private bool OnNcHitTest(ref Message m, bool contentControl)
{
int x = NativeMethods.LOWORD(m.LParam);
int y = NativeMethods.HIWORD(m.LParam);
Point clientLocation = PointToClient(new Point(x, y));
GripBounds gripBouns = new GripBounds(contentControl ? content.ClientRectangle : ClientRectangle);
IntPtr transparent = new IntPtr(NativeMethods.HTTRANSPARENT);
if (resizableTop)
{
if (resizableRight && gripBouns.TopLeft.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTTOPLEFT;
return(true);
}
if (!resizableRight && gripBouns.TopRight.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTTOPRIGHT;
return(true);
}
if (gripBouns.Top.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTTOP;
return(true);
}
}
else
{
if (resizableRight && gripBouns.BottomLeft.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTBOTTOMLEFT;
return(true);
}
if (!resizableRight && gripBouns.BottomRight.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTBOTTOMRIGHT;
return(true);
}
if (gripBouns.Bottom.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTBOTTOM;
return(true);
}
}
if (resizableRight && gripBouns.Left.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTLEFT;
return(true);
}
if (!resizableRight && gripBouns.Right.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTRIGHT;
return(true);
}
return(false);
}
protected override void WndProc(ref Message m)
{
if (m.Msg == 8465)
{
if (NativeMethods.HIWORD(m.WParam) == 7)
{
if (DateTime.Now.Subtract(this.dropDown.LastClosedTimeStamp).TotalMilliseconds > 500.0)
{
this.ShowDropDown();
}
return;
}
}
base.WndProc(ref m);
}
private bool OnNcHitTest(ref Message m)