Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / WinForms / Managed / System / WinForms / DataGridViewComboBoxEditingControl.cs / 1 / DataGridViewComboBoxEditingControl.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms { using System; using System.Drawing; using System.Diagnostics; using System.Globalization; using System.Runtime.InteropServices; ///[ ComVisible(true), ClassInterface(ClassInterfaceType.AutoDispatch) ] public class DataGridViewComboBoxEditingControl : ComboBox, IDataGridViewEditingControl { private DataGridView dataGridView; private bool valueChanged; private int rowIndex; /// public DataGridViewComboBoxEditingControl() : base() { this.TabStop = false; } // IDataGridViewEditingControl interface implementation /// public virtual DataGridView EditingControlDataGridView { get { return this.dataGridView; } set { this.dataGridView = value; } } /// public virtual object EditingControlFormattedValue { get { return GetEditingControlFormattedValue(DataGridViewDataErrorContexts.Formatting); } set { string valueStr = value as string; if (valueStr != null) { this.Text = valueStr; if (String.Compare(valueStr, this.Text, true, CultureInfo.CurrentCulture) != 0) { this.SelectedIndex = -1; } } } } /// public virtual int EditingControlRowIndex { get { return this.rowIndex; } set { this.rowIndex = value; } } /// public virtual bool EditingControlValueChanged { get { return this.valueChanged; } set { this.valueChanged = value; } } /// public virtual Cursor EditingPanelCursor { get { return Cursors.Default; } } /// public virtual bool RepositionEditingControlOnValueChange { get { return false; } } /// public virtual void ApplyCellStyleToEditingControl(DataGridViewCellStyle dataGridViewCellStyle) { this.Font = dataGridViewCellStyle.Font; if (dataGridViewCellStyle.BackColor.A < 255) { // Our ComboBox does not support transparent back colors Color opaqueBackColor = Color.FromArgb(255, dataGridViewCellStyle.BackColor); this.BackColor = opaqueBackColor; this.dataGridView.EditingPanel.BackColor = opaqueBackColor; } else { this.BackColor = dataGridViewCellStyle.BackColor; } this.ForeColor = dataGridViewCellStyle.ForeColor; } /// public virtual bool EditingControlWantsInputKey(Keys keyData, bool dataGridViewWantsInputKey) { if ((keyData & Keys.KeyCode) == Keys.Down || (keyData & Keys.KeyCode) == Keys.Up || (this.DroppedDown && ((keyData & Keys.KeyCode) == Keys.Escape) || (keyData & Keys.KeyCode) == Keys.Enter)) { return true; } return !dataGridViewWantsInputKey; } /// public virtual object GetEditingControlFormattedValue(DataGridViewDataErrorContexts context) { return this.Text; } /// public virtual void PrepareEditingControlForEdit(bool selectAll) { if (selectAll) { SelectAll(); } } private void NotifyDataGridViewOfValueChange() { this.valueChanged = true; this.dataGridView.NotifyCurrentCellDirty(true); } /// protected override void OnSelectedIndexChanged(EventArgs e) { base.OnSelectedIndexChanged(e); if (this.SelectedIndex != -1) { NotifyDataGridViewOfValueChange(); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ // // Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms { using System; using System.Drawing; using System.Diagnostics; using System.Globalization; using System.Runtime.InteropServices; ///[ ComVisible(true), ClassInterface(ClassInterfaceType.AutoDispatch) ] public class DataGridViewComboBoxEditingControl : ComboBox, IDataGridViewEditingControl { private DataGridView dataGridView; private bool valueChanged; private int rowIndex; /// public DataGridViewComboBoxEditingControl() : base() { this.TabStop = false; } // IDataGridViewEditingControl interface implementation /// public virtual DataGridView EditingControlDataGridView { get { return this.dataGridView; } set { this.dataGridView = value; } } /// public virtual object EditingControlFormattedValue { get { return GetEditingControlFormattedValue(DataGridViewDataErrorContexts.Formatting); } set { string valueStr = value as string; if (valueStr != null) { this.Text = valueStr; if (String.Compare(valueStr, this.Text, true, CultureInfo.CurrentCulture) != 0) { this.SelectedIndex = -1; } } } } /// public virtual int EditingControlRowIndex { get { return