/// <summary> /// Provides derived classes an opportunity to handle changes to the IsActive property. /// </summary> protected virtual void OnIsActiveChanged(DependencyPropertyChangedEventArgs e) { if (_isActiveReentrantFlag.CanEnter) { using (_isActiveReentrantFlag.Enter()) { if (LayoutElement != null) { LayoutElement.IsActive = ( bool )e.NewValue; } } } }
protected override void OnVisibilityChanged() { if (_anchorable != null && _anchorable.Root != null) { if (_visibilityReentrantFlag.CanEnter) { using (_visibilityReentrantFlag.Enter()) { if (Visibility == System.Windows.Visibility.Hidden) { _anchorable.Hide(false); } else if (Visibility == System.Windows.Visibility.Visible) { _anchorable.Show(); } } } } base.OnVisibilityChanged(); }
private void _anchorable_IsVisibleChanged(object sender, EventArgs e) { if (_anchorable != null && _anchorable.Root != null) { if (_anchorableVisibilityReentrantFlag.CanEnter) { using (_anchorableVisibilityReentrantFlag.Enter()) { if (_anchorable.IsVisible) { Visibility = Visibility.Visible; } else { Visibility = Visibility.Hidden; } } } } }
public int HookProc(int code, IntPtr wParam, IntPtr lParam) { if (code == Win32Helper.HCBT_SETFOCUS) { if (FocusChanged != null) { FocusChanged(this, new FocusChangeEventArgs(wParam, lParam)); } } else if (code == Win32Helper.HCBT_ACTIVATE) { if (_insideActivateEvent.CanEnter) { using (_insideActivateEvent.Enter()) { //if (Activate != null) // Activate(this, new WindowActivateEventArgs(wParam)); } } } return(Win32Helper.CallNextHookEx(_windowHook, code, wParam, lParam)); }
protected void FixChildrenDockLengths() { using (_fixingChildrenDockLengths.Enter()) OnFixChildrenDockLengths(); }