Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / WinForms / Managed / System / WinForms / ButtonRenderer.cs / 1 / ButtonRenderer.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms { using System; using System.Drawing; using System.Diagnostics.CodeAnalysis; using System.Windows.Forms.Internal; using System.Windows.Forms.VisualStyles; using Microsoft.Win32; ////// /// public sealed class ButtonRenderer { //Make this per-thread, so that different threads can safely use these methods. [ThreadStatic] private static VisualStyleRenderer visualStyleRenderer = null; private static readonly VisualStyleElement ButtonElement = VisualStyleElement.Button.PushButton.Normal; private static bool renderMatchingApplicationState = true; //cannot instantiate private ButtonRenderer() { } ////// This is a rendering class for the Button control. It works downlevel too (obviously /// without visual styles applied.) /// ////// /// public static bool RenderMatchingApplicationState { get { return renderMatchingApplicationState; } set { renderMatchingApplicationState = value; } } private static bool RenderWithVisualStyles { get { return (!renderMatchingApplicationState || Application.RenderWithVisualStyles); } } ////// If this property is true, then the renderer will use the setting from Application.RenderWithVisualStyles to /// determine how to render. /// If this property is false, the renderer will always render with visualstyles. /// ////// /// public static bool IsBackgroundPartiallyTransparent(PushButtonState state) { if (RenderWithVisualStyles) { InitializeRenderer((int)state); return visualStyleRenderer.IsBackgroundPartiallyTransparent(); } else { return false; //for downlevel, this is false } } ////// Returns true if the background corresponding to the given state is partially transparent, else false. /// ////// /// [SuppressMessage("Microsoft.Design", "CA1011:ConsiderPassingBaseTypesAsParameters")] public static void DrawParentBackground(Graphics g, Rectangle bounds, Control childControl) { if (RenderWithVisualStyles) { InitializeRenderer(0); visualStyleRenderer.DrawParentBackground(g, bounds, childControl); } } ////// This is just a convenience wrapper for VisualStyleRenderer.DrawThemeParentBackground. For downlevel, /// this isn't required and does nothing. /// ////// /// public static void DrawButton(Graphics g, Rectangle bounds, PushButtonState state) { if (RenderWithVisualStyles) { InitializeRenderer((int)state); visualStyleRenderer.DrawBackground(g, bounds); } else { ControlPaint.DrawButton(g, bounds, ConvertToButtonState(state)); } } ////// Renders a Button control. /// ////// /// public static void DrawButton(Graphics g, Rectangle bounds, bool focused, PushButtonState state) { Rectangle contentBounds; if (RenderWithVisualStyles) { InitializeRenderer((int)state); visualStyleRenderer.DrawBackground(g, bounds); contentBounds = visualStyleRenderer.GetBackgroundContentRectangle(g, bounds); } else { ControlPaint.DrawButton(g, bounds, ConvertToButtonState(state)); contentBounds = Rectangle.Inflate(bounds, -3, -3); } if (focused) { ControlPaint.DrawFocusRectangle(g, contentBounds); } } ////// Renders a Button control. /// ////// /// public static void DrawButton(Graphics g, Rectangle bounds, string buttonText, Font font, bool focused, PushButtonState state) { DrawButton(g, bounds, buttonText, font, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.SingleLine, focused, state); } ////// Renders a Button control. /// ////// /// public static void DrawButton(Graphics g, Rectangle bounds, string buttonText, Font font, TextFormatFlags flags, bool focused, PushButtonState state) { Rectangle contentBounds; Color textColor; if (RenderWithVisualStyles) { InitializeRenderer((int)state); visualStyleRenderer.DrawBackground(g, bounds); contentBounds = visualStyleRenderer.GetBackgroundContentRectangle(g, bounds); textColor = visualStyleRenderer.GetColor(ColorProperty.TextColor); } else { ControlPaint.DrawButton(g, bounds, ConvertToButtonState(state)); contentBounds = Rectangle.Inflate(bounds, -3, -3); textColor = SystemColors.ControlText; } TextRenderer.DrawText(g, buttonText, font, contentBounds, textColor, flags); if (focused) { ControlPaint.DrawFocusRectangle(g, contentBounds); } } ////// Renders a Button control. /// ////// /// public static void DrawButton(Graphics g, Rectangle bounds, Image image, Rectangle imageBounds, bool focused, PushButtonState state) { Rectangle contentBounds; if (RenderWithVisualStyles) { InitializeRenderer((int)state); visualStyleRenderer.DrawBackground(g, bounds); visualStyleRenderer.DrawImage(g, imageBounds, image); contentBounds = visualStyleRenderer.GetBackgroundContentRectangle(g, bounds); } else { ControlPaint.DrawButton(g, bounds, ConvertToButtonState(state)); g.DrawImage(image, imageBounds); contentBounds = Rectangle.Inflate(bounds, -3, -3); } if (focused) { ControlPaint.DrawFocusRectangle(g, contentBounds); } } ////// Renders a Button control. /// ////// /// public static void DrawButton(Graphics g, Rectangle bounds, string buttonText, Font font, Image image, Rectangle imageBounds, bool focused, PushButtonState state) { DrawButton(g, bounds, buttonText, font, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.SingleLine, image, imageBounds, focused, state); } ////// Renders a Button control. /// ////// /// public static void DrawButton(Graphics g, Rectangle bounds, string buttonText, Font font, TextFormatFlags flags, Image image, Rectangle imageBounds, bool focused, PushButtonState state) { Rectangle contentBounds; Color textColor; if (RenderWithVisualStyles) { InitializeRenderer((int)state); visualStyleRenderer.DrawBackground(g, bounds); visualStyleRenderer.DrawImage(g, imageBounds, image); contentBounds = visualStyleRenderer.GetBackgroundContentRectangle(g, bounds); textColor = visualStyleRenderer.GetColor(ColorProperty.TextColor); } else { ControlPaint.DrawButton(g, bounds, ConvertToButtonState(state)); g.DrawImage(image, imageBounds); contentBounds = Rectangle.Inflate(bounds, -3, -3); textColor = SystemColors.ControlText; } TextRenderer.DrawText(g, buttonText, font, contentBounds, textColor, flags); if (focused) { ControlPaint.DrawFocusRectangle(g, contentBounds); } } internal static ButtonState ConvertToButtonState(PushButtonState state) { switch (state) { case PushButtonState.Pressed: return ButtonState.Pushed; case PushButtonState.Disabled: return ButtonState.Inactive; default: return ButtonState.Normal; } } private static void InitializeRenderer(int state) { if (visualStyleRenderer == null) { visualStyleRenderer = new VisualStyleRenderer(ButtonElement.ClassName, ButtonElement.Part, state); } else { visualStyleRenderer.SetParameters(ButtonElement.ClassName, ButtonElement.Part, state); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ ///// Renders a Button control. /// ///// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms { using System; using System.Drawing; using System.Diagnostics.CodeAnalysis; using System.Windows.Forms.Internal; using System.Windows.Forms.VisualStyles; using Microsoft.Win32; ////// /// public sealed class ButtonRenderer { //Make this per-thread, so that different threads can safely use these methods. [ThreadStatic] private static VisualStyleRenderer visualStyleRenderer = null; private static readonly VisualStyleElement ButtonElement = VisualStyleElement.Button.PushButton.Normal; private static bool renderMatchingApplicationState = true; //cannot instantiate private ButtonRenderer() { } ////// This is a rendering class for the Button control. It works downlevel too (obviously /// without visual styles applied.) /// ////// /// public static bool RenderMatchingApplicationState { get { return renderMatchingApplicationState; } set { renderMatchingApplicationState = value; } } private static bool RenderWithVisualStyles { get { return (!renderMatchingApplicationState || Application.RenderWithVisualStyles); } } ////// If this property is true, then the renderer will use the setting from