backColor; ////// /// The foreColor to paint each menu item with. /// private Color foreColor; ////// /// The font used to draw the item's string. /// private Font font; ////// /// The graphics object with which the drawing should be done. /// private readonly System.Drawing.Graphics graphics; ////// /// The index of the item that should be painted. /// private readonly int index; ////// /// The rectangle outlining the area in which the painting should be /// done. /// private readonly Rectangle rect; ////// /// Miscellaneous state information, such as whether the item is /// "selected", "focused", or some other such information. ComboBoxes /// have one special piece of information which indicates if the item /// being painted is the editable portion of the ComboBox. /// private readonly DrawItemState state; ////// /// Creates a new DrawItemEventArgs with the given parameters. /// public DrawItemEventArgs(Graphics graphics, Font font, Rectangle rect, int index, DrawItemState state) { this.graphics = graphics; this.font = font; this.rect = rect; this.index = index; this.state = state; this.foreColor = SystemColors.WindowText; this.backColor = SystemColors.Window; } ////// /// Creates a new DrawItemEventArgs with the given parameters, including the foreColor and backColor of the control. /// public DrawItemEventArgs(Graphics graphics, Font font, Rectangle rect, int index, DrawItemState state, Color foreColor, Color backColor) { this.graphics = graphics; this.font = font; this.rect = rect; this.index = index; this.state = state; this.foreColor = foreColor; this.backColor = backColor; } ///public Color BackColor { get { if ((state & DrawItemState.Selected) == DrawItemState.Selected) { return SystemColors.Highlight; } return backColor; } } /// /// /// The rectangle outlining the area in which the painting should be /// done. /// public Rectangle Bounds { get { return rect; } } ////// /// A suggested font, usually the parent control's Font property. /// public Font Font { get { return font; } } ////// /// A suggested color drawing: either SystemColors.WindowText or SystemColors.HighlightText, /// depending on whether this item is selected. /// public Color ForeColor { get { if ((state & DrawItemState.Selected) == DrawItemState.Selected) { return SystemColors.HighlightText; } return foreColor; } } ////// /// Graphics object with which painting should be done. /// public Graphics Graphics { get { return graphics; } } ////// /// The index of the item that should be painted. /// public int Index { get { return index; } } ////// /// Miscellaneous state information, such as whether the item is /// "selected", "focused", or some other such information. ComboBoxes /// have one special piece of information which indicates if the item /// being painted is the editable portion of the ComboBox. /// public DrawItemState State { get { return state; } } ////// /// Draws the background of the given rectangle with the color returned from the BackColor property. /// public virtual void DrawBackground() { Brush backBrush = new SolidBrush(BackColor); Graphics.FillRectangle(backBrush, rect); backBrush.Dispose(); } ////// /// Draws a handy focus rect in the given rectangle. /// public virtual void DrawFocusRectangle() { if ((state & DrawItemState.Focus) == DrawItemState.Focus && (state & DrawItemState.NoFocusRect) != DrawItemState.NoFocusRect) ControlPaint.DrawFocusRectangle(Graphics, rect, ForeColor, BackColor); } } } // 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
- HashCodeCombiner.cs
- ServiceProviders.cs
- OraclePermissionAttribute.cs
- FileInfo.cs
- EventRecord.cs
- DocumentOutline.cs
- sortedlist.cs
- DynamicResourceExtensionConverter.cs
- CanExecuteRoutedEventArgs.cs
- IResourceProvider.cs
- ChannelEndpointElement.cs
- StubHelpers.cs
- StringComparer.cs
- SQLChars.cs
- FileLoadException.cs
- CapabilitiesPattern.cs
- EtwTrackingParticipant.cs
- ModuleConfigurationInfo.cs
- PointAnimationUsingKeyFrames.cs
- QuotedPrintableStream.cs
- ResourceDictionaryCollection.cs
- HttpResponseBase.cs
- Triangle.cs
- PingReply.cs
- CapabilitiesSection.cs
- DropShadowEffect.cs
- ControlParameter.cs
- CodeMemberField.cs
- DesignerOptions.cs
- TreeNodeMouseHoverEvent.cs
- TextEndOfLine.cs
- AssemblyBuilderData.cs
- TriggerBase.cs
- LayoutInformation.cs
- HttpHeaderCollection.cs
- InvalidEnumArgumentException.cs
- ByteStreamMessageEncoder.cs
- VectorCollectionConverter.cs
- StringUtil.cs
- StorageInfo.cs
- SymbolPair.cs
- ChtmlTextWriter.cs
- BaseComponentEditor.cs
- TimeoutConverter.cs
- HostingMessageProperty.cs
- Predicate.cs
- AdRotator.cs
- XmlIncludeAttribute.cs
- Completion.cs
- MarkupCompilePass2.cs
- ContainsSearchOperator.cs
- SpellerStatusTable.cs
- ToolStripItemCollection.cs
- TabPage.cs
- InputLangChangeRequestEvent.cs
- xdrvalidator.cs
- ByeOperationAsyncResult.cs
- validation.cs
- NavigateUrlConverter.cs
- DrawingDrawingContext.cs
- DesignerCommandSet.cs
- ProcessInfo.cs
- SchemaElementDecl.cs
- IconConverter.cs
- ContextBase.cs
- Int32AnimationUsingKeyFrames.cs
- QilName.cs
- BitmapScalingModeValidation.cs
- AlgoModule.cs
- Ipv6Element.cs
- Comparer.cs
- RelativeSource.cs
- RequestQueue.cs
- XmlWhitespace.cs
- ToolStripGrip.cs
- EventHandlersDesigner.cs
- PageContent.cs
- PageAction.cs
- ImageField.cs
- XPathSelfQuery.cs
- ErrorProvider.cs
- Point3DIndependentAnimationStorage.cs
- ImportDesigner.xaml.cs
- ListBindableAttribute.cs
- Rule.cs
- SystemIPInterfaceStatistics.cs
- LogExtentCollection.cs
- StringValidatorAttribute.cs
- DecoderNLS.cs
- XPathCompileException.cs
- WindowsTreeView.cs
- ConnectionManagementElementCollection.cs
- InstanceDataCollectionCollection.cs
- AssociationEndMember.cs
- AssemblyAttributesGoHere.cs
- PropertySet.cs
- MsmqIntegrationBindingElement.cs
- UserNameSecurityTokenProvider.cs
- httpapplicationstate.cs
- WebPartDisplayModeCollection.cs