public HoverUI()
{
this.Shapes = new List <Shape>();
Form.CheckForIllegalCrossThreadCalls = false;
this.FormBorderStyle = FormBorderStyle.None;
this.Size = Screen.PrimaryScreen.WorkingArea.Size;
this.StartPosition = FormStartPosition.Manual;
this.Location = new Point(0, 0);
this.TopMost = true;
this.AllowTransparency = true;
this.BackColor = Color.FromArgb(196, 255, 226);
this.TransparencyKey = Color.FromArgb(196, 255, 226);
this.ShowIcon = false;
this.ShowInTaskbar = false;
this.OriginalWindowStyle = (IntPtr)((long)Interoperator.GetWindowLong(this.Handle, -20));
this.PassthruWindowStyle = (IntPtr)((long)(uint)((int)Interoperator.GetWindowLong(this.Handle, -20) | 524288 | 32));
this.SetWindowPassthru(true);
this.canvas = new BufferedPanel();
this.canvas.Dock = DockStyle.Fill;
this.canvas.BackColor = Color.Transparent;
this.canvas.BringToFront();
this.canvas.Paint += CanvasRender;
this.Controls.Add(this.canvas);
}
public Color GetColorAtPixel(Point location)
{
using (Graphics gdest = Graphics.FromImage(screenPixel))
{
using (Graphics gsrc = Graphics.FromHwnd(IntPtr.Zero))
{
IntPtr hSrcDC = gsrc.GetHdc();
IntPtr hDC = gdest.GetHdc();
int retval = Interoperator.BitBlt(hDC, 0, 0, 1, 1, hSrcDC, location.X, location.Y, (int)CopyPixelOperation.SourceCopy);
gdest.ReleaseHdc();
gsrc.ReleaseHdc();
}
}
return(screenPixel.GetPixel(0, 0));
}
public bool GetBackgroundKeyDown(Keys key)
{
return(Interoperator.GetAsyncKeyState(key) != 0);
}
private bool IsApplicationIdle()
{
Interoperator.NativeMessage message;
return(Interoperator.PeekMessage(out message, IntPtr.Zero, 0U, 0U, 0U) == 0);
}
private void SetWindowPassthru(bool passthrough) => Interoperator.SetWindowLong(this.Handle, -20, passthrough ? PassthruWindowStyle : OriginalWindowStyle);