protected override void WndProc(ref Message m)
{
if (!IsDesignMode)
{
switch (m.Msg)
{
case (int)WindowsMessages.WM_SHOWWINDOW:
{
if (StartPosition == FormStartPosition.CenterParent && Owner != null)
{
Location = new Point(Owner.Location.X + Owner.Width / 2 - Width / 2,
Owner.Location.Y + Owner.Height / 2 - Height / 2);
}
else if (StartPosition == FormStartPosition.CenterScreen || (StartPosition == FormStartPosition.CenterParent && Owner == null))
{
var currentScreen = Screen.FromHandle(this.Handle);
Location = new Point(currentScreen.WorkingArea.Left + (currentScreen.WorkingArea.Width / 2 - this.Width / 2), currentScreen.WorkingArea.Top + (currentScreen.WorkingArea.Height / 2 - this.Height / 2));
}
Activate();
BringToFront();
base.WndProc(ref m);
}
break;
case (int)WindowsMessages.WM_MOVE:
{
browser?.BrowserHost?.NotifyScreenInfoChanged();
base.WndProc(ref m);
}
break;
case (int)WindowsMessages.WM_SIZE:
{
var x = (int)User32.LoWord(m.LParam);
var y = (int)User32.HiWord(m.LParam);
if (browser != null && browser.IsHandleCreated)
{
var js = string.Format(JsHostWindowObject.JS_WINDOW_STATE_CHANGED, m.WParam, x, y);
browser.ExecuteJavascript(js);
}
}
break;
default:
{
base.WndProc(ref m);
}
break;
}
}
else
{
base.WndProc(ref m);
}
}
protected override void WndProc(ref Message m)
{
if (!IsDesignMode)
{
switch (m.Msg)
{
case NativeMethods.WindowsMessage.WM_SHOWWINDOW:
{
if (StartPosition == FormStartPosition.CenterParent && Owner != null)
{
Location = new Point(Owner.Location.X + Owner.Width / 2 - Width / 2,
Owner.Location.Y + Owner.Height / 2 - Height / 2);
}
else if (StartPosition == FormStartPosition.CenterScreen || (StartPosition == FormStartPosition.CenterParent && Owner == null))
{
var currentScreen = Screen.FromHandle(this.Handle);
Location = new Point(currentScreen.WorkingArea.Left + (currentScreen.WorkingArea.Width / 2 - this.Width / 2), currentScreen.WorkingArea.Top + (currentScreen.WorkingArea.Height / 2 - this.Height / 2));
}
Activate();
BringToFront();
base.WndProc(ref m);
}
break;
case NativeMethods.WindowsMessage.WM_NCHITTEST:
{
if (m.Result == NativeMethods.FALSE && Resizable)
{
Point p = PointToClient(new Point(NativeMethods.LoWord(m.LParam.ToInt32()), NativeMethods.HiWord(m.LParam.ToInt32())));
var hit = GetDirection(p.X, p.Y);
SetResizeMethod(hit);
m.Result = (IntPtr)hit;
}
else
{
base.WndProc(ref m);
}
}
break;
case NativeMethods.WindowsMessage.WM_SIZE:
{
var msg = m.WParam.ToInt32();
if (msg == 0 && fullClientModePadding.HasValue)
{
Padding = fullClientModePadding.Value;
fullClientModePadding = null;
}
else if (msg == 2)
{
if (fullClientModePadding == null)
{
fullClientModePadding = Padding;
}
Padding = maxPadding;
}
if (browser != null && browser.IsHandleCreated)
{
var x = NativeMethods.LoWord(m.LParam.ToInt32());
var y = NativeMethods.HiWord(m.LParam.ToInt32());
var js = string.Format(JS_WINDOW_STATE_CHANGED, m.WParam, x, y);
browser.ExecuteJavascript(js);
}
base.WndProc(ref m);
}
break;
case NativeMethods.WindowsMessage.WM_SYSCOMMAND:
{
var msg = m.WParam.ToInt32();
if (msg == NativeMethods.SysCommand.SC_MINIMIZE || msg == NativeMethods.SysCommand.SC_MAXIMIZE)
{
if (WindowState != FormWindowState.Minimized && WindowState != FormWindowState.Maximized)
{
windowOriginalSize = ClientSize;
}
}
base.WndProc(ref m);
}
break;
default:
{
if (IsNonclientMode)
{
NonclientModeWndProc(ref m);
}
else
{
DwmModeWndProc(ref m);
}
}
break;
}
}
else
{
base.WndProc(ref m);
}
}
