/// <summary> /// Perfoms MouseUp operation on GridHeaderCellControl /// </summary> /// <param name="e">An <see cref="T:System.Windows.Input.MouseButtonEventArgs">MouseButtonEventArgs</see> that contains the event data.</param> /// <param name="headerCell"></param> /// <remarks></remarks> internal void DoActionOnMouseUp(MouseEventArgs e, GridHeaderCellControl headerCell) { #if !WPF PointerPoint pp = e.GetCurrentPoint(this.dataGrid.VisualContainer); double hScrollChange = 0; for (int i = 0; i < this.dataGrid.VisualContainer.FrozenColumns; i++) { hScrollChange += this.dataGrid.VisualContainer.ColumnWidths[i]; } var pointerPoint = new Point(pp.Position.X - (dataGrid.VisualContainer.HScrollBar.Value - hScrollChange), pp.Position.Y - dataGrid.VisualContainer.VScrollBar.Value); double delta = pointerPoint.X - dragLine.Corner; #else Point pp = e.GetPosition(this.dataGrid.VisualContainer); double delta = pp.X - dragLine.Corner; #endif var columnIndex = this.dataGrid.ResolveToGridVisibleColumnIndex(dragLine.LineIndex); double width = Math.Max(0, dragLine.Size + delta); if (!(columnIndex >= 0 && columnIndex < this.dataGrid.Columns.Count)) { return; } width = ComputeResizingWidth(this.dataGrid.Columns[columnIndex], width); this.dataGrid.VisualContainer.ScrollColumns.ResetLineResize(); var args = new ResizingColumnsEventArgs(this.dataGrid) { ColumnIndex = dragLine.LineIndex, Width = width }; if (columnIndex >= 0 && !dataGrid.RaiseResizingColumnsEvent(args)) { this.dataGrid.Columns[columnIndex].IsHidden = (args.Width == 0 || args.Width == 1); if ((args.Width == 0) || (args.Width == 1)) { this.dataGrid.Columns[columnIndex].Width = Math.Round(args.Width); //Reset the extendedwidth when column is in Hidden because of Resizing. this.dataGrid.Columns[columnIndex].ExtendedWidth = double.NaN; } else { if (args.Width != this.dataGrid.Columns[columnIndex].ActualWidth && this.dataGrid.Columns[columnIndex].ExtendedWidth > 0) { var actualWidth = this.dataGrid.Columns[columnIndex].ActualWidth; var extendedWidth = this.dataGrid.Columns[columnIndex].ExtendedWidth; var differenceInExtendedWidth = ((args.Width - actualWidth) < extendedWidth) ? (args.Width - actualWidth) : 0; this.dataGrid.Columns[columnIndex].ExtendedWidth = (differenceInExtendedWidth > 0) ? (extendedWidth - differenceInExtendedWidth) : double.NaN; } if ((this.dataGrid.ResolveToGridVisibleColumnIndex(this.dataGrid.VisualContainer.ScrollColumns.GetVisibleLines().Count) == 1) && this.dataGrid.Columns[columnIndex].Width == args.Width) { args.Width += 1; } this.dataGrid.Columns[columnIndex].Width = Math.Round(args.Width) == 0 ? 20 : Math.Round(args.Width); } } if ((args.Width == 0 || columnIndex >= 0 && dataGrid.Columns[columnIndex].IsHidden) && dataGrid.AllowResizingHiddenColumns && dataGrid.VisualContainer.ColumnCount == this.dataGrid.ResolveToGridVisibleColumnIndex(dragLine.LineIndex + 1)) { var headerRow = dataGrid.RowGenerator.Items.FirstOrDefault(row => row.RowIndex == dataGrid.GetHeaderIndex()); var columnBase = headerRow.VisibleColumns.FirstOrDefault(column => column.ColumnIndex == dragLine.LineIndex + 1); var prevHiddenIndex = columnIndex - 1; while (prevHiddenIndex > 0 && dataGrid.Columns[prevHiddenIndex].IsHidden) { prevHiddenIndex--; } if (columnBase != null) { var prevColumnHeader = (columnBase.ColumnElement as GridHeaderCellControl); if (prevHiddenIndex != columnIndex) { columnBase = headerRow.VisibleColumns.FirstOrDefault(column => column.ColumnIndex == prevHiddenIndex); prevColumnHeader = columnBase.ColumnElement as GridHeaderCellControl; } dataGrid.VisualContainer.ColumnWidths.SetHidden(dragLine.LineIndex, dragLine.LineIndex, true); dataGrid.Columns[dataGrid.ResolveToGridVisibleColumnIndex(dragLine.LineIndex)].IsHidden = true; dataGrid.Columns[dataGrid.ResolveToGridVisibleColumnIndex(dragLine.LineIndex)].Width = 0.0; } } if (dataGrid.SelectionController.CurrentCellManager.HasCurrentCell && dataGrid.SelectionController.CurrentCellManager.CurrentRowColumnIndex.ColumnIndex == dragLine.LineIndex) { #if !WPF dataGrid.Focus(FocusState.Programmatic); #endif } dragLine = null; #if !WPF headerCell.ReleasePointerCaptures(); if (Window.Current.CoreWindow.PointerCursor.Type != CoreCursorType.Arrow) { Window.Current.CoreWindow.PointerCursor = new CoreCursor(CoreCursorType.Arrow, 1); } #else headerCell.isMouseLeftButtonPressed = false; headerCell.ReleaseMouseCapture(); if (headerCell.Cursor != Cursors.Arrow) { SetPointerCursor(Cursors.Arrow, headerCell); } //WRT-4573 - While clicking on HeaderCell border on Resizing, the sorting operation is done in WinRT. Hence //the flag is skipped to set false which will be set on mouse move. this.isHovering = false; #endif }