Application.RenderWithVisualStyles to /// determine how to render. /// If this property is false, the renderer will always render with visualstyles. /// ////// /// public static bool IsBackgroundPartiallyTransparent(PushButtonState state) { if (RenderWithVisualStyles) { InitializeRenderer((int)state); return visualStyleRenderer.IsBackgroundPartiallyTransparent(); } else { return false; //for downlevel, this is false } } ////// Returns true if the background corresponding to the given state is partially transparent, else false. /// ////// /// [SuppressMessage("Microsoft.Design", "CA1011:ConsiderPassingBaseTypesAsParameters")] public static void DrawParentBackground(Graphics g, Rectangle bounds, Control childControl) { if (RenderWithVisualStyles) { InitializeRenderer(0); visualStyleRenderer.DrawParentBackground(g, bounds, childControl); } } ////// This is just a convenience wrapper for VisualStyleRenderer.DrawThemeParentBackground. For downlevel, /// this isn't required and does nothing. /// ////// /// public static void DrawButton(Graphics g, Rectangle bounds, PushButtonState state) { if (RenderWithVisualStyles) { InitializeRenderer((int)state); visualStyleRenderer.DrawBackground(g, bounds); } else { ControlPaint.DrawButton(g, bounds, ConvertToButtonState(state)); } } ////// Renders a Button control. /// ////// /// public static void DrawButton(Graphics g, Rectangle bounds, bool focused, PushButtonState state) { Rectangle contentBounds; if (RenderWithVisualStyles) { InitializeRenderer((int)state); visualStyleRenderer.DrawBackground(g, bounds); contentBounds = visualStyleRenderer.GetBackgroundContentRectangle(g, bounds); } else { ControlPaint.DrawButton(g, bounds, ConvertToButtonState(state)); contentBounds = Rectangle.Inflate(bounds, -3, -3); } if (focused) { ControlPaint.DrawFocusRectangle(g, contentBounds); } } ////// Renders a Button control. /// ////// /// public static void DrawButton(Graphics g, Rectangle bounds, string buttonText, Font font, bool focused, PushButtonState state) { DrawButton(g, bounds, buttonText, font, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.SingleLine, focused, state); } ////// Renders a Button control. /// ////// /// public static void DrawButton(Graphics g, Rectangle bounds, string buttonText, Font font, TextFormatFlags flags, bool focused, PushButtonState state) { Rectangle contentBounds; Color textColor; if (RenderWithVisualStyles) { InitializeRenderer((int)state); visualStyleRenderer.DrawBackground(g, bounds); contentBounds = visualStyleRenderer.GetBackgroundContentRectangle(g, bounds); textColor = visualStyleRenderer.GetColor(ColorProperty.TextColor); } else { ControlPaint.DrawButton(g, bounds, ConvertToButtonState(state)); contentBounds = Rectangle.Inflate(bounds, -3, -3); textColor = SystemColors.ControlText; } TextRenderer.DrawText(g, buttonText, font, contentBounds, textColor, flags); if (focused) { ControlPaint.DrawFocusRectangle(g, contentBounds); } } ////// Renders a Button control. /// ////// /// public static void DrawButton(Graphics g, Rectangle bounds, Image image, Rectangle imageBounds, bool focused, PushButtonState state) { Rectangle contentBounds; if (RenderWithVisualStyles) { InitializeRenderer((int)state); visualStyleRenderer.DrawBackground(g, bounds); visualStyleRenderer.DrawImage(g, imageBounds, image); contentBounds = visualStyleRenderer.GetBackgroundContentRectangle(g, bounds); } else { ControlPaint.DrawButton(g, bounds, ConvertToButtonState(state)); g.DrawImage(image, imageBounds); contentBounds = Rectangle.Inflate(bounds, -3, -3); } if (focused) { ControlPaint.DrawFocusRectangle(g, contentBounds); } } ////// Renders a Button control. /// ////// /// public static void DrawButton(Graphics g, Rectangle bounds, string buttonText, Font font, Image image, Rectangle imageBounds, bool focused, PushButtonState state) { DrawButton(g, bounds, buttonText, font, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.SingleLine, image, imageBounds, focused, state); } ////// Renders a Button control. /// ////// /// public static void DrawButton(Graphics g, Rectangle bounds, string buttonText, Font font, TextFormatFlags flags, Image image, Rectangle imageBounds, bool focused, PushButtonState state) { Rectangle contentBounds; Color textColor; if (RenderWithVisualStyles) { InitializeRenderer((int)state); visualStyleRenderer.DrawBackground(g, bounds); visualStyleRenderer.DrawImage(g, imageBounds, image); contentBounds = visualStyleRenderer.GetBackgroundContentRectangle(g, bounds); textColor = visualStyleRenderer.GetColor(ColorProperty.TextColor); } else { ControlPaint.DrawButton(g, bounds, ConvertToButtonState(state)); g.DrawImage(image, imageBounds); contentBounds = Rectangle.Inflate(bounds, -3, -3); textColor = SystemColors.ControlText; } TextRenderer.DrawText(g, buttonText, font, contentBounds, textColor, flags); if (focused) { ControlPaint.DrawFocusRectangle(g, contentBounds); } } internal static ButtonState ConvertToButtonState(PushButtonState state) { switch (state) { case PushButtonState.Pressed: return ButtonState.Pushed; case PushButtonState.Disabled: return ButtonState.Inactive; default: return ButtonState.Normal; } } private static void InitializeRenderer(int state) { if (visualStyleRenderer == null) { visualStyleRenderer = new VisualStyleRenderer(ButtonElement.ClassName, ButtonElement.Part, state); } else { visualStyleRenderer.SetParameters(ButtonElement.ClassName, ButtonElement.Part, state); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007./// Renders a Button control. /// ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- GeometryHitTestParameters.cs
- WebPartEditorCancelVerb.cs
- PointCollectionValueSerializer.cs
- MimeWriter.cs
- DesignerAutoFormatCollection.cs
- GroupItem.cs
- ISAPIWorkerRequest.cs
- _SingleItemRequestCache.cs
- ContractAdapter.cs
- EditorPartCollection.cs
- ExportException.cs
- WarningException.cs
- PrimitiveCodeDomSerializer.cs
- GeometryModel3D.cs
- Properties.cs
- Page.cs
- HtmlInputButton.cs
- RightsManagementManager.cs
- PrincipalPermission.cs
- StringStorage.cs
- MatrixIndependentAnimationStorage.cs
- login.cs
- ImageListStreamer.cs
- Zone.cs
- UIElementCollection.cs
- DataRelationPropertyDescriptor.cs
- XmlSignatureManifest.cs
- RepeatBehaviorConverter.cs
- XmlSchemaSimpleTypeRestriction.cs
- EnvelopedPkcs7.cs
- LayoutEditorPart.cs
- COM2ICategorizePropertiesHandler.cs
- XmlChildNodes.cs
- PrintDialogException.cs
- ProbeMatches11.cs
- SizeIndependentAnimationStorage.cs
- TextTreeNode.cs
- ExtensibleClassFactory.cs
- NativeRecognizer.cs
- TextAutomationPeer.cs
- XsltArgumentList.cs
- DragDrop.cs
- RadioButtonAutomationPeer.cs
- ForwardPositionQuery.cs
- FormParameter.cs
- DispatcherObject.cs
- SynchronousReceiveElement.cs
- CounterCreationDataCollection.cs
- PropertyInfoSet.cs
- PropertyRecord.cs
- Vector3DConverter.cs
- XmlNullResolver.cs
- StringResourceManager.cs
- CrossContextChannel.cs
- LinkUtilities.cs
- UserControl.cs
- BinaryMethodMessage.cs
- columnmapkeybuilder.cs
- ToolboxItemLoader.cs
- TextTreeUndoUnit.cs
- SecurityHeader.cs
- WebPartDisplayModeCancelEventArgs.cs
- WebColorConverter.cs
- BamlRecordWriter.cs
- WorkerRequest.cs
- VBIdentifierNameEditor.cs
- Interlocked.cs
- HttpConfigurationSystem.cs
- UInt64Storage.cs
- ExecutionContext.cs
- EntryWrittenEventArgs.cs
- _SpnDictionary.cs
- IxmlLineInfo.cs
- MarshalByRefObject.cs
- SamlAuthorizationDecisionStatement.cs
- UInt64Converter.cs
- UserMapPath.cs
- CodeStatement.cs
- DependencyProperty.cs
- RegistrationContext.cs
- AttributeUsageAttribute.cs
- PersonalizationEntry.cs
- CodeSnippetExpression.cs
- UnsafeNativeMethods.cs
- ExtensionMethods.cs
- RenderingEventArgs.cs
- HtmlInputSubmit.cs
- BaseServiceProvider.cs
- ImportDesigner.xaml.cs
- HyperlinkAutomationPeer.cs
- Fonts.cs
- XmlHierarchicalEnumerable.cs
- OuterGlowBitmapEffect.cs
- ProfileManager.cs
- DoubleLink.cs
- EdmEntityTypeAttribute.cs
- MessageProperties.cs
- AccessedThroughPropertyAttribute.cs
- IDQuery.cs
- OdbcRowUpdatingEvent.cs