Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / WinForms / Managed / System / WinForms / ComboBoxRenderer.cs / 1 / ComboBoxRenderer.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 ComboBoxRenderer { //Make this per-thread, so that different threads can safely use these methods. [ThreadStatic] private static VisualStyleRenderer visualStyleRenderer = null; private static readonly VisualStyleElement ComboBoxElement = VisualStyleElement.ComboBox.DropDownButton.Normal; private static readonly VisualStyleElement TextBoxElement = VisualStyleElement.TextBox.TextEdit.Normal; //cannot instantiate private ComboBoxRenderer() { } ////// This is a rendering class for the ComboBox control. /// ////// /// public static bool IsSupported { get { return VisualStyleRenderer.IsSupported; // no downlevel support } } private static void DrawBackground(Graphics g, Rectangle bounds, ComboBoxState state) { visualStyleRenderer.DrawBackground(g, bounds); //for disabled comboboxes, comctl does not use the window backcolor, so // we don't refill here in that case. if (state != ComboBoxState.Disabled) { Color windowColor = visualStyleRenderer.GetColor(ColorProperty.FillColor); if (windowColor != SystemColors.Window) { Rectangle fillRect = visualStyleRenderer.GetBackgroundContentRectangle(g, bounds); fillRect.Inflate(-2, -2); //then we need to re-fill the background. g.FillRectangle(SystemBrushes.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, ComboBoxState state) { if (visualStyleRenderer == null) { visualStyleRenderer = new VisualStyleRenderer(TextBoxElement.ClassName, TextBoxElement.Part, (int)state); } else { visualStyleRenderer.SetParameters(TextBoxElement.ClassName, TextBoxElement.Part, (int)state); } DrawBackground(g, bounds, state); } ////// Renders the textbox part of a ComboBox control. /// ////// /// public static void DrawTextBox(Graphics g, Rectangle bounds, string comboBoxText, Font font, ComboBoxState state) { DrawTextBox(g, bounds, comboBoxText, font, TextFormatFlags.TextBoxControl, state); } ////// Renders the textbox part of a ComboBox control. /// ////// /// public static void DrawTextBox(Graphics g, Rectangle bounds, string comboBoxText, Font font, Rectangle textBounds, ComboBoxState state) { DrawTextBox(g, bounds, comboBoxText, font, textBounds, TextFormatFlags.TextBoxControl, state); } ////// Renders the textbox part of a ComboBox control. /// ////// /// public static void DrawTextBox(Graphics g, Rectangle bounds, string comboBoxText, Font font, TextFormatFlags flags, ComboBoxState state) { if (visualStyleRenderer == null) { visualStyleRenderer = new VisualStyleRenderer(TextBoxElement.ClassName, TextBoxElement.Part, (int)state); } else { visualStyleRenderer.SetParameters(TextBoxElement.ClassName, TextBoxElement.Part, (int)state); } Rectangle textBounds = visualStyleRenderer.GetBackgroundContentRectangle(g, bounds); textBounds.Inflate(-2,-2); DrawTextBox(g, bounds, comboBoxText, font, textBounds, flags, state); } ////// Renders the textbox part of a ComboBox control. /// ////// /// [ SuppressMessage("Microsoft.Design", "CA1011:ConsiderPassingBaseTypesAsParameters") // Using Graphics instead of IDeviceContext intentionally ] public static void DrawTextBox(Graphics g, Rectangle bounds, string comboBoxText, Font font, Rectangle textBounds, TextFormatFlags flags, ComboBoxState state) { if (visualStyleRenderer == null) { visualStyleRenderer = new VisualStyleRenderer(TextBoxElement.ClassName, TextBoxElement.Part, (int)state); } else { visualStyleRenderer.SetParameters(TextBoxElement.ClassName, TextBoxElement.Part, (int)state); } DrawBackground(g, bounds, state); Color textColor = visualStyleRenderer.GetColor(ColorProperty.TextColor); TextRenderer.DrawText(g, comboBoxText, font, textBounds, textColor, flags); } ////// Renders