private void ResizeDayLabels(object sender, CalendarResizedEventArgs e)
{
// set position and width for each day label upon repaint
for (int i = 0; i < e.dayStartPositions.Length - 1; i++)
{
dayLabels[i].Left = e.dayStartPositions[i];
dayLabels[i].Width = e.dayStartPositions[i + 1] - e.dayStartPositions[i] + 1;
}
if (weekView)
{
// hide day change button for week view
leftDayButton.Visible = false;
rightDayButton.Visible = false;
}
else
{
// show day change buttons for day view
rightDayButton.Left = e.dayStartPositions[0] + selectedDayLabel.Width + 60;
rightDayButton.Visible = true;
leftDayButton.Left = e.dayStartPositions[0] - 60 - rightDayButton.Width;
leftDayButton.Visible = true;
}
}
/// <summary>
/// Draw the day/hour grid and hour labels for the frame of the calendar
/// </summary>
/// <param name="pe">PaintEventArgs for drawing graphics on the control</param>
public void DrawCalendarFrame(PaintEventArgs pe)
{
int width = this.ClientRectangle.Width - leftMargin - rightMargin;
int height = 1920;
int left = this.ClientRectangle.Left + leftMargin;
int top = this.ClientRectangle.Top + topMargin;
int right = left + width;
int bottom = top + height;
// fire the resize event with the needed positions for the day dividers
CalendarResizedEventArgs r = new CalendarResizedEventArgs
{
dayStartPositions = new int[] { left, left + width / 5, left + 2 * width / 5, left + 3 * width / 5, left + 4 * width / 5, right },
};
ResizeEvent?.Invoke(this, r);
Pen pen = new Pen(Color.LightGray);
// draw horizontal divider lines of calendar
int startX;
for (int i = 0; i < 48; i++)
{
if (i % 2 == 0)
{
startX = 0;
}
else
{
startX = leftMargin;
}
pe.Graphics.DrawLine(pen, new Point(startX, top + 40 * i), new Point(right, top + 40 * i));
}
pen.Color = Color.Black;
// draw vertical divider lines of calendar
pe.Graphics.DrawLine(pen, new Point(left, top), new Point(left, bottom)); // left vertical border line
pe.Graphics.DrawLine(pen, new Point(left + width / 5, top), new Point(left + width / 5, bottom));
pe.Graphics.DrawLine(pen, new Point(left + 2 * width / 5, top), new Point(left + 2 * width / 5, bottom));
pe.Graphics.DrawLine(pen, new Point(left + 3 * width / 5, top), new Point(left + 3 * width / 5, bottom));
pe.Graphics.DrawLine(pen, new Point(left + 4 * width / 5, top), new Point(left + 4 * width / 5, bottom));
pe.Graphics.DrawLine(pen, new Point(right, top), new Point(right, bottom)); // right vertical border line
// draw bottom border line
pen.Width *= 2;
pe.Graphics.DrawLine(pen, new Point(left, bottom), new Point(right, bottom));
// finished with pen for drawing, so dispose
pen.Dispose();
// prepare to draw hour divider labels (using SolidBrush)
System.Drawing.Font drawFont = new System.Drawing.Font("Segoe UI", 12);
System.Drawing.SolidBrush brush = new System.Drawing.SolidBrush(System.Drawing.Color.Gray);
System.Drawing.StringFormat drawFormat = new System.Drawing.StringFormat();
// draw label for each hour
for (int i = 0; i < 24; i++)
{
pe.Graphics.DrawString(GetHourLabel(i), drawFont, brush, 5, top + 80 * i, drawFormat);
}
// dispose of string drawing resources
drawFont.Dispose();
brush.Dispose();
drawFormat.Dispose();
}