// Methods public ListBoxItem(DataGridViewColumn column, ExtDataGridColumnCollectionDialog owner, ComponentDesigner compDesigner) { this.column = column; this.owner = owner; this.compDesigner = compDesigner; if (this.compDesigner != null) { this.compDesigner.Initialize(column); TypeDescriptor.CreateAssociation(this.column, this.compDesigner); } ToolboxBitmapAttribute attribute = TypeDescriptor.GetAttributes(column)[ExtDataGridColumnCollectionDialog.toolboxBitmapAttributeType] as ToolboxBitmapAttribute; if (attribute != null) { this.toolboxBitmap = attribute.GetImage(column, false); } else { //this.toolboxBitmap = this.owner.SelectedColumnsItemBitmap; } DataGridViewColumnDesigner designer = compDesigner as DataGridViewColumnDesigner; if (designer != null) { //designer.LiveDataGridView = this.owner.liveDataGridView; } }
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value) { if (provider != null) { IWindowsFormsEditorService service = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService)); if ((service == null) || (context.Instance == null)) { return(value); } IDesignerHost host = (IDesignerHost)provider.GetService(typeof(IDesignerHost)); if (host == null) { return(value); } if (this.extDataGridColumnCollectionDialog == null) { this.extDataGridColumnCollectionDialog = new ExtDataGridColumnCollectionDialog(); } //this.extDataGridColumnCollectionDialog.SetDataGrid((ExtDataGrid)context.Instance); using (DesignerTransaction transaction = host.CreateTransaction("ExtDataGridColumnCollectionTransaction")) { if (service.ShowDialog(this.extDataGridColumnCollectionDialog) == DialogResult.OK) { transaction.Commit(); return(value); } transaction.Cancel(); } } return(value); }