the textbox part of a ComboBox control. /// ////// /// [ SuppressMessage("Microsoft.Design", "CA1011:ConsiderPassingBaseTypesAsParameters") // Using Graphics instead of IDeviceContext intentionally ] public static void DrawDropDownButton(Graphics g, Rectangle bounds, ComboBoxState state) { if (visualStyleRenderer == null) { visualStyleRenderer = new VisualStyleRenderer(ComboBoxElement.ClassName, ComboBoxElement.Part, (int)state); } else { visualStyleRenderer.SetParameters(ComboBoxElement.ClassName, ComboBoxElement.Part, (int)state); } visualStyleRenderer.DrawBackground(g, bounds); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ ///// Renders a ComboBox drop-down button. /// ///// 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 ComboBoxRenderer { //Make this per-thread, so that different threads can safely use these methods. [ThreadStatic] private static VisualStyleRenderer visualStyleRenderer = null; private static readonly VisualStyleElement ComboBoxElement = VisualStyleElement.ComboBox.DropDownButton.Normal; private static readonly VisualStyleElement TextBoxElement = VisualStyleElement.TextBox.TextEdit.Normal; //cannot instantiate private ComboBoxRenderer() { } ////// This is a rendering class for the ComboBox control. /// ////// /// public static bool IsSupported { get { return VisualStyleRenderer.IsSupported; // no downlevel support } } private static void DrawBackground(Graphics g, Rectangle bounds, ComboBoxState state) { visualStyleRenderer.DrawBackground(g, bounds); //for disabled comboboxes, comctl does not use the window backcolor, so // we don't refill here in that case. if (state != ComboBoxState.Disabled) { Color windowColor = visualStyleRenderer.GetColor(ColorProperty.FillColor); if (windowColor != SystemColors.Window) { Rectangle fillRect = visualStyleRenderer.GetBackgroundContentRectangle(g, bounds); fillRect.Inflate(-2, -2); //then we need to re-fill the background. g.FillRectangle(SystemBrushes.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, ComboBoxState state) { if (visualStyleRenderer == null) { visualStyleRenderer = new VisualStyleRenderer(TextBoxElement.ClassName, TextBoxElement.Part, (int)state); } else { visualStyleRenderer.SetParameters(TextBoxElement.ClassName, TextBoxElement.Part, (int)state); } DrawBackground(g, bounds, state); } ////// Renders the textbox part of a ComboBox control. /// ////// /// public static void DrawTextBox(Graphics g, Rectangle bounds, string comboBoxText, Font font, ComboBoxState state) { DrawTextBox(g, bounds, comboBoxText, font, TextFormatFlags.TextBoxControl, state); } ////// Renders the textbox part of a ComboBox control. /// ////// /// public static void DrawTextBox(Graphics g, Rectangle bounds, string comboBoxText, Font font, Rectangle textBounds, ComboBoxState state) { DrawTextBox(g, bounds, comboBoxText, font, textBounds, TextFormatFlags.TextBoxControl, state); } ////// Renders the textbox part of a ComboBox control. /// ////// /// public static void DrawTextBox(Graphics g, Rectangle bounds, string comboBoxText, Font font, TextFormatFlags flags, ComboBoxState state) { if (visualStyleRenderer == null) { visualStyleRenderer = new VisualStyleRenderer(TextBoxElement.ClassName, TextBoxElement.Part, (int)state); } else { visualStyleRenderer.SetParameters(TextBoxElement.ClassName, TextBoxElement.Part, (int)state); } Rectangle textBounds = visualStyleRenderer.GetBackgroundContentRectangle(g, bounds); textBounds.Inflate(-2,-2); DrawTextBox(g, bounds, comboBoxText, font, textBounds, flags, state); } ////// Renders the textbox part of a ComboBox control. /// ////// /// [ SuppressMessage("Microsoft.Design", "CA1011:ConsiderPassingBaseTypesAsParameters") // Using Graphics instead of IDeviceContext intentionally ] public static