protected void UpdateClipRegion(ClipRegionChangeType regionChangeType = ClipRegionChangeType.FromPropertyChange)
{
var hwndSource = (HwndSource)PresentationSource.FromVisual(this);
if (hwndSource == null)
{
return;
}
RECT lpRect;
NativeMethods.GetWindowRect(hwndSource.Handle, out lpRect);
var windowPlacement = NativeMethods.GetWindowPlacement(hwndSource.Handle);
UpdateClipRegion(hwndSource.Handle, windowPlacement, regionChangeType, lpRect);
}
public void UpdateWindowPos()
{
var targetWindowHandle = TargetWindowHandle;
RECT lpRect;
NativeMethods.GetWindowRect(targetWindowHandle, out lpRect);
NativeMethods.GetWindowPlacement(targetWindowHandle);
if (!IsVisible)
{
return;
}
switch (_direction)
{
case Dock.Left:
Border.Height = lpRect.Height;
Left = lpRect.Left - 9;
Top = lpRect.Top - 9;
Width = 9;
Height = lpRect.Height + 18;
break;
case Dock.Top:
Border.Width = lpRect.Width + 2;
Left = lpRect.Left - 9;
Top = lpRect.Top - 9;
Width = lpRect.Width + 18;
Height = 9;
break;
case Dock.Right:
Border.Height = lpRect.Height;
Left = lpRect.Right;
Top = lpRect.Top - 9;
Width = 9;
Height = lpRect.Height + 18;
break;
default:
Border.Width = lpRect.Width + 2;
Left = lpRect.Left - 9;
Top = lpRect.Bottom;
Width = lpRect.Width + 18;
Height = 9;
break;
}
}
protected static void ShowWindowMenu(HwndSource source, Point screenPoint, bool canMinimize)
{
var systemMetrics = NativeMethods.GetSystemMetrics(40);
var systemMenu = NativeMethods.GetSystemMenu(source.Handle, false);
var windowPlacement = NativeMethods.GetWindowPlacement(source.Handle);
var flag = VisualUtilities.ModifyStyle(source.Handle, 268435456, 0);
var uEnable = canMinimize ? 0U : 1U;
if (windowPlacement.showCmd == 1)
{
NativeMethods.EnableMenuItem(systemMenu, 61728U, 1U);
NativeMethods.EnableMenuItem(systemMenu, 61456U, 0U);
NativeMethods.EnableMenuItem(systemMenu, 61440U, 0U);
NativeMethods.EnableMenuItem(systemMenu, 61488U, 0U);
NativeMethods.EnableMenuItem(systemMenu, 61472U, uEnable);
NativeMethods.EnableMenuItem(systemMenu, 61536U, 0U);
}
else if (windowPlacement.showCmd == 3)
{
NativeMethods.EnableMenuItem(systemMenu, 61728U, 0U);
NativeMethods.EnableMenuItem(systemMenu, 61456U, 1U);
NativeMethods.EnableMenuItem(systemMenu, 61440U, 1U);
NativeMethods.EnableMenuItem(systemMenu, 61488U, 1U);
NativeMethods.EnableMenuItem(systemMenu, 61472U, uEnable);
NativeMethods.EnableMenuItem(systemMenu, 61536U, 0U);
}
if (flag)
{
VisualUtilities.ModifyStyle(source.Handle, 0, 268435456);
}
var fuFlags = (uint)(systemMetrics | 256 | 128 | 2);
var num = NativeMethods.TrackPopupMenuEx(systemMenu, fuFlags, (int)screenPoint.X, (int)screenPoint.Y,
source.Handle, IntPtr.Zero);
if (num == 0)
{
return;
}
NativeMethods.PostMessage(source.Handle, 274, new IntPtr(num), IntPtr.Zero);
}
private void WmWindowPosChanged(IntPtr hWnd, IntPtr lParam)
{
try
{
var windowpos = (Windowpos)Marshal.PtrToStructure(lParam, typeof(Windowpos));
var windowPlacement = NativeMethods.GetWindowPlacement(hWnd);
var currentBounds = new RECT(windowpos.x, windowpos.y, windowpos.x + windowpos.cx,
windowpos.y + windowpos.cy);
if (((int)windowpos.flags & 1) != 1)
{
UpdateClipRegion(hWnd, windowPlacement, ClipRegionChangeType.FromSize, currentBounds);
}
else if (((int)windowpos.flags & 2) != 2)
{
UpdateClipRegion(hWnd, windowPlacement, ClipRegionChangeType.FromPosition, currentBounds);
}
OnWindowPosChanged(hWnd, windowPlacement.showCmd, windowPlacement.rcNormalPosition.ToInt32Rect());
UpdateGlowWindowPositions(true);
UpdateZOrderOfThisAndOwner();
}
catch (Win32Exception)
{
}
}