Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / 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
- BaseResourcesBuildProvider.cs
- LongPath.cs
- WebServiceAttribute.cs
- SrgsElement.cs
- SchemaTableColumn.cs
- StorageEntityTypeMapping.cs
- XamlTypeMapper.cs
- MetadataSource.cs
- HighlightVisual.cs
- SafeBitVector32.cs
- Attributes.cs
- WeakHashtable.cs
- ReaderWriterLockWrapper.cs
- MailWebEventProvider.cs
- DragDropHelper.cs
- Stack.cs
- DragStartedEventArgs.cs
- PerformanceCounterTraceRecord.cs
- Encoding.cs
- XpsFontSubsetter.cs
- EditorPart.cs
- DataRecordObjectView.cs
- GlyphRunDrawing.cs
- FixedSOMTableCell.cs
- ReadOnlyDataSourceView.cs
- SqlFunctions.cs
- DrawingGroup.cs
- DesignTimeData.cs
- Normalizer.cs
- WsatExtendedInformation.cs
- PolyLineSegment.cs
- RelationalExpressions.cs
- SafeFileMapViewHandle.cs
- CodeNamespace.cs
- TemplateControl.cs
- HwndSubclass.cs
- FileLevelControlBuilderAttribute.cs
- StackOverflowException.cs
- AppDomainUnloadedException.cs
- DesignerEditorPartChrome.cs
- BitmapFrameDecode.cs
- OrderedDictionaryStateHelper.cs
- OleDbDataReader.cs
- ReadOnlyDataSource.cs
- TreeNodeStyleCollectionEditor.cs
- BaseHashHelper.cs
- PointValueSerializer.cs
- TypeInfo.cs
- RangeContentEnumerator.cs
- AnimationStorage.cs
- SafeFreeMibTable.cs
- control.ime.cs
- DiscoveryReferences.cs
- ToolStripPanelRenderEventArgs.cs
- HtmlTableRowCollection.cs
- SemaphoreSecurity.cs
- HandledEventArgs.cs
- WebPart.cs
- CacheModeValueSerializer.cs
- MULTI_QI.cs
- ToolStripGrip.cs
- TypedTableBaseExtensions.cs
- GridViewColumnHeaderAutomationPeer.cs
- ReferenceEqualityComparer.cs
- ObjectConverter.cs
- ConfigurationPropertyCollection.cs
- ScriptReference.cs
- ReaderWriterLockWrapper.cs
- lengthconverter.cs
- _ScatterGatherBuffers.cs
- TextBoxBase.cs
- ColorConvertedBitmap.cs
- DesignBindingEditor.cs
- StrokeNodeData.cs
- WsdlEndpointConversionContext.cs
- FileAccessException.cs
- TypeGeneratedEventArgs.cs
- NullableIntMinMaxAggregationOperator.cs
- PolicyManager.cs
- XmlArrayItemAttributes.cs
- SapiRecoInterop.cs
- EndpointPerformanceCounters.cs
- SignatureResourcePool.cs
- BoundColumn.cs
- TextOutput.cs
- RegistryKey.cs
- ScriptResourceAttribute.cs
- EdmProviderManifest.cs
- DataRow.cs
- Parser.cs
- SingleTagSectionHandler.cs
- MenuAdapter.cs
- _ConnectStream.cs
- SdlChannelSink.cs
- ObjectFactoryCodeDomTreeGenerator.cs
- _BasicClient.cs
- TemplatedMailWebEventProvider.cs
- HMACMD5.cs
- XmlAttributeHolder.cs
- InputEventArgs.cs