private void btnPreview_Click(object sender, EventArgs e)
{
DiskSpaceImageWriter writer;
int imageWidth;
int imageHeight;
string fontName;
float fontSize;
string fontColour;
Boolean showVolumeLabel;
imageWidth = Convert.ToInt32(this.nudWidth.Value);
imageHeight = Convert.ToInt32(this.nudHeight.Value);
fontName = this.llFont.Text;
fontSize = float.Parse(Convert.ToString(this.nudSize.Value));
fontColour = this.llColour.Text;
showVolumeLabel = this.cbxShowVolume.Checked;
writer = new DiskSpaceImageWriter(imageWidth, imageHeight, fontName, fontSize, fontColour, "", showVolumeLabel);
writer.RenderImage();
this.pbImage.Image = writer.Image;
this.pbImage.Width = imageWidth;
this.pbImage.Height = imageHeight;
this.Width = imageWidth + 33;
this.Height = imageHeight + 116;
}
protected override void OnStart(string[] args)
{
// Setup logging
this.log = new EventLog("Application");
if (!EventLog.SourceExists("DiskSpaceImage"))
{
EventLog.CreateEventSource("DiskSpaceImage", "Application");
}
this.log.Source = "DiskSpaceImage";
// Log the parameters used
this.log.WriteEntry("Image size is " + ConfigurationManager.AppSettings["ImageWidth"] + "px by " + ConfigurationManager.AppSettings["ImageHeight"] + "px", EventLogEntryType.Information);
this.log.WriteEntry("Image style is " + ConfigurationManager.AppSettings["FontName"] + " " + ConfigurationManager.AppSettings["FontSize"] + "em " + ConfigurationManager.AppSettings["FontColour"], EventLogEntryType.Information);
this.log.WriteEntry("Image path is " + ConfigurationManager.AppSettings["ImageName"], EventLogEntryType.Information);
// Initialise the writer object
this.writer = new DiskSpaceImageWriter(
Convert.ToInt16(ConfigurationManager.AppSettings["ImageWidth"]),
Convert.ToInt16(ConfigurationManager.AppSettings["ImageHeight"]),
ConfigurationManager.AppSettings["FontName"],
float.Parse(ConfigurationManager.AppSettings["FontSize"]),
ConfigurationManager.AppSettings["FontColour"],
ConfigurationManager.AppSettings["ImageName"],
Convert.ToBoolean(ConfigurationManager.AppSettings["ShowVolumeLabel"]));
// Write out the image
this.OnTimedEvent(null, null);
// Setup a timer to fire every X milliseconds
this.t = new Timer((Convert.ToDouble(ConfigurationManager.AppSettings["TimerInterval"])));
this.log.WriteEntry("Refresh interval set to " + this.t.Interval + "ms", EventLogEntryType.Information);
this.t.Elapsed += new ElapsedEventHandler(OnTimedEvent);
this.t.AutoReset = true;
this.t.Start();
}
