Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Misc / GDI / WindowsPen.cs / 1305376 / WindowsPen.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- #if [....]_NAMESPACE namespace System.Windows.Forms.Internal #elif DRAWING_NAMESPACE namespace System.Drawing.Internal #else namespace System.Experimental.Gdi #endif { using System; using System.Internal; using System.Runtime.InteropServices; using System.ComponentModel; using System.Diagnostics; using System.Drawing; using System.Drawing.Drawing2D; using System.Globalization; using System.Runtime.Versioning; ////// #if [....]_PUBLIC_GRAPHICS_LIBRARY public #else internal #endif sealed partial class WindowsPen : MarshalByRefObject, ICloneable, IDisposable { // // Handle to the native Windows pen object. // private IntPtr nativeHandle; private const int dashStyleMask = 0x0000000F; private const int endCapMask = 0x00000F00; private const int joinMask = 0x0000F000; private DeviceContext dc; // // Fields with default values // private WindowsBrush wndBrush; private WindowsPenStyle style; private Color color; private int width; private const int cosmeticPenWidth = 1; // Cosmetic pen width. #if GDI_FINALIZATION_WATCH private string AllocationSite = DbgUtil.StackTrace; #endif [ResourceExposure(ResourceScope.Process)] [ResourceConsumption(ResourceScope.Process)] public WindowsPen(DeviceContext dc) : this( dc, WindowsPenStyle.Default, cosmeticPenWidth, Color.Black ) { } [ResourceExposure(ResourceScope.Process)] [ResourceConsumption(ResourceScope.Process)] public WindowsPen(DeviceContext dc, Color color ) : this( dc, WindowsPenStyle.Default, cosmeticPenWidth, color ) { } [ResourceExposure(ResourceScope.Process)] [ResourceConsumption(ResourceScope.Process)] public WindowsPen(DeviceContext dc, WindowsBrush windowsBrush ) : this( dc, WindowsPenStyle.Default, cosmeticPenWidth, windowsBrush ) { } [ResourceExposure(ResourceScope.Process)] public WindowsPen(DeviceContext dc, WindowsPenStyle style, int width, Color color) { this.style = style; this.width = width; this.color = color; this.dc = dc; // CreatePen() created on demand. } [ResourceExposure(ResourceScope.Process)] [ResourceConsumption(ResourceScope.Process)] public WindowsPen(DeviceContext dc, WindowsPenStyle style, int width, WindowsBrush windowsBrush ) { Debug.Assert(windowsBrush != null, "null windowsBrush" ); this.style = style; this.wndBrush = (WindowsBrush) windowsBrush.Clone(); this.width = width; this.color = windowsBrush.Color; this.dc = dc; // CreatePen() created on demand. } [ResourceExposure(ResourceScope.Process)] [ResourceConsumption(ResourceScope.Process)] private void CreatePen() { if (this.width > 1) // Geometric pen. { // From MSDN: if width > 1, the style must be PS_NULL, PS_SOLID, or PS_INSIDEFRAME. this.style |= WindowsPenStyle.Geometric | WindowsPenStyle.Solid; } if (this.wndBrush == null) { this.nativeHandle = IntSafeNativeMethods.CreatePen((int) this.style, this.width, ColorTranslator.ToWin32(this.color) ); } else { IntNativeMethods.LOGBRUSH lb = new IntNativeMethods.LOGBRUSH(); lb.lbColor = ColorTranslator.ToWin32( this.wndBrush.Color ); lb.lbStyle = IntNativeMethods.BS_SOLID; lb.lbHatch = 0; // // Note: We currently don't support custom styles, that's why 0 and null for last two params. this.nativeHandle = IntSafeNativeMethods.ExtCreatePen((int)this.style, this.width, lb, 0, null ); } } [ResourceExposure(ResourceScope.Process)] [ResourceConsumption(ResourceScope.Process)] public object Clone() { return (this.wndBrush != null) ? new WindowsPen(this.dc, this.style, this.width, (WindowsBrush) this.wndBrush.Clone()) : new WindowsPen(this.dc, this.style, this.width, this.color); } ~WindowsPen() { Dispose(false); } public void Dispose() { Dispose(true); } void Dispose(bool disposing) { if (this.nativeHandle != IntPtr.Zero && dc != null) { DbgUtil.AssertFinalization(this, disposing); dc.DeleteObject(this.nativeHandle, GdiObjectType.Pen); this.nativeHandle = IntPtr.Zero; } if (this.wndBrush != null) { this.wndBrush.Dispose(); this.wndBrush = null; } if (disposing) { GC.SuppressFinalize(this); } } public IntPtr HPen { get { if( this.nativeHandle == IntPtr.Zero ) { CreatePen(); } return this.nativeHandle; } } public override string ToString() { return String.Format( CultureInfo.InvariantCulture, "{0}: Style={1}, Color={2}, Width={3}, Brush={4}", this.GetType().Name, this.style, this.color, this.width, this.wndBrush != null ? this.wndBrush.ToString() : "null" ); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ ///// Encapsulates a GDI Pen object. /// ///// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- #if [....]_NAMESPACE namespace System.Windows.Forms.Internal #elif DRAWING_NAMESPACE namespace System.Drawing.Internal #else namespace System.Experimental.Gdi #endif { using System; using System.Internal; using System.Runtime.InteropServices; using System.ComponentModel; using System.Diagnostics; using System.Drawing; using System.Drawing.Drawing2D; using System.Globalization; using System.Runtime.Versioning; ////// #if [....]_PUBLIC_GRAPHICS_LIBRARY public #else internal #endif sealed partial class WindowsPen : MarshalByRefObject, ICloneable, IDisposable { // // Handle to the native Windows pen object. // private IntPtr nativeHandle; private const int dashStyleMask = 0x0000000F; private const int endCapMask = 0x00000F00; private const int joinMask = 0x0000F000; private DeviceContext dc; // // Fields with default values // private WindowsBrush wndBrush; private WindowsPenStyle style; private Color color; private int width; private const int cosmeticPenWidth = 1; // Cosmetic pen width. #if GDI_FINALIZATION_WATCH private string AllocationSite = DbgUtil.StackTrace; #endif [ResourceExposure(ResourceScope.Process)] [ResourceConsumption(ResourceScope.Process)] public WindowsPen(DeviceContext dc) : this( dc, WindowsPenStyle.Default, cosmeticPenWidth, Color.Black ) { } [ResourceExposure(ResourceScope.Process)] [ResourceConsumption(ResourceScope.Process)] public WindowsPen(DeviceContext dc, Color color ) : this( dc, WindowsPenStyle.Default, cosmeticPenWidth, color ) { } [ResourceExposure(ResourceScope.Process)] [ResourceConsumption(ResourceScope.Process)] public WindowsPen(DeviceContext dc, WindowsBrush windowsBrush ) : this( dc, WindowsPenStyle.Default, cosmeticPenWidth, windowsBrush ) { } [ResourceExposure(ResourceScope.Process)] public WindowsPen(DeviceContext dc, WindowsPenStyle style, int width, Color color) { this.style = style; this.width = width; this.color = color; this.dc = dc; // CreatePen() created on demand. } [ResourceExposure(ResourceScope.Process)] [ResourceConsumption(ResourceScope.Process)] public WindowsPen(DeviceContext dc, WindowsPenStyle style, int width, WindowsBrush windowsBrush ) { Debug.Assert(windowsBrush != null, "null windowsBrush" ); this.style = style; this.wndBrush = (WindowsBrush) windowsBrush.Clone(); this.width = width; this.color = windowsBrush.Color; this.dc = dc; // CreatePen() created on demand. } [ResourceExposure(ResourceScope.Process)] [ResourceConsumption(ResourceScope.Process)] private void CreatePen() { if (this.width > 1) // Geometric pen. { // From MSDN: if width > 1, the style must be PS_NULL, PS_SOLID, or PS_INSIDEFRAME. this.style |= WindowsPenStyle.Geometric | WindowsPenStyle.Solid; } if (this.wndBrush == null) { this.nativeHandle = IntSafeNativeMethods.CreatePen((int) this.style, this.width, ColorTranslator.ToWin32(this.color) ); } else { IntNativeMethods.LOGBRUSH lb = new IntNativeMethods.LOGBRUSH(); lb.lbColor = ColorTranslator.ToWin32( this.wndBrush.Color ); lb.lbStyle = IntNativeMethods.BS_SOLID; lb.lbHatch = 0; // // Note: We currently don't support custom styles, that's why 0 and null for