private static object OnCoerceWidth(DependencyObject d, object baseValue) { double width = (double)baseValue; DataGridColumnFloatingHeader header = (DataGridColumnFloatingHeader)d; if (header._referenceHeader != null && DoubleUtil.IsNaN(width)) { return(header._referenceHeader.ActualWidth + header.GetVisualCanvasMarginX()); } return(baseValue); }
private static void OnWidthChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { DataGridColumnFloatingHeader header = (DataGridColumnFloatingHeader)d; double width = (double)e.NewValue; if (header._visualBrushCanvas != null && !DoubleUtil.IsNaN(width)) { VisualBrush brush = header._visualBrushCanvas.Background as VisualBrush; if (brush != null) { Rect viewBox = brush.Viewbox; brush.Viewbox = new Rect(viewBox.X, viewBox.Y, width - header.GetVisualCanvasMarginX(), viewBox.Height); } } }