wpf小技巧——后台设置背景颜色

要设置的控件名.Background = new SolidColorBrush(Color.FromArgb(80, 230, 230, 230));

SolidColorBrush可以换成其他的brush 视各自需求而定

int rows=(offset + daysInMonth + lastoffset) / 7;
            for (int i = 0; i < rows; i++)
            {
                WeekOfDaysControls weekRowCtrl = new WeekOfDaysControls();
                DateTime startDay=firstDay.AddDays(counter);
                weekRowCtrl.WeekLeable.Text = "week"+i.ToString();
                for (int j =0; j < 7 ; j++)
                {
                    DayBoxControl dayBoxCtrl = new DayBoxControl();
                    if(firstDay.AddDays(counter).ToShortDateString()==DateTime.Now.ToShortDateString())
                    {
                        dayBoxCtrl.DayAppointmentsStack.Background = new SolidColorBrush(Color.FromArgb(100, 250, 230, 160));
                    }

                    if (j < offset&&i==0)
                    {
                        dayBoxCtrl.DayNumberLabel.Content = firstDay.AddDays(-(offset - j)).Month + "/" + firstDay.AddDays(-(offset - j)).Day;
                        dayBoxCtrl.Tag = firstDay.AddDays(-(offset - j)).Month + "/" + firstDay.AddDays(-(offset - j)).Day;
                        dayBoxCtrl.DayAppointmentsStack.Background =  new SolidColorBrush(Color.FromArgb(80, 230, 230, 230));
                        dayBoxCtrl.DayNumberLabel.Foreground = new SolidColorBrush(Color.FromArgb(100, 100, 100, 100));
                    }
                    else if(i == rows-1&&counter==daysInMonth)
                    {
                        dayBoxCtrl.DayNumberLabel.Content = lastDay.AddDays((lastoffset - (6 - j))).Month + "/" + lastDay.AddDays(lastoffset - (6 - j)).Day;
                        dayBoxCtrl.Tag = lastDay.AddDays(lastoffset - (6 - j)).Month + "/" + lastDay.AddDays(lastoffset - (6 - j)).Day;
                        dayBoxCtrl.DayAppointmentsStack.Background = new SolidColorBrush(Color.FromArgb(80, 230, 230, 230));
                        dayBoxCtrl.DayNumberLabel.Foreground = new SolidColorBrush(Color.FromArgb(100, 100, 100, 100));
                    }  
                    else 
                    {
                        dayBoxCtrl.DayNumberLabel.Content = (counter + 1).ToString();
                        dayBoxCtrl.Tag = (counter + 1);
                        dayBoxCtrl.Uid = firstDay.AddDays(counter).ToShortDateString();
                        counter++;
                    } 
                                   
                    dayBoxCtrl.MouseDoubleClick +=DayBoxClick;                    
                    Grid.SetColumn(dayBoxCtrl, j+1);
                    weekRowCtrl.WeekRowGrid.Children.Add(dayBoxCtrl);
                }
                Grid.SetRow(weekRowCtrl, i);
                MonthViewGrid.Children.Add(weekRowCtrl);