public static SpreadsheetProgram GetAppContext()
{
if (appContext == null)
{
appContext = new SpreadsheetProgram();
}
return(appContext);
}
public static SpreadsheetProgram GetAppContext()
{
if(appContext == null)
{
appContext = new SpreadsheetProgram();
}
return appContext;
}
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
SpreadsheetProgram appContext = SpreadsheetProgram.GetAppContext();
appContext.RunForm(new Form1());
Application.Run(appContext);
}
/// <summary>
/// Menu item that opens a spreadsheet file
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void openMenuItemClickHandler(object sender, EventArgs e)
{
OpenFileDialog d = new OpenFileDialog();
d.CheckFileExists = true;
d.Filter = "Spreadsheet File (*.sprd)|*.sprd|All Files (*.*)|*.*";
DialogResult result = d.ShowDialog();
string filename = "";
if (result == DialogResult.OK)
{
filename = d.FileName;
SpreadsheetProgram.GetAppContext().RunForm(new Form1(filename));
}
}
/// <summary>
/// Menu item that creates a new spreadsheet file
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void newMenuItemClickHandler(object sender, EventArgs e)
{
SpreadsheetProgram.GetAppContext().RunForm(new Form1());
}