Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / 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
- Keyboard.cs
- Types.cs
- MulticastNotSupportedException.cs
- ListManagerBindingsCollection.cs
- GenerateTemporaryTargetAssembly.cs
- ListViewItemMouseHoverEvent.cs
- RayHitTestParameters.cs
- UidManager.cs
- _IPv4Address.cs
- SuppressMergeCheckAttribute.cs
- WindowsListViewGroupHelper.cs
- DataMemberFieldConverter.cs
- ProxyHelper.cs
- PtsCache.cs
- WebPartConnectionCollection.cs
- BezierSegment.cs
- SqlConnectionHelper.cs
- IdentifierService.cs
- CompilerState.cs
- PointAnimationBase.cs
- CompilationSection.cs
- ImageIndexEditor.cs
- LinkedList.cs
- XLinq.cs
- BitmapFrame.cs
- OdbcTransaction.cs
- Directory.cs
- TrailingSpaceComparer.cs
- COAUTHINFO.cs
- FormDocumentDesigner.cs
- PopOutPanel.cs
- HostProtectionException.cs
- Win32Native.cs
- KnownTypesHelper.cs
- EventEntry.cs
- CheckBoxAutomationPeer.cs
- CodeSnippetExpression.cs
- PrintPreviewDialog.cs
- XmlEncoding.cs
- SqlInternalConnection.cs
- EndPoint.cs
- XD.cs
- DataMemberConverter.cs
- TableLayoutCellPaintEventArgs.cs
- Int32CAMarshaler.cs
- Polygon.cs
- Set.cs
- FormsAuthenticationUser.cs
- ComponentChangingEvent.cs
- MILUtilities.cs
- CachingHintValidation.cs
- ProfileProvider.cs
- NumberSubstitution.cs
- PageThemeBuildProvider.cs
- CodeStatement.cs
- AppSecurityManager.cs
- ControlParameter.cs
- HttpCachePolicy.cs
- SparseMemoryStream.cs
- CodeAccessSecurityEngine.cs
- BindingExpression.cs
- ModelServiceImpl.cs
- Rect3DConverter.cs
- SafeHandles.cs
- ISessionStateStore.cs
- DataPagerCommandEventArgs.cs
- ProjectedWrapper.cs
- TableStyle.cs
- BamlWriter.cs
- CmsUtils.cs
- SQLMoney.cs
- MemoryFailPoint.cs
- AttachedAnnotation.cs
- HandlerFactoryWrapper.cs
- securestring.cs
- ButtonField.cs
- ImportStoreException.cs
- ConfigurationSettings.cs
- UntrustedRecipientException.cs
- GorillaCodec.cs
- HtmlInputText.cs
- ToolStripCodeDomSerializer.cs
- ToolBarButtonClickEvent.cs
- ProviderMetadataCachedInformation.cs
- OleDbPropertySetGuid.cs
- MessageBox.cs
- TransformValueSerializer.cs
- TextBounds.cs
- PixelFormat.cs
- ObjectSpanRewriter.cs
- KeyboardDevice.cs
- SpeechUI.cs
- MenuItemStyleCollection.cs
- AdornerPresentationContext.cs
- ImportCatalogPart.cs
- XamlPoint3DCollectionSerializer.cs
- WebBrowserBase.cs
- ErrorHandler.cs
- MachineKeySection.cs
- ObjectDataSourceWizardForm.cs