public static void SetPosition(int mouseEventPositionX, int mouseEventPositionY)
{
var point = new WinApi.POINT(mouseEventPositionX, mouseEventPositionY);
Thread.Sleep(Delay);
WinApi.SetCursorPos(point.X, point.Y);
}
private WinApi.User32.HitTestResult GetWindowEdgeType(WinApi.RECT rect, WinApi.POINT position)
{
//if (!rect.Contains(position))
// return BorderlessWindow.WindowEdgeType.Client;
// Normalize coordinates
position.X -= rect.X;
position.Y -= rect.Y;
rect.X = 0;
rect.Y = 0;
bool nearTopEdge = position.Y < TopBorder;
bool nearLeftEdge = position.X < LeftBorder;
bool nearRightEdge = position.X > rect.Width - RightBorder;
bool nearBottomEdge = position.Y > rect.Height - BottomBorder;
if (nearTopEdge)
{
if (nearLeftEdge)
{
return(WinApi.User32.HitTestResult.HTTOPLEFT);
}
if (nearRightEdge)
{
return(WinApi.User32.HitTestResult.HTTOPRIGHT);
}
return(WinApi.User32.HitTestResult.HTTOP);
}
if (nearBottomEdge)
{
if (nearLeftEdge)
{
return(WinApi.User32.HitTestResult.HTBOTTOMLEFT);
}
if (nearRightEdge)
{
return(WinApi.User32.HitTestResult.HTBOTTOMRIGHT);
}
return(WinApi.User32.HitTestResult.HTBOTTOM);
}
if (nearLeftEdge)
{
return(WinApi.User32.HitTestResult.HTLEFT);
}
if (nearRightEdge)
{
return(WinApi.User32.HitTestResult.HTRIGHT);
}
return(WinApi.User32.HitTestResult.HTCLIENT);
}
private void UpdatePos(WinApi.POINT currentPoint)
{
WinApi.POINT delta = new WinApi.POINT(_downMousePos.X - currentPoint.X, _downMousePos.Y - currentPoint.Y);
WinApi.RECT windowRect = _downWndRect;
windowRect.X = windowRect.X - delta.X;
windowRect.Y = windowRect.Y - delta.Y;
WinApi.User32.SetWindowPos(_ownerForm.Handle, IntPtr.Zero, windowRect.X, windowRect.Y, windowRect.Width, windowRect.Height, 0);
}
public bool PreProcessMessage(ref WindowMessage message)
{
if (message.MessageType == WinApi.MessageType.WM_NCHITTEST)
{
WinApi.POINT cursorPosition = WinApi.DecodeUtility.DecodePoint((int)message.LParam);
WinApi.User32.ScreenToClient(_window.Handle, ref cursorPosition);
WinApi.User32.HitTestResult windowEdgeType = GetWindowEdgeType(_window.ClientRect, cursorPosition);
message.Result = (IntPtr)windowEdgeType;
return(true);
}
return(false);
}
public bool PreProcessMessage(ref WindowMessage message)
{
//Debug.Log(message.MessageType);
switch (message.MessageType)
{
case WinApi.MessageType.WM_NCLBUTTONDOWN:
if (message.WParam != (IntPtr)WinApi.User32.HitTestResult.HTCAPTION)
{
return(false);
}
_isDragging = true;
WinApi.User32.SetCapture(_ownerForm.Handle);
WinApi.User32.GetWindowRect(_ownerForm.Handle, out _downWndRect);
_downMousePos = WinApi.DecodeUtility.DecodePoint((int)message.LParam);
message.Result = IntPtr.Zero;
return(true);
case WinApi.MessageType.WM_MOUSEMOVE:
if (!_isDragging)
{
return(false);
}
WinApi.POINT cursorPos = WinApi.DecodeUtility.DecodePoint((int)message.LParam);
WinApi.User32.ClientToScreen(_ownerForm.Handle, ref cursorPos);
UpdatePos(cursorPos);
message.Result = IntPtr.Zero;
return(true);
case WinApi.MessageType.WM_LBUTTONUP:
if (_isDragging)
{
_isDragging = false;
WinApi.User32.ReleaseCapture();
message.Result = IntPtr.Zero;
return(true);
}
break;
}
return(false);
}
private void SetBitmap(Bitmap bitmap, byte opacity)
{
if (bitmap.PixelFormat != PixelFormat.Format32bppArgb)
{
throw new ApplicationException("The bitmap must be 32ppp with alpha-channel.");
}
var screenDc = WinApi.GetDC(IntPtr.Zero);
var memDc = WinApi.CreateCompatibleDC(screenDc);
var hBitmap = IntPtr.Zero;
var oldBitmap = IntPtr.Zero;
try
{
hBitmap = bitmap.GetHbitmap(Color.FromArgb(0));
oldBitmap = WinApi.SelectObject(memDc, hBitmap);
var size = new WinApi.SIZE(bitmap.Width, bitmap.Height);
var pointSource = new WinApi.POINT(0, 0);
var topPos = new WinApi.POINT(Left, Top);
var blend = new WinApi.BLENDFUNCTION
{
BlendOp = WinApi.AC_SRC_OVER,
BlendFlags = 0,
SourceConstantAlpha = opacity,
AlphaFormat = WinApi.AC_SRC_ALPHA
};
WinApi.UpdateLayeredWindow(Handle, screenDc, ref topPos, ref size, memDc, ref pointSource, 0,
ref blend, WinApi.ULW_ALPHA);
}
finally
{
WinApi.ReleaseDC(IntPtr.Zero, screenDc);
if (hBitmap != IntPtr.Zero)
{
WinApi.SelectObject(memDc, oldBitmap);
WinApi.DeleteObject(hBitmap);
}
WinApi.DeleteDC(memDc);
}
}
private void Render()
{
var screenDc = WinApi.GetDC(WinApi.NullHandleRef);
if (screenDc == IntPtr.Zero)
{
return;
}
try {
var memDc = WinApi.CreateCompatibleDC(new HandleRef(null, screenDc));
if (memDc == IntPtr.Zero)
{
return;
}
try {
using (Bitmap bmp = GetWindowBitmap(Size.Width, Size.Height)) {
IntPtr hBitmap = bmp.GetHbitmap(_transparent);
IntPtr hOldBitmap = WinApi.SelectObject(memDc, hBitmap);
WinApi.POINT newLocation = new WinApi.POINT(Location);
WinApi.SIZE newSize = new WinApi.SIZE(Size);
WinApi.UpdateLayeredWindow(Handle, screenDc, ref newLocation, ref newSize, memDc, ref _ptZero, 0, ref _blend, WinApi.BlendingFlags.ULW_ALPHA);
if (hBitmap != IntPtr.Zero)
{
WinApi.SelectObject(memDc, hOldBitmap);
WinApi.DeleteObject(hBitmap);
}
}
} finally {
WinApi.DeleteDC(new HandleRef(null, memDc));
}
} finally {
WinApi.ReleaseDC(WinApi.NullHandleRef, new HandleRef(null, screenDc));
}
}
private static extern bool GetCursorPos(out WinApi.POINT lpPoint);
public static void SetPosition(WinApi.POINT point)
{
Thread.Sleep(Delay);
WinApi.SetCursorPos(point.X, point.Y);
}
