/// <summary>
/// Start the action on a separate thread and show a progress bar. When action completes the dialog is closed.
/// </summary>
/// <param name="owner">Parent form</param>
/// <param name="title">Title of the window</param>
/// <param name="action">Action to perform while displaying the dialog</param>
/// <param name="offset">Offset from the alignment point</param>
/// <param name="ownerAlignment">Alignment point to the parent</param>
public static LoadingDialog Show(Form owner, string title, Action <LoadingDialogInterface> action,
Point offset = default(Point), ContentAlignment ownerAlignment = ContentAlignment.MiddleCenter)
{
if (owner == null)
{
owner = DefaultOwner;
}
// Find the topmost form so clicking on forms above owner doesn't bring the loading form under the others
while (owner != null && owner.OwnedForms.Length > 0)
{
owner = owner.OwnedForms[0];
}
var loadBar = new LoadingDialog(title, action)
{
_offset = offset,
_ownerAlignment = ownerAlignment,
Owner = owner,
StartPosition = FormStartPosition.Manual,
_startAutomatically = false,
};
loadBar.Show(loadBar.Owner);
return(loadBar);
}
internal LoadingDialogInterface(LoadingDialog dialog)
{
Dialog = dialog;
_updateTimer = new Timer
{
AutoReset = true,
Interval = 35,
SynchronizingObject = Dialog
};
_updateTimer.Elapsed += UpdateTimerOnElapsed;
_updateTimer.Start();
}
/// <summary>
/// Start the action on a separate thread and show a progress bar.
/// </summary>
/// <param name="owner">Parent form</param>
/// <param name="title">Title of the window</param>
/// <param name="action">Action to perform while displaying the dialog</param>
/// <param name="offset">Offset from the alignment point</param>
/// <param name="ownerAlignment">Alignment point to the parent</param>
public static Exception ShowDialog(Form owner, string title, Action <LoadingDialogInterface> action,
Point offset = default(Point), ContentAlignment ownerAlignment = ContentAlignment.MiddleCenter)
{
using (var loadBar = new LoadingDialog(title, action)
{
_offset = offset,
_ownerAlignment = ownerAlignment,
Owner = owner ?? DefaultOwner,
StartPosition = FormStartPosition.Manual,
_startAutomatically = true
})
{
loadBar.ShowDialog(loadBar.Owner);
return(loadBar.Error);
}
}