private void OnClosing(ClosingReason reason, ref bool cancel)
{
// Check if can close window
if (CanCloseWindow(reason))
{
if (reason == ClosingReason.User)
{
_result = DialogResult.Cancel;
}
// Clean up
_window = null;
// Check if any thead is blocked during ShowDialog, then wait for it
bool wait = true;
while (wait)
{
wait = Interlocked.Read(ref _isWaitingForDialog) > 0;
Thread.Sleep(1);
}
// Close window
return;
}
// Supress closing
cancel = true;
}
/// <summary>
/// Closes this dialog.
/// </summary>
public void Close()
{
if (_window != null)
{
var win = _window;
_window = null;
win.Close();
}
}
/// <summary>
/// Shows the dialog and waits for the result.
/// </summary>
/// <param name="parentWindow">The parent window.</param>
/// <returns>The dialog result.</returns>
public DialogResult ShowDialog(FlaxEngine.Window parentWindow)
{
// Show window
Show(parentWindow);
// Set wait flag
Interlocked.Increment(ref _isWaitingForDialog);
// Wait for the closing
do
{
Thread.Sleep(1);
} while (_window);
// Clear wait flag
Interlocked.Decrement(ref _isWaitingForDialog);
return(_result);
}
/// <summary>
/// Shows the dialog.
/// </summary>
/// <param name="parentWindow">The parent window.</param>
public void Show(FlaxEngine.Window parentWindow)
{
// Setup initial window settings
CreateWindowSettings settings = CreateWindowSettings.Default;
settings.Title = _title;
settings.Size = Size;
settings.AllowMaximize = false;
settings.AllowMinimize = false;
settings.HasSizingFrame = false;
settings.StartPosition = WindowStartPosition.CenterParent;
settings.Parent = parentWindow;
SetupWindowSettings(ref settings);
// Create window
_window = FlaxEngine.Window.Create(settings);
var windowGUI = _window.GUI;
// Attach events
_window.OnClosing += OnClosing;
_window.OnClosed += OnClosed;
// Link to the window
Parent = windowGUI;
// Show
_window.Show();
_window.Focus();
_window.FlashWindow();
// Perform layout
windowGUI.UnlockChildrenRecursive();
windowGUI.PerformLayout();
OnShow();
}
private void OnClosed()
{
_window = null;
}
