private static void Program_OnAfterClick(object sender, MenuEventArgs e)
{
try
{
var form = new FormGridDemo();
form.Show();
}
catch (Exception ex)
{
Nampula.UI.Application.GetInstance().MessageBox(ex.Message, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public bool Dummy( )
{
// create the login dialog
var myDialog = new FormGridDemo( );
// How we show it depends on where we are. We might be in the main thread, or in a background thread
// (There may be better ways of doing this??)
if (SynchronizationContext.Current == null)
{
// We are in the main thread. Just display the dialog
DialogResult result = myDialog.ShowDialog( );
return(result == DialogResult.OK);
}
else
{
// Get the window handle of the main window of the calling process
IntPtr windowHandle = Process.GetCurrentProcess( ).MainWindowHandle;
if (windowHandle == IntPtr.Zero)
{
// No window displayed yet
DialogResult result = myDialog.ShowDialog( );
return(result == DialogResult.OK);
}
else
{
// Parent window exists on separate thread
// We want the dialog box to appear in front of the main window in the calling program
// We would like to be able to do 'myDialog.ShowDialog(windowHandleWrapper)', but that means doing something on the UI thread
object resultState = null;
SynchronizationContext.Current.Send(
new SendOrPostCallback(delegate(object state) { resultState = myDialog.ShowDialog( ); }), resultState);
if (resultState is DialogResult)
{
var result = (DialogResult)resultState;
return(result == DialogResult.OK);
}
else
{
return(false);
}
}
}
}