/// <summary>
/// Set the value of the main window to null so that only
/// one can be created
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">Any Event arguments</param>
private static void AutoSheetMainWindowOnClosed(object sender, EventArgs e)
{
_autoSheetMainWindow = null;
if (DataSheet == null)
{
return;
}
DataSheet.Dispose();
DataSheet = null;
}
/// <summary>
/// Opens a design Sheet given a path
/// </summary>
/// <param name="filePath">The path to the design sheet</param>
public static void OpenDesignSheet(string filePath)
{
if (DataSheet != null && DataSheet.IsReady())
{
throw new DataSheetAlreadyExists();
}
if (DataSheet != null && !DataSheet.IsReady())
{
DataSheet.Dispose();
DataSheet = null;
}
try
{
DataSheet
= new PipeDataSheet(filePath, PipeDataSheet.PipeDataSheetName);
// Test to see if it succeeded
if (!DataSheet.IsReady())
{
DataSheet = null;
}
}
catch (FilenameNullException)
{
MessageBox.Show("No Filename was provided", "AutoSheet Error", MessageBoxButtons.OK);
}
catch (FileNotFoundException)
{
MessageBox.Show("Filename provided could not be found", "AutoSheet Error", MessageBoxButtons.OK);
}
catch (COMException e)
{
MessageBox.Show($"There was an error opening the file: {e}", "AutoSheet Error", MessageBoxButtons.OK);
DataSheet?.Dispose();
}
}