last two params. this.nativeHandle = IntSafeNativeMethods.ExtCreatePen((int)this.style, this.width, lb, 0, null ); } } [ResourceExposure(ResourceScope.Process)] [ResourceConsumption(ResourceScope.Process)] public object Clone() { return (this.wndBrush != null) ? new WindowsPen(this.dc, this.style, this.width, (WindowsBrush) this.wndBrush.Clone()) : new WindowsPen(this.dc, this.style, this.width, this.color); } ~WindowsPen() { Dispose(false); } public void Dispose() { Dispose(true); } void Dispose(bool disposing) { if (this.nativeHandle != IntPtr.Zero && dc != null) { DbgUtil.AssertFinalization(this, disposing); dc.DeleteObject(this.nativeHandle, GdiObjectType.Pen); this.nativeHandle = IntPtr.Zero; } if (this.wndBrush != null) { this.wndBrush.Dispose(); this.wndBrush = null; } if (disposing) { GC.SuppressFinalize(this); } } public IntPtr HPen { get { if( this.nativeHandle == IntPtr.Zero ) { CreatePen(); } return this.nativeHandle; } } public override string ToString() { return String.Format( CultureInfo.InvariantCulture, "{0}: Style={1}, Color={2}, Width={3}, Brush={4}", this.GetType().Name, this.style, this.color, this.width, this.wndBrush != null ? this.wndBrush.ToString() : "null" ); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007./// Encapsulates a GDI Pen object. /// ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- OpenFileDialog.cs
- MarkupCompilePass1.cs
- CombinedHttpChannel.cs
- OpCellTreeNode.cs
- CodeCommentStatementCollection.cs
- RectKeyFrameCollection.cs
- BitmapScalingModeValidation.cs
- IInstanceTable.cs
- TdsValueSetter.cs
- XmlSerializationReader.cs
- SplitterPanel.cs
- StorageRoot.cs
- RootAction.cs
- DispatcherSynchronizationContext.cs
- TransactedBatchingBehavior.cs
- DnsPermission.cs
- ChildTable.cs
- XmlSchemaSubstitutionGroup.cs
- ZipIOLocalFileDataDescriptor.cs
- FamilyMap.cs
- HyperLinkField.cs
- QuerySettings.cs
- PointValueSerializer.cs
- WebPartExportVerb.cs
- RelatedImageListAttribute.cs
- SqlBuilder.cs
- MetabaseSettingsIis7.cs
- PersonalizationStateInfoCollection.cs
- SortExpressionBuilder.cs
- ExpressionConverter.cs
- ContextMenuService.cs
- XmlDataSourceNodeDescriptor.cs
- ObjectPersistData.cs
- EventDescriptorCollection.cs
- ExpressionConverter.cs
- AssertFilter.cs
- RewritingSimplifier.cs
- EntityType.cs
- DnsEndPoint.cs
- ApplicationServiceHelper.cs
- SessionEndingEventArgs.cs
- AspCompat.cs
- ObjectDataSourceView.cs
- TableNameAttribute.cs
- TdsParserStaticMethods.cs
- CreatingCookieEventArgs.cs
- KoreanCalendar.cs
- ProfileModule.cs
- CalendarAutoFormat.cs
- QueryContinueDragEvent.cs
- LifetimeMonitor.cs
- RtfFormatStack.cs
- TextEditorThreadLocalStore.cs
- SqlNotificationRequest.cs
- _PooledStream.cs
- ProfileModule.cs
- InlineCollection.cs
- Types.cs
- WebPartConnectionsConnectVerb.cs
- ApplicationSecurityManager.cs
- X509Certificate2Collection.cs
- sqlstateclientmanager.cs
- DesignerHierarchicalDataSourceView.cs
- WebMessageEncodingBindingElement.cs
- IItemProperties.cs
- UpdatePanelControlTrigger.cs
- ButtonBaseAutomationPeer.cs
- Substitution.cs
- AddInContractAttribute.cs
- TextRunCache.cs
- TreeNodeSelectionProcessor.cs
- FullTrustAssembliesSection.cs
- CommandEventArgs.cs
- WsdlImporter.cs
- Win32Exception.cs
- ContentAlignmentEditor.cs
- SrgsElementFactory.cs
- QueueProcessor.cs
- RootBrowserWindowProxy.cs
- SmtpDigestAuthenticationModule.cs
- COM2ExtendedTypeConverter.cs
- ResolveDuplexCD1AsyncResult.cs
- SamlAuthorizationDecisionStatement.cs
- WebConfigurationManager.cs
- Util.cs
- ConfigurationManagerHelper.cs
- StringKeyFrameCollection.cs
- Stroke.cs
- KeyTime.cs
- DbDataAdapter.cs
- InputElement.cs
- OutOfMemoryException.cs
- MultiPageTextView.cs
- Symbol.cs
- DataSourceProvider.cs
- GlobalizationSection.cs
- StringValueConverter.cs
- SafeEventLogWriteHandle.cs
- DataGridViewRowCollection.cs
- WebDescriptionAttribute.cs