/// <summary>
/// This is called when user clicks X button in dialog title bar</summary>
/// <param name="sender">Sender of the event</param>
/// <param name="e">Event args</param>
protected virtual void OnDialogClosing(object sender, HostClosingEventArgs e)
{
var vm = m_viewModel;
if (!m_closing && vm != null && vm.CancelCommand != null)
{
// Catch case where dialog is closed using the close button via windows
// Feed this through the view model
if (!vm.CancelCommand.CanExecute(null))
{
// VM has prevented dialog close so cancel the operation
e.Cancel = true;
}
else
{
try
{
m_closing = true;
vm.CancelCommand.Execute(null);
// Only set dialog result if this is a modal dialog
//if (ComponentDispatcher.IsThreadModal)
// m_host.DialogResult = e.Cancel;
//e.DialogResult = e.Cancel;
}
finally
{
m_closing = false;
}
}
}
// Removed this as the DataContext is required in overriding methods
if (!e.Cancel)
{
// DAN: Workaround as for some reason even after dialog is closed
// The command manager keeps querying the commands in the data model!
DataContext = null;
}
}
/// <summary>
/// Event raised when the dialog is being closed.</summary>
/// <param name="e">A <see cref="T:System.ComponentModel.CancelEventArgs" /> that contains the event data.</param>
protected override void OnClosing(CancelEventArgs e)
{
base.OnClosing(e);
if (!e.Cancel)
{
var args = new HostClosingEventArgs {
DialogResult = DialogResult
};
DialogClosing.Raise(this, args);
e.Cancel = args.Cancel;
// Prevent main application disappearing behind other windows:
// http://stackoverflow.com/questions/13209526/main-window-disappears-behind-other-applications-windows-after-a-sub-window-use
if (!e.Cancel && Owner != null)
{
Owner.Focus();
}
}
}
/// <summary>
/// Request that the dialog close with given dialog result.
/// DialogClosing event is raised, allowing subscribers the chance to cancel.
/// </summary>
/// <param name="dialogResult">The desired dialog result to close with</param>
/// <exception cref="System.InvalidOperationException">Owner is null</exception>
public void RequestClose(bool?dialogResult)
{
var owner = Owner as IDialogSite;
if (owner == null)
{
throw new InvalidOperationException("");
}
var args = new HostClosingEventArgs()
{
DialogResult = dialogResult
};
DialogClosing.Raise(this, args);
if (!args.Cancel)
{
owner.HideSite();
owner.Site.Children.Remove(m_dialogContent);
m_dialogResult = args.DialogResult;
m_frame.Continue = false;
}
}
/// <summary>
/// Event raised when the dialog is being closed.</summary>
/// <param name="e">A <see cref="T:System.ComponentModel.CancelEventArgs" /> that contains the event data.</param>
protected override void OnClosing(CancelEventArgs e)
{
base.OnClosing(e);
if (!e.Cancel)
{
var args = new HostClosingEventArgs { DialogResult = DialogResult };
DialogClosing.Raise(this, args);
e.Cancel = args.Cancel;
// Prevent main application disappearing behind other windows:
// http://stackoverflow.com/questions/13209526/main-window-disappears-behind-other-applications-windows-after-a-sub-window-use
if (!e.Cancel && Owner != null)
Owner.Focus();
}
}
/// <summary>
/// This is called when user clicks X button in dialog title bar</summary>
/// <param name="sender">Sender of the event</param>
/// <param name="e">Event args</param>
protected virtual void OnDialogClosing(object sender, HostClosingEventArgs e)
{
var vm = m_viewModel;
if (!m_closing && vm != null && vm.CancelCommand != null)
{
// Catch case where dialog is closed using the close button via windows
// Feed this through the view model
if (!vm.CancelCommand.CanExecute(null))
{
// VM has prevented dialog close so cancel the operation
e.Cancel = true;
}
else
{
try
{
m_closing = true;
vm.CancelCommand.Execute(null);
// Only set dialog result if this is a modal dialog
//if (ComponentDispatcher.IsThreadModal)
// m_host.DialogResult = e.Cancel;
//e.DialogResult = e.Cancel;
}
finally
{
m_closing = false;
}
}
}
// Removed this as the DataContext is required in overriding methods
if (!e.Cancel)
{
// DAN: Workaround as for some reason even after dialog is closed
// The command manager keeps querying the commands in the data model!
DataContext = null;
}
}
/// <summary>
/// Request that the dialog close with given dialog result.
/// DialogClosing event is raised, allowing subscribers the chance to cancel.
/// </summary>
/// <param name="dialogResult">The desired dialog result to close with</param>
/// <exception cref="System.InvalidOperationException">Owner is null</exception>
public void RequestClose(bool? dialogResult)
{
var owner = Owner as IDialogSite;
if (owner == null)
throw new InvalidOperationException("");
var args = new HostClosingEventArgs() { DialogResult = dialogResult };
DialogClosing.Raise(this, args);
if (!args.Cancel)
{
owner.HideSite();
owner.Site.Children.Remove(m_dialogContent);
m_dialogResult = args.DialogResult;
m_frame.Continue = false;
}
}