void DrawTextBox(Graphics g, Rectangle bounds, string comboBoxText, Font font, Rectangle textBounds, TextFormatFlags flags, ComboBoxState state) { if (visualStyleRenderer == null) { visualStyleRenderer = new VisualStyleRenderer(TextBoxElement.ClassName, TextBoxElement.Part, (int)state); } else { visualStyleRenderer.SetParameters(TextBoxElement.ClassName, TextBoxElement.Part, (int)state); } DrawBackground(g, bounds, state); Color textColor = visualStyleRenderer.GetColor(ColorProperty.TextColor); TextRenderer.DrawText(g, comboBoxText, font, textBounds, textColor, flags); } ////// Renders the textbox part of a ComboBox control. /// ////// /// [ SuppressMessage("Microsoft.Design", "CA1011:ConsiderPassingBaseTypesAsParameters") // Using Graphics instead of IDeviceContext intentionally ] public static void DrawDropDownButton(Graphics g, Rectangle bounds, ComboBoxState state) { if (visualStyleRenderer == null) { visualStyleRenderer = new VisualStyleRenderer(ComboBoxElement.ClassName, ComboBoxElement.Part, (int)state); } else { visualStyleRenderer.SetParameters(ComboBoxElement.ClassName, ComboBoxElement.Part, (int)state); } visualStyleRenderer.DrawBackground(g, bounds); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007./// Renders a ComboBox drop-down button. /// ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ComponentEditorForm.cs
- SecurityDocument.cs
- AQNBuilder.cs
- SecurityHeaderElementInferenceEngine.cs
- XPathNodeHelper.cs
- SessionEndingCancelEventArgs.cs
- NotifyCollectionChangedEventArgs.cs
- EditorZone.cs
- ContainerControl.cs
- DataServiceKeyAttribute.cs
- PageClientProxyGenerator.cs
- NullExtension.cs
- VirtualPathUtility.cs
- FlowDocumentScrollViewerAutomationPeer.cs
- TreeNodeEventArgs.cs
- X509ChainPolicy.cs
- PropertyRecord.cs
- DataGridViewRowsAddedEventArgs.cs
- parserscommon.cs
- DbConnectionPoolGroupProviderInfo.cs
- ObjectSet.cs
- BuildDependencySet.cs
- DigitShape.cs
- HebrewNumber.cs
- ApplicationHost.cs
- XmlQualifiedName.cs
- mil_commands.cs
- SoapAttributes.cs
- AncillaryOps.cs
- PropertyDescriptorComparer.cs
- Compiler.cs
- StatementContext.cs
- EntityObject.cs
- ExternalException.cs
- XmlSchemaSet.cs
- XmlWrappingReader.cs
- XamlSerializerUtil.cs
- Pair.cs
- DocumentViewerBaseAutomationPeer.cs
- RegexGroup.cs
- ConstraintManager.cs
- ValidationErrorEventArgs.cs
- PropertyEntry.cs
- GrowingArray.cs
- CodeArrayCreateExpression.cs
- ALinqExpressionVisitor.cs
- BrushMappingModeValidation.cs
- DataControlFieldCell.cs
- CriticalFinalizerObject.cs
- ContentElementAutomationPeer.cs
- BindingsCollection.cs
- DirectoryInfo.cs
- httpapplicationstate.cs
- Barrier.cs
- Calendar.cs
- UnicastIPAddressInformationCollection.cs
- PerformanceCounterLib.cs
- FindProgressChangedEventArgs.cs
- EventPropertyMap.cs
- SignatureSummaryDialog.cs
- CacheEntry.cs
- AttributeData.cs
- AnonymousIdentificationModule.cs
- CssClassPropertyAttribute.cs
- VisualBrush.cs
- IisTraceWebEventProvider.cs
- XmlObjectSerializerReadContext.cs
- SerializationInfoEnumerator.cs
- FormViewPageEventArgs.cs
- BinaryMessageEncodingElement.cs
- SubqueryTrackingVisitor.cs
- MediaPlayer.cs
- ColorConverter.cs
- XmlByteStreamWriter.cs
- DataObject.cs
- ToolStripContentPanelDesigner.cs
- HtmlEmptyTagControlBuilder.cs
- EmptyStringExpandableObjectConverter.cs
- DelayedRegex.cs
- ObjectStorage.cs
- DecimalConverter.cs
- WebPartVerbsEventArgs.cs
- ConfigurationStrings.cs
- TemplateNameScope.cs
- METAHEADER.cs
- XomlDesignerLoader.cs
- RegexFCD.cs
- WizardForm.cs
- InkCanvasAutomationPeer.cs
- CapabilitiesUse.cs
- unsafenativemethodstextservices.cs
- FilterQueryOptionExpression.cs
- Events.cs
- QilStrConcatenator.cs
- Policy.cs
- TerminatorSinks.cs
- FontUnit.cs
- AxHostDesigner.cs
- ToolStripItemGlyph.cs
- PixelFormatConverter.cs