protected override void SetBoundsCore(int x, int y, int width, int height, BoundsSpecified specified) { ISite site = ParentInternal?.Site; if (IsHandleCreated && (site == null || !site.DesignMode)) { Rectangle oldBounds = Bounds; base.SetBoundsCore(x, y, width, height, specified); Rectangle newBounds = Bounds; int yDelta = oldBounds.Height - newBounds.Height; if (yDelta != 0) { // NOTE: This logic is to keep minimized MDI children anchored to // the bottom left of the client area, normally they are anchored // to the top right which just looks wierd! // NativeMethods.WINDOWPLACEMENT wp = new NativeMethods.WINDOWPLACEMENT { length = Marshal.SizeOf <NativeMethods.WINDOWPLACEMENT>() }; for (int i = 0; i < Controls.Count; i++) { Control ctl = Controls[i]; if (ctl != null && ctl is Form) { Form child = (Form)ctl; // Only adjust the window position for visible MDI Child windows to prevent // them from being re-displayed. if (child.CanRecreateHandle() && child.WindowState == FormWindowState.Minimized) { UnsafeNativeMethods.GetWindowPlacement(new HandleRef(child, child.Handle), ref wp); wp.ptMinPosition.Y -= yDelta; if (wp.ptMinPosition.Y == -1) { if (yDelta < 0) { wp.ptMinPosition.Y = 0; } else { wp.ptMinPosition.Y = -2; } } wp.flags = NativeMethods.WPF_SETMINPOSITION; UnsafeNativeMethods.SetWindowPlacement(new HandleRef(child, child.Handle), ref wp); wp.flags = 0; } } } } } else { base.SetBoundsCore(x, y, width, height, specified); } }
/// <include file='doc\MDIClient.uex' path='docs/doc[@for="MdiClient.SetBoundsCore"]/*' /> /// <devdoc> /// <para>[To be supplied.]</para> /// </devdoc> protected override void SetBoundsCore(int x, int y, int width, int height, BoundsSpecified specified) { ISite site = (ParentInternal == null) ? null : ParentInternal.Site; if (IsHandleCreated && (site == null || !site.DesignMode)) { Rectangle oldBounds = Bounds; base.SetBoundsCore(x, y, width, height, specified); Rectangle newBounds = Bounds; int yDelta = oldBounds.Height - newBounds.Height; // NOTE: This logic is to keep minimized MDI children anchored to // the bottom left of the client area, normally they are anchored // to the top right which just looks wierd! // NativeMethods.WINDOWPLACEMENT wp = new NativeMethods.WINDOWPLACEMENT(); wp.length = Marshal.SizeOf(typeof(NativeMethods.WINDOWPLACEMENT)); for (int i = 0; i < Controls.Count; i++) { Control ctl = Controls[i]; if (ctl != null && ctl is Form) { Form child = (Form)ctl; if (child.WindowState == FormWindowState.Minimized) { UnsafeNativeMethods.GetWindowPlacement(new HandleRef(child, child.Handle), ref wp); wp.ptMinPosition_y -= yDelta; if (wp.ptMinPosition_y == -1) { if (yDelta < 0) { wp.ptMinPosition_y = 0; } else { wp.ptMinPosition_y = -2; } } wp.flags = NativeMethods.WPF_SETMINPOSITION; UnsafeNativeMethods.SetWindowPlacement(new HandleRef(child, child.Handle), ref wp); wp.flags = 0; } } } } else { base.SetBoundsCore(x, y, width, height, specified); } }