} // proc LoadInternAsync
/// <summary>Control is created.</summary>
protected virtual void OnControlCreated()
{
CallMemberDirect(nameof(OnControlCreated), Array.Empty <object>(), rawGet: true, ignoreNilFunction: true);
Mouse.AddPreviewMouseDownHandler(Control, Control_MouseDownHandler);
Mouse.AddPreviewMouseDownOutsideCapturedElementHandler(Control, Control_MouseDownHandler);
Keyboard.AddPreviewGotKeyboardFocusHandler(Control, Control_GotKeyboardFocusHandler);
Keyboard.AddPreviewLostKeyboardFocusHandler(Control, Control_LostKeyboardFocusHandler);
Keyboard.AddPreviewKeyUpHandler(Control, Control_KeyUpHandler);
} // proc OnControlCreated
void StartMoving()
{
var content = this.draggedItem.Content as FrameworkElement;
if (content != null)
{
this.dragWindowSize = new Size(content.ActualWidth, content.ActualHeight);
}
else
{
this.dragWindowSize = new Size(500, 300);
}
this.draggedItem.Cursor = Cursors.SizeAll;
this.dragShadow = new Window
{
AllowsTransparency = true,
ShowInTaskbar = false,
WindowStyle = WindowStyle.None,
Width = dragWindowSize.Width,
Height = dragWindowSize.Height,
Background = new SolidColorBrush(Color.FromArgb(0x70, 0xbf, 0xdf, 0xff)),
Topmost = true,
ShowActivated = false
};
var dragImage = new ActivatableTabControl()
{
Background = Brushes.Transparent, Opacity = 0.7
};
dragImage.Items.Add(new ActivatableTabItem {
Header = draggedItem.Header
});
this.dragShadow.Content = dragImage;
this.dragShadow.Show();
var pos = this.draggedItem.PointToScreenIndependent(this.offset);
this.dragShadow.Left = pos.X - offset.X;
this.dragShadow.Top = pos.Y - offset.Y;
this.preMoving = false;
this.focusedElement = Keyboard.FocusedElement as DependencyObject;
if (this.focusedElement != null)
{
Keyboard.AddPreviewKeyDownHandler(this.focusedElement, new KeyEventHandler(OnPreviewKeyDown));
Keyboard.AddPreviewKeyUpHandler(this.focusedElement, new KeyEventHandler(OnPreviewKeyUp));
}
}
public PreviewViewVM(IApplicationCommands applicationCommands)
{
_applicationCommands = applicationCommands;
using (Graphics g = Graphics.FromHwnd(IntPtr.Zero))
{
_dpiX = g.DpiX;
_dpiY = g.DpiY;
}
foreach (Window window in Application.Current.Windows)
{
Mouse.AddMouseUpHandler(window, new MouseButtonEventHandler(MouseUpEvent));
Keyboard.AddPreviewKeyUpHandler(window, new KeyEventHandler(KeyUpEvent));
}
_timer = new DispatcherTimer {
Interval = TimeSpan.FromSeconds(1.5)
};
_timer.Tick += Timer_Tick;
}
