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
- TypeDescriptionProviderAttribute.cs
- Int16KeyFrameCollection.cs
- IsolatedStoragePermission.cs
- XmlDocumentSurrogate.cs
- DynamicUpdateCommand.cs
- wmiprovider.cs
- LoggedException.cs
- XmlText.cs
- RankException.cs
- SystemColorTracker.cs
- MetadataArtifactLoaderFile.cs
- RemotingConfigParser.cs
- PeerNameRecordCollection.cs
- CollectionContainer.cs
- Function.cs
- securitymgrsite.cs
- ContextTokenTypeConverter.cs
- ImageField.cs
- Win32.cs
- QueryOutputWriter.cs
- RewritingSimplifier.cs
- PageEventArgs.cs
- HeaderedItemsControl.cs
- DropTarget.cs
- SqlFunctionAttribute.cs
- EndpointBehaviorElementCollection.cs
- ApplicationSecurityInfo.cs
- EngineSiteSapi.cs
- CursorConverter.cs
- TypeReference.cs
- TypeElementCollection.cs
- CodeGenerator.cs
- SecurityPolicySection.cs
- FixedSOMPage.cs
- PageVisual.cs
- HtmlInputCheckBox.cs
- TimeSpanValidator.cs
- DocumentPageViewAutomationPeer.cs
- PersonalizationStateInfo.cs
- XPathNodeList.cs
- Logging.cs
- HttpStreams.cs
- TreeNodeCollectionEditor.cs
- ObjectStateEntryDbUpdatableDataRecord.cs
- PackWebRequest.cs
- DataRecordObjectView.cs
- CompModHelpers.cs
- BinaryReader.cs
- SafeBitVector32.cs
- Util.cs
- UnmanagedHandle.cs
- ReadContentAsBinaryHelper.cs
- System.Data_BID.cs
- BooleanAnimationBase.cs
- DoWhile.cs
- IndexerNameAttribute.cs
- _Rfc2616CacheValidators.cs
- SiteMap.cs
- _FtpControlStream.cs
- ReadOnlyAttribute.cs
- ScriptingScriptResourceHandlerSection.cs
- UniqueConstraint.cs
- ConvertEvent.cs
- CharacterString.cs
- TextRunCacheImp.cs
- SourceElementsCollection.cs
- DataConnectionHelper.cs
- SettingsPropertyIsReadOnlyException.cs
- DataGridViewAutoSizeColumnModeEventArgs.cs
- Attributes.cs
- StrokeCollectionConverter.cs
- RenamedEventArgs.cs
- connectionpool.cs
- LineGeometry.cs
- ChildDocumentBlock.cs
- OleAutBinder.cs
- ToolStripItemImageRenderEventArgs.cs
- RelationshipConverter.cs
- ImageList.cs
- CfgParser.cs
- SqlDataSourceDesigner.cs
- VoiceSynthesis.cs
- WizardStepCollectionEditor.cs
- MexHttpsBindingElement.cs
- ProcessModuleCollection.cs
- TableLayoutPanelBehavior.cs
- ButtonAutomationPeer.cs
- ContractReference.cs
- FileEnumerator.cs
- EmbeddedMailObject.cs
- GreenMethods.cs
- XPathBuilder.cs
- ShutDownListener.cs
- ProxyManager.cs
- WeakReferenceEnumerator.cs
- ScriptControl.cs
- ColumnMapCopier.cs
- Menu.cs
- AutomationElementCollection.cs
- GroupAggregateExpr.cs