Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / 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
- RuntimeWrappedException.cs
- ReadOnlyTernaryTree.cs
- WebContext.cs
- AssociationTypeEmitter.cs
- CompoundFileStorageReference.cs
- BaseTemplateBuildProvider.cs
- OperandQuery.cs
- BaseValidator.cs
- DescendentsWalker.cs
- StrongBox.cs
- XPathPatternBuilder.cs
- UnauthorizedWebPart.cs
- PropertyEntry.cs
- EncodingDataItem.cs
- PlatformCulture.cs
- RenameRuleObjectDialog.Designer.cs
- GeneralTransform.cs
- CodeExporter.cs
- DefaultTextStore.cs
- ScrollBar.cs
- CommentEmitter.cs
- DependencyObjectPropertyDescriptor.cs
- XmlSchemaNotation.cs
- ProxyAttribute.cs
- DataGridViewCellStyleChangedEventArgs.cs
- basenumberconverter.cs
- SafeEventLogReadHandle.cs
- ComponentGlyph.cs
- DBAsyncResult.cs
- SaveFileDialog.cs
- VariableQuery.cs
- ParamArrayAttribute.cs
- Int64AnimationBase.cs
- ArgumentNullException.cs
- InternalException.cs
- BuildProviderUtils.cs
- BaseHashHelper.cs
- SetterBase.cs
- AssertSection.cs
- PathGradientBrush.cs
- CmsUtils.cs
- CqlParserHelpers.cs
- PointAnimationUsingKeyFrames.cs
- ColorIndependentAnimationStorage.cs
- UniqueID.cs
- ControlPropertyNameConverter.cs
- MsmqOutputChannel.cs
- PointAnimationUsingKeyFrames.cs
- MetadataArtifactLoaderComposite.cs
- SimpleExpression.cs
- HttpResponseInternalWrapper.cs
- GatewayDefinition.cs
- BaseCodePageEncoding.cs
- SetterTriggerConditionValueConverter.cs
- CodeMemberProperty.cs
- GreenMethods.cs
- CharacterString.cs
- FilteredReadOnlyMetadataCollection.cs
- ToolStripContentPanelDesigner.cs
- BidOverLoads.cs
- SafeFileHandle.cs
- clipboard.cs
- GridViewDesigner.cs
- Command.cs
- FolderBrowserDialog.cs
- GeometryValueSerializer.cs
- XsltOutput.cs
- NotifyInputEventArgs.cs
- FamilyTypeface.cs
- WebPartVerbsEventArgs.cs
- HyperLinkField.cs
- SoapSchemaMember.cs
- BehaviorDragDropEventArgs.cs
- OdbcError.cs
- TraceLevelHelper.cs
- ReflectionUtil.cs
- DictionaryEntry.cs
- SafeHandles.cs
- SecurityCriticalDataForSet.cs
- Nullable.cs
- AccessedThroughPropertyAttribute.cs
- DesignerDataStoredProcedure.cs
- ObjectQuery_EntitySqlExtensions.cs
- CachedPathData.cs
- PrincipalPermission.cs
- NameTable.cs
- CompareValidator.cs
- AssociationSetEnd.cs
- BoundsDrawingContextWalker.cs
- BaseTemplateCodeDomTreeGenerator.cs
- QueryComponents.cs
- CommunicationObjectManager.cs
- ScriptComponentDescriptor.cs
- CheckPair.cs
- DataPager.cs
- ByteStreamBufferedMessageData.cs
- EntityCommand.cs
- Journal.cs
- StateDesigner.Helpers.cs
- PathGeometry.cs