/// <summary>
/// Excludes the specified child control from the glass effect.
/// </summary>
/// <param name="parent">The parent control.</param>
/// <param name="control">The control to exclude.</param>
/// <exception cref="ArgumentNullException">Occurs if control is null.</exception>
/// <exception cref="ArgumentException">Occurs if control is not a child control.</exception>
public static void ExcludeChildFromGlass(this Control parent, Control control)
{
if (control == null)
{
throw new ArgumentNullException("control");
}
if (!parent.Contains(control))
{
throw new ArgumentException("Control must be a child control.");
}
if (IsCompositionEnabled())
{
System.Drawing.Rectangle clientScreen = parent.RectangleToScreen(parent.ClientRectangle);
System.Drawing.Rectangle controlScreen = control.RectangleToScreen(control.ClientRectangle);
Margins margins = new Margins(controlScreen.Left - clientScreen.Left, controlScreen.Top - clientScreen.Top,
clientScreen.Right - controlScreen.Right, clientScreen.Bottom - controlScreen.Bottom);
// Extend the Frame into client area
DwmExtendFrameIntoClientArea(parent.Handle, ref margins);
}
}
static Margins()
{
Empty = new Margins(0);
Infinite = new Margins(-1);
}
static Margins()
{
Empty = new Margins(0);
Infinite = new Margins(-1);
}
static extern void DwmExtendFrameIntoClientArea(IntPtr hWnd, ref Margins pMarInset);
/// <summary>
/// Extends the window frame beyond the client area.
/// </summary>
/// <param name="window">The window.</param>
/// <param name="padding">The padding to use as the area into which the frame is extended.</param>
public static void ExtendFrameIntoClientArea(this IWin32Window window, Padding padding)
{
Margins m = new Margins(padding);
DwmExtendFrameIntoClientArea(window.Handle, ref m);
}
/// <summary>
/// Excludes the specified child control from the glass effect.
/// </summary>
/// <param name="parent">The parent control.</param>
/// <param name="control">The control to exclude.</param>
/// <exception cref="ArgumentNullException">Occurs if control is null.</exception>
/// <exception cref="ArgumentException">Occurs if control is not a child control.</exception>
public static void ExcludeChildFromGlass(this Control parent, Control control)
{
if (control == null)
throw new ArgumentNullException("control");
if (!parent.Contains(control))
throw new ArgumentException("Control must be a child control.");
if (IsCompositionEnabled())
{
System.Drawing.Rectangle clientScreen = parent.RectangleToScreen(parent.ClientRectangle);
System.Drawing.Rectangle controlScreen = control.RectangleToScreen(control.ClientRectangle);
Margins margins = new Margins(controlScreen.Left - clientScreen.Left, controlScreen.Top - clientScreen.Top,
clientScreen.Right - controlScreen.Right, clientScreen.Bottom - controlScreen.Bottom);
// Extend the Frame into client area
DwmExtendFrameIntoClientArea(parent.Handle, ref margins);
}
}
static extern void DwmExtendFrameIntoClientArea(IntPtr hWnd, ref Margins pMarInset);
/// <summary>
/// Extends the window frame beyond the client area.
/// </summary>
/// <param name="window">The window.</param>
/// <param name="padding">The padding to use as the area into which the frame is extended.</param>
public static void ExtendFrameIntoClientArea(this IWin32Window window, Padding padding)
{
Margins m = new Margins(padding);
DwmExtendFrameIntoClientArea(window.Handle, ref m);
}
