/// <summary>
/// Attaches a new window to the filter. The default implementation
/// parents un-parented windows to the application host. Override to
/// provide custom logic.
/// </summary>
/// <param name="host"></param>
/// <param name="hWnd"></param>
public virtual void AttachWindow(AppHost host, IntPtr hWnd)
{
// By default we just parent the window to the host. Note that some
// dialogs may already be parented. These are skipped.
if (!IsParented(hWnd))
NativeMethods.SetParent(hWnd, GetHostHandle(host));
}
public override void ResizeWindow(AppHost host, IntPtr hWnd)
{
// Main windows aren't centered. We only handle the maximize case, and
// only that when the window allows maximization.
var style = (WindowStyle)NativeMethods.GetWindowLong(hWnd, NativeMethods.GWL_STYLE);
if (_maximize && (style & WindowStyle.MaximizeBox) == WindowStyle.MaximizeBox)
{
if ((style & (WindowStyle.Caption | WindowStyle.SizeFrame)) != 0)
{
// If we are going to maximize the main window, remove its
// chrome.
NativeMethods.SetWindowLong(
hWnd,
NativeMethods.GWL_STYLE,
(int)(style & ~(WindowStyle.Caption | WindowStyle.SizeFrame))
);
// Inform the window of the changes.
NativeMethods.SetWindowPos(
hWnd,
IntPtr.Zero,
0, 0, 0, 0,
NativeMethods.SWP_NOMOVE | NativeMethods.SWP_NOSIZE | NativeMethods.SWP_NOZORDER | NativeMethods.SWP_FRAMECHANGED
);
}
var parent = NativeMethods.GetParent(hWnd);
var hostHandle = GetHostHandle(host);
MaximizeWindow(hWnd, host.Size);
}
}
public override void ResizeWindow(AppHost host, IntPtr hWnd)
{
CenterWindow(hWnd, host.Size);
}
/// <summary>
/// Detaches a window from the filter. Override to provide custom logic.
/// </summary>
/// <param name="host"></param>
/// <param name="hWnd"></param>
public virtual void DetachWindow(AppHost host, IntPtr hWnd)
{
}
internal IntPtr GetHostHandle(AppHost host)
{
if (_hostHandle == IntPtr.Zero)
{
if (host.InvokeRequired)
{
return (IntPtr)host.Invoke(
new Func<AppHost, IntPtr>(GetHostHandle), host
);
}
else
{
_hostHandle = host.Handle;
}
}
return _hostHandle;
}
/// <summary>
/// Called when the matched window must be resized. Override when
/// windows handled by the filter must be resized based on the
/// dimensions of the application host.
/// </summary>
/// <param name="host">Application host that hosts the application
/// which created the provided window.</param>
/// <param name="hWnd">Handle to the window to be resized.</param>
public virtual void ResizeWindow(AppHost host, IntPtr hWnd)
{
}
/// <summary>
/// Called when the matched window must be resized. Override when
/// windows handled by the filter must be resized based on the
/// dimensions of the application host.
/// </summary>
/// <param name="host">Application host that hosts the application
/// which created the provided window.</param>
/// <param name="hWnd">Handle to the window to be resized.</param>
public virtual void ResizeWindow(AppHost host, IntPtr hWnd)
{
}
/// <summary>
/// Detaches a window from the filter. Override to provide custom logic.
/// </summary>
/// <param name="host"></param>
/// <param name="hWnd"></param>
public virtual void DetachWindow(AppHost host, IntPtr hWnd)
{
}
public override void AttachWindow(AppHost host, IntPtr hWnd)
{
NativeMethods.SetParent(hWnd, GetHostHandle(host));
}