Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WinForms / System / WinForms / Design / ButtonBaseDesigner.cs / 1 / ButtonBaseDesigner.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.Windows.Forms.Design { using System; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design; using System.Design; using System.Drawing; using System.Runtime.InteropServices; using System.Windows.Forms.Design.Behavior; using System.Windows.Forms; using System.Diagnostics; ////// /// internal class ButtonBaseDesigner : ControlDesigner { // private DesignerActionListCollection _actionlists; public ButtonBaseDesigner() { AutoResizeHandles = true; } public override void InitializeNewComponent(IDictionary defaultValues) { base.InitializeNewComponent(defaultValues); PropertyDescriptor prop = TypeDescriptor.GetProperties(Component)["UseVisualStyleBackColor"]; if (prop != null && prop.PropertyType == typeof(bool) && !prop.IsReadOnly && prop.IsBrowsable) { prop.SetValue(Component, true); } } ////// Provides a designer that can design components /// that extend ButtonBase. ////// /// Adds a baseline SnapLine to the list of SnapLines related /// to this control. /// public override IList SnapLines { get { ArrayList snapLines = base.SnapLines as ArrayList; FlatStyle flatStyle = FlatStyle.Standard; ContentAlignment alignment = ContentAlignment.MiddleCenter; PropertyDescriptor prop; PropertyDescriptorCollection props = TypeDescriptor.GetProperties(Component); if ((prop = props["TextAlign"]) != null) { alignment = (ContentAlignment)prop.GetValue(Component); } if ((prop = props["FlatStyle"]) != null) { flatStyle = (FlatStyle)prop.GetValue(Component); } int baseline = DesignerUtils.GetTextBaseline(Control, alignment); //based on the type of control and it's style, we need to add certain deltas to make //the snapline appear in the right place. Rather than adding a class for each control //we special case it here - for perf reasons. if ((Control is CheckBox) || (Control is RadioButton)) { Appearance appearance = Appearance.Normal; if ((prop = props["Appearance"]) != null) { appearance = (Appearance)prop.GetValue(Component); } if (appearance == Appearance.Normal) { if (Control is CheckBox) { baseline += CheckboxBaselineOffset(alignment, flatStyle); } else { baseline += RadiobuttonBaselineOffset(alignment, flatStyle); } } else { baseline += DefaultBaselineOffset(alignment, flatStyle); } } else { //default case baseline += DefaultBaselineOffset(alignment, flatStyle); } snapLines.Add(new SnapLine(SnapLineType.Baseline, baseline, SnapLinePriority.Medium)); return snapLines; } } private int CheckboxBaselineOffset(ContentAlignment alignment, FlatStyle flatStyle) { if ((alignment & DesignerUtils.anyMiddleAlignment) != 0) { if ((flatStyle == FlatStyle.Standard) || (flatStyle == FlatStyle.System)) { return -1; } else { return 0; //FlatStyle.Flat || FlatStyle.Popup || Unknown FlatStyle } } else if ((alignment & DesignerUtils.anyTopAlignment) != 0) { if (flatStyle == FlatStyle.Standard) { return 1; } else if (flatStyle == FlatStyle.System) { return 0; } else if ((flatStyle == FlatStyle.Flat) || (flatStyle == FlatStyle.Popup)) { return 2; } else { Debug.Fail("Unknown FlatStyle"); return 0; //Unknown FlatStyle } } else {//bottom alignment if (flatStyle == FlatStyle.Standard) { return -3; } else if (flatStyle == FlatStyle.System) { return 0; } else if ((flatStyle == FlatStyle.Flat) || (flatStyle == FlatStyle.Popup)) { return -2; } else { Debug.Fail("Unknown FlatStyle"); return 0; //Unknown FlatStyle } } } private int RadiobuttonBaselineOffset(ContentAlignment alignment, FlatStyle flatStyle) { if ((alignment & DesignerUtils.anyMiddleAlignment) != 0) { if (flatStyle == FlatStyle.System) { return -1; } else { return 0; //FlatStyle.Standard || FlatStyle.Flat || FlatStyle.Popup || Unknown FlatStyle } } else {// Top or bottom alignment if ((flatStyle == FlatStyle.Standard) || (flatStyle == FlatStyle.Flat) || (flatStyle == FlatStyle.Popup)) { return ((alignment & DesignerUtils.anyTopAlignment) != 0) ? 2 : -2; } else if (flatStyle == FlatStyle.System) { return 0; } else { Debug.Fail("Unknown FlatStyle"); return 0; //Unknown FlatStyle } } } private int DefaultBaselineOffset(ContentAlignment alignment, FlatStyle flatStyle) { if ((alignment & DesignerUtils.anyMiddleAlignment) != 0) { return 0; } else { // Top or bottom alignment if ((flatStyle == FlatStyle.Standard) || (flatStyle == FlatStyle.Popup)) { return ((alignment & DesignerUtils.anyTopAlignment) != 0) ? 4 : -4; } else if (flatStyle == FlatStyle.System) { return ((alignment & DesignerUtils.anyTopAlignment) != 0) ? 3 : -3; } else if (flatStyle == FlatStyle.Flat) { return ((alignment & DesignerUtils.anyTopAlignment) != 0) ? 5 : -5; } else { Debug.Fail("Unknown FlatStyle"); return 0; //Unknown FlatStyle } } } /* public override DesignerActionListCollection ActionLists { get { if(_actionlists == null) { _actionlists = new DesignerActionListCollection(); _actionlists.Add(new ButtonBaseActionList()); } return _actionlists; } } */ } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- OLEDB_Util.cs
- TypeConverter.cs
- TablePatternIdentifiers.cs
- FontFamilyValueSerializer.cs
- DrawListViewSubItemEventArgs.cs
- StickyNoteHelper.cs
- SoapIncludeAttribute.cs
- Point.cs
- GridViewAutomationPeer.cs
- SerializationObjectManager.cs
- SdlChannelSink.cs
- PropertyGridView.cs
- ExpressionLexer.cs
- WebPartCatalogCloseVerb.cs
- DataRow.cs
- UpdatePanelTrigger.cs
- LocalClientSecuritySettingsElement.cs
- TabControlAutomationPeer.cs
- StateMachineDesignerPaint.cs
- StandardCommands.cs
- SQLBinaryStorage.cs
- VBCodeProvider.cs
- SoapParser.cs
- IProvider.cs
- linebase.cs
- Size.cs
- DBSchemaRow.cs
- VarInfo.cs
- Root.cs
- BrowserTree.cs
- SemanticAnalyzer.cs
- EmbossBitmapEffect.cs
- CompoundFileDeflateTransform.cs
- TemplateKeyConverter.cs
- ContainerParagraph.cs
- SafeHandles.cs
- AQNBuilder.cs
- CalendarItem.cs
- HtmlGenericControl.cs
- XhtmlTextWriter.cs
- ExeContext.cs
- DataBindingHandlerAttribute.cs
- HierarchicalDataSourceDesigner.cs
- AutomationElementIdentifiers.cs
- TraceContextRecord.cs
- PolyBezierSegment.cs
- NavigationCommands.cs
- MutexSecurity.cs
- NavigationService.cs
- Attribute.cs
- CacheVirtualItemsEvent.cs
- TickBar.cs
- DbDataSourceEnumerator.cs
- PrefixQName.cs
- XmlnsCache.cs
- ControlType.cs
- InvalidStoreProtectionKeyException.cs
- RadioButtonList.cs
- FunctionMappingTranslator.cs
- WebPageTraceListener.cs
- DictionaryKeyPropertyAttribute.cs
- GenerateTemporaryTargetAssembly.cs
- TrustSection.cs
- PropertyCondition.cs
- SID.cs
- BaseHashHelper.cs
- DBCommandBuilder.cs
- SpecialNameAttribute.cs
- HyperLink.cs
- Literal.cs
- System.Data_BID.cs
- PackageDigitalSignatureManager.cs
- AsyncOperationContext.cs
- BadImageFormatException.cs
- ColorTranslator.cs
- SafeThreadHandle.cs
- TextDecoration.cs
- OutOfMemoryException.cs
- PointHitTestParameters.cs
- ProviderCommandInfoUtils.cs
- XPathEmptyIterator.cs
- ValidatedControlConverter.cs
- OleDbParameterCollection.cs
- StringDictionary.cs
- XXXOnTypeBuilderInstantiation.cs
- CancellableEnumerable.cs
- TextWriterTraceListener.cs
- AuthenticationService.cs
- IISUnsafeMethods.cs
- ActivityBuilderXamlWriter.cs
- SourceElementsCollection.cs
- ParameterCollection.cs
- ProtocolsConfigurationEntry.cs
- Run.cs
- FixedSOMLineRanges.cs
- TextModifierScope.cs
- translator.cs
- CodeLabeledStatement.cs
- SiteMembershipCondition.cs
- DbReferenceCollection.cs