private static void SplashThreadProcedure()
{
bool isOK = true;
MSG message;
if (SplashScreen.splashWindowProcedure == null)
{
isOK = SplashScreen.current.RegisterWindowClass();
}
if (isOK)
{
isOK = SplashScreen.current.CreateNativeWindow();
}
if (isOK)
{
message = new MSG();
while (APIMessage.GetMessage(ref message, IntPtr.Zero, 0, 0))
{
APIMessage.TranslateMessage(ref message);
APIMessage.DispatchMessage(ref message);
}
SplashScreen.current._hwnd = IntPtr.Zero;
if (SplashScreen.current._windowToActivate != null)
{
if (SplashScreen.current._handleToActivate != IntPtr.Zero)
{
SplashScreen.Current._windowToActivate = null;
APIWindow.SetForegroundWindow(APIWindow.GetLastActivePopup(SplashScreen.current._handleToActivate));
APIPainting.RedrawWindow(SplashScreen.current._handleToActivate, IntPtr.Zero, IntPtr.Zero, (uint)0x85);
SplashScreen.current._handleToActivate = IntPtr.Zero;
}
}
}
}
private bool RegisterWindowClass()
{
bool registerSuccess;
WNDCLASS wndClass;
SplashScreen.splashWindowProcedure = new WNDPROC(SplashWindowProcedure);
registerSuccess = false;
wndClass = new WNDCLASS();
wndClass.style = (int)((int)ClassStylesFlags.CS_VREDRAW | (int)ClassStylesFlags.CS_HREDRAW);
wndClass.hInstance = APIDynamicLinkLibrary.GetModuleHandle(null); //(IntPtr) 0;
wndClass.hIcon = (IntPtr)0;
wndClass.hCursor = (IntPtr)0;
wndClass.hbrBackground = ((IntPtr)SystemColorsIndex.COLOR_WINDOWFRAME);
wndClass.lpszMenuName = "";
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = 0;
wndClass.lpfnWndProc = SplashScreen.splashWindowProcedure;
wndClass.lpszClassName = WindowClassName;
if (this._showShadow && this.IsDropShadowSupported())
{
wndClass.style = (wndClass.style | (int)WindowClassStyles.CS_DROPSHADOW);
}
else
{
wndClass.style &= ~((int)WindowClassStyles.CS_DROPSHADOW);
}
if (APIWindow.RegisterClass(ref wndClass) != IntPtr.Zero)
{
registerSuccess = true;
}
return(registerSuccess);
}
private bool CreateNativeWindow()
{
bool isCreated = false;
uint windowStyle;
uint windowStyleEx;
Screen screen;
Rectangle rectangle;
windowStyle = (uint)WindowStyles.WS_POPUP | (uint)WindowStyles.WS_VISIBLE;
windowStyleEx = (uint)WindowStylesEx.WS_EX_TOPMOST | (uint)WindowStylesEx.WS_EX_TOOLWINDOW;
if (!this._transparencyKey.IsEmpty && this.IsLayeringSupported())
{
windowStyleEx = (windowStyleEx | (uint)WindowStylesEx.WS_EX_LAYERED); // 524288
}
screen = Screen.FromPoint(Control.MousePosition);
rectangle = screen.WorkingArea;
int posX = Math.Max(rectangle.X, (rectangle.X + ((rectangle.Width - this._width) / 2)));
int posY = Math.Max(rectangle.Y, (rectangle.Y + ((rectangle.Height - this._height) / 2)));
this._hwnd = APIWindow.CreateWindowEx(windowStyleEx, WindowClassName, "", (uint)windowStyle, posX, posY, this._width, this._height, IntPtr.Zero, IntPtr.Zero, APIDynamicLinkLibrary.GetModuleHandle(null), IntPtr.Zero);
if (this._hwnd != IntPtr.Zero)
{
APIWindow.ShowWindow(this._hwnd, 1);
APIWindow.UpdateWindow(this._hwnd);
isCreated = true;
}
else
{
System.Console.WriteLine("Cannot create window. {0}", APIError.FormatMessage(APIError.GetLastError()));
}
return(isCreated);
}
private int SplashWindowProcedure(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam)
{
PAINTSTRUCT paintStruct;
IntPtr timerPtr;
Graphics graphics;
if (msg <= (int)WindowMessages.WM_PAINT)
{
switch (msg)
{
case (int)WindowMessages.WM_CREATE:
{
if (!this._transparencyKey.IsEmpty && this.IsLayeringSupported())
{
APIWindow.SetLayeredWindowAttributes(hwnd, (ulong)ColorTranslator.ToWin32(this._transparencyKey), (byte)0, LayeredWindowAttributesFlags.LWA_COLORKEY);
}
if (this._minimumDuration <= 0)
{
return(APIWindow.DefWindowProc(hwnd, msg, wParam, lParam));
}
this._timer = APITimer.SetTimer(hwnd, 1, this._minimumDuration, (TIMERPROC)null);
return(APIWindow.DefWindowProc(hwnd, msg, wParam, lParam));
}
case (int)WindowMessages.WM_DESTROY:
{
APIMessage.PostQuitMessage(0);
return(APIWindow.DefWindowProc(hwnd, msg, wParam, lParam));
}
}
if (msg == (int)WindowMessages.WM_PAINT)
{
paintStruct = new PAINTSTRUCT();
timerPtr = APIPainting.BeginPaint(hwnd, ref paintStruct);
if (timerPtr != IntPtr.Zero)
{
graphics = Graphics.FromHdcInternal(timerPtr);
graphics.DrawImage(this._image, 0, 0, this._width, this._height);
OnScreenCustomize(graphics);
graphics.Dispose();
}
APIPainting.EndPaint(hwnd, ref paintStruct);
return(0);
}
return(APIWindow.DefWindowProc(hwnd, msg, wParam, lParam));
}
if (msg == (int)WindowMessages.WM_ERASEBKGND)
{
return(1);
}
if (msg == (int)WindowMessages.WM_TIMER)
{
APITimer.KillTimer(hwnd, this._timer);
this._timer = 0;
this._minimumDurationComplete = true;
if (this._waitingForTimer)
{
APIMessage.PostMessage(hwnd, (int)WindowMessages.WM_CLOSE, (uint)IntPtr.Zero, (uint)IntPtr.Zero);
}
return(0);
}
return(APIWindow.DefWindowProc(hwnd, msg, wParam, lParam));
}