this.rowIndex; } set { this.rowIndex = value; } } /// public virtual bool EditingControlValueChanged { get { return this.valueChanged; } set { this.valueChanged = value; } } /// public virtual Cursor EditingPanelCursor { get { return Cursors.Default; } } /// public virtual bool RepositionEditingControlOnValueChange { get { return false; } } /// public virtual void ApplyCellStyleToEditingControl(DataGridViewCellStyle dataGridViewCellStyle) { this.Font = dataGridViewCellStyle.Font; if (dataGridViewCellStyle.BackColor.A < 255) { // Our ComboBox does not support transparent back colors Color opaqueBackColor = Color.FromArgb(255, dataGridViewCellStyle.BackColor); this.BackColor = opaqueBackColor; this.dataGridView.EditingPanel.BackColor = opaqueBackColor; } else { this.BackColor = dataGridViewCellStyle.BackColor; } this.ForeColor = dataGridViewCellStyle.ForeColor; } /// public virtual bool EditingControlWantsInputKey(Keys keyData, bool dataGridViewWantsInputKey) { if ((keyData & Keys.KeyCode) == Keys.Down || (keyData & Keys.KeyCode) == Keys.Up || (this.DroppedDown && ((keyData & Keys.KeyCode) == Keys.Escape) || (keyData & Keys.KeyCode) == Keys.Enter)) { return true; } return !dataGridViewWantsInputKey; } /// public virtual object GetEditingControlFormattedValue(DataGridViewDataErrorContexts context) { return this.Text; } /// public virtual void PrepareEditingControlForEdit(bool selectAll) { if (selectAll) { SelectAll(); } } private void NotifyDataGridViewOfValueChange() { this.valueChanged = true; this.dataGridView.NotifyCurrentCellDirty(true); } /// protected override void OnSelectedIndexChanged(EventArgs e) { base.OnSelectedIndexChanged(e); if (this.SelectedIndex != -1) { NotifyDataGridViewOfValueChange(); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- SystemBrushes.cs
- CharAnimationBase.cs
- CustomCategoryAttribute.cs
- XPathNodeHelper.cs
- BindableAttribute.cs
- StubHelpers.cs
- FormConverter.cs
- tibetanshape.cs
- ReadOnlyDataSource.cs
- NativeWindow.cs
- ApplicationDirectory.cs
- ExecutionTracker.cs
- ConsoleTraceListener.cs
- Highlights.cs
- XmlSchemaSet.cs
- IssuanceLicense.cs
- WebControlToolBoxItem.cs
- AudioLevelUpdatedEventArgs.cs
- RootBrowserWindow.cs
- BitmapCacheBrush.cs
- SqlFormatter.cs
- CodeArrayCreateExpression.cs
- EntityDataSourceView.cs
- ToolStripControlHost.cs
- SqlInfoMessageEvent.cs
- LogReservationCollection.cs
- ExpressionPrefixAttribute.cs
- ExpressionNode.cs
- ResourcePermissionBaseEntry.cs
- SelectedDatesCollection.cs
- RangeValueProviderWrapper.cs
- ComponentCodeDomSerializer.cs
- UnsafeNativeMethods.cs
- TableParagraph.cs
- AttributeCollection.cs
- SByteStorage.cs
- FileResponseElement.cs
- LayoutDump.cs
- StringUtil.cs
- sqlpipe.cs
- DragCompletedEventArgs.cs
- ActivityExecutorDelegateInfo.cs
- Viewport3DAutomationPeer.cs
- FixedPageStructure.cs
- Cursors.cs
- MailMessage.cs
- TemplateParser.cs
- ReadOnlyObservableCollection.cs
- LocalizationComments.cs
- FullTextBreakpoint.cs
- ClockController.cs
- AppDomainShutdownMonitor.cs
- WindowInteropHelper.cs
- Timer.cs
- EmptyImpersonationContext.cs
- QueryContinueDragEventArgs.cs
- CDSsyncETWBCLProvider.cs
- VBIdentifierName.cs
- WsdlServiceChannelBuilder.cs
- TransformGroup.cs
- XmlDeclaration.cs
- BufferedGraphics.cs
- CodeTypeDeclaration.cs
- ellipse.cs
- ActiveDocumentEvent.cs
- CssClassPropertyAttribute.cs
- LongMinMaxAggregationOperator.cs
- ItemsPresenter.cs
- ErrorRuntimeConfig.cs
- CompressStream.cs
- XamlGridLengthSerializer.cs
- LocalTransaction.cs
- ShapingWorkspace.cs
- EventManager.cs
- MemoryPressure.cs
- FormattedTextSymbols.cs
- HtmlGenericControl.cs
- UpdateCommand.cs
- ActivityDesignerResources.cs
- TableCell.cs
- CreatingCookieEventArgs.cs
- XmlCompatibilityReader.cs
- RightsManagementInformation.cs
- RectangleGeometry.cs
- LinearGradientBrush.cs
- ToolboxItemCollection.cs
- TextBoxAutomationPeer.cs
- CodeArrayCreateExpression.cs
- DurableInstancingOptions.cs
- DataBindingHandlerAttribute.cs
- RepeaterItemEventArgs.cs
- XhtmlMobileTextWriter.cs
- UnsafeNativeMethodsPenimc.cs
- FolderBrowserDialog.cs
- Style.cs
- cookie.cs
- ProjectionPlan.cs
- NullReferenceException.cs
- EditingCommands.cs
- EncoderParameter.cs