Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / WinForms / Managed / System / WinForms / TextBoxRenderer.cs / 1 / TextBoxRenderer.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 TextBoxRenderer { //Make this per-thread, so that different threads can safely use these methods. [ThreadStatic] private static VisualStyleRenderer visualStyleRenderer = null; private static readonly VisualStyleElement TextBoxElement = VisualStyleElement.TextBox.TextEdit.Normal; //cannot instantiate private TextBoxRenderer() { } ////// This is a rendering class for the TextBox control. /// ////// /// public static bool IsSupported { get { return VisualStyleRenderer.IsSupported; // no downlevel support } } private static void DrawBackground(Graphics g, Rectangle bounds, TextBoxState state) { visualStyleRenderer.DrawBackground(g, bounds); if (state != TextBoxState.Disabled) { Color windowColor = visualStyleRenderer.GetColor(ColorProperty.FillColor); if (windowColor != SystemColors.Window) { Rectangle fillRect = visualStyleRenderer.GetBackgroundContentRectangle(g, bounds); //then we need to re-fill the background. g.FillRectangle(new SolidBrush(SystemColors.Window), fillRect); } } } ////// Returns true if this class is supported for the current OS and user/application settings, /// otherwise returns false. /// ////// /// [ SuppressMessage("Microsoft.Design", "CA1011:ConsiderPassingBaseTypesAsParameters") // Using Graphics instead of IDeviceContext intentionally ] public static void DrawTextBox(Graphics g, Rectangle bounds, TextBoxState state) { InitializeRenderer((int)state); DrawBackground(g, bounds, state); } ////// Renders a TextBox control. /// ////// /// public static void DrawTextBox(Graphics g, Rectangle bounds, string textBoxText, Font font, TextBoxState state) { DrawTextBox(g, bounds, textBoxText, font, TextFormatFlags.TextBoxControl, state); } ////// Renders a TextBox control. /// ////// /// public static void DrawTextBox(Graphics g, Rectangle bounds, string textBoxText, Font font, Rectangle textBounds, TextBoxState state) { DrawTextBox(g, bounds, textBoxText, font, textBounds, TextFormatFlags.TextBoxControl, state); } ////// Renders a TextBox control. /// ////// /// public static void DrawTextBox(Graphics g, Rectangle bounds, string textBoxText, Font font, TextFormatFlags flags, TextBoxState state) { InitializeRenderer((int)state); Rectangle textBounds = visualStyleRenderer.GetBackgroundContentRectangle(g, bounds); textBounds.Inflate(-2, -2); DrawTextBox(g, bounds, textBoxText, font, textBounds, flags, state); } ////// Renders a TextBox control. /// ////// /// [ SuppressMessage("Microsoft.Design", "CA1011:ConsiderPassingBaseTypesAsParameters") // Using Graphics instead of IDeviceContext intentionally ] public static void DrawTextBox(Graphics g, Rectangle bounds, string textBoxText, Font font, Rectangle textBounds, TextFormatFlags flags, TextBoxState state) { InitializeRenderer((int)state); DrawBackground(g, bounds, state); Color textColor = visualStyleRenderer.GetColor(ColorProperty.TextColor); TextRenderer.DrawText(g, textBoxText, font, textBounds, textColor, flags); } private static void InitializeRenderer(int state) { if (visualStyleRenderer == null) { visualStyleRenderer = new VisualStyleRenderer(TextBoxElement.ClassName, TextBoxElement.Part, state); } else { visualStyleRenderer.SetParameters(TextBoxElement.ClassName, TextBoxElement.Part, state); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved./// Renders a TextBox control. /// ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- SeekStoryboard.cs
- SystemParameters.cs
- CommandLibraryHelper.cs
- QilDataSource.cs
- DrawingVisualDrawingContext.cs
- ClientConvert.cs
- ObjectDataSourceSelectingEventArgs.cs
- Utils.cs
- GeometryDrawing.cs
- CollectionView.cs
- XpsS0ValidatingLoader.cs
- FileDialog_Vista.cs
- InputMethodStateTypeInfo.cs
- MembershipPasswordException.cs
- GridViewRowPresenter.cs
- GridEntryCollection.cs
- LocalizedNameDescriptionPair.cs
- PagedDataSource.cs
- DataRowChangeEvent.cs
- SourceItem.cs
- CellIdBoolean.cs
- Variant.cs
- SubpageParaClient.cs
- ManifestSignedXml.cs
- XPathNodeInfoAtom.cs
- ChannelBinding.cs
- Path.cs
- ToolStripItemEventArgs.cs
- SmiXetterAccessMap.cs
- ConfigXmlSignificantWhitespace.cs
- BindingValueChangedEventArgs.cs
- SchemaImporterExtensionElement.cs
- CellLabel.cs
- RemoteWebConfigurationHost.cs
- HiddenFieldPageStatePersister.cs
- GC.cs
- Run.cs
- HttpFileCollectionBase.cs
- BindingNavigator.cs
- ArrayTypeMismatchException.cs
- HandlerFactoryWrapper.cs
- TextEditorCopyPaste.cs
- HttpConfigurationContext.cs
- RuleSettings.cs
- AuthStoreRoleProvider.cs
- GradientStop.cs
- Native.cs
- CryptoHelper.cs
- XhtmlBasicCalendarAdapter.cs
- DataSourceControl.cs
- HintTextConverter.cs
- Geometry.cs
- EntityUtil.cs
- ReaderWriterLock.cs
- IdlingCommunicationPool.cs
- ErrorRuntimeConfig.cs
- SubstitutionList.cs
- LinkLabelLinkClickedEvent.cs
- ReadWriteObjectLock.cs
- QuadraticBezierSegment.cs
- PriorityRange.cs
- AnimationClockResource.cs
- ImageIndexConverter.cs
- TypeGeneratedEventArgs.cs
- Triangle.cs
- WindowsListViewSubItem.cs
- WeakReference.cs
- RestHandler.cs
- WebPartEventArgs.cs
- HtmlElementErrorEventArgs.cs
- CodeEntryPointMethod.cs
- ellipse.cs
- SiteMapSection.cs
- Win32KeyboardDevice.cs
- ColorIndependentAnimationStorage.cs
- BinaryNode.cs
- BaseValidator.cs
- EncoderReplacementFallback.cs
- ApplicationActivator.cs
- PaperSource.cs
- SiteMapNodeCollection.cs
- SchemaImporterExtensionElement.cs
- SignedXml.cs
- WindowsRebar.cs
- LogAppendAsyncResult.cs
- ListBindableAttribute.cs
- RadialGradientBrush.cs
- SwitchAttribute.cs
- XmlSerializer.cs
- TemplatePartAttribute.cs
- DataList.cs
- ConfigXmlAttribute.cs
- DocComment.cs
- _LocalDataStoreMgr.cs
- TabletCollection.cs
- ImageBrush.cs
- DataGridColumnCollection.cs
- PropertyEmitter.cs
- FormViewRow.cs
- DeferredElementTreeState.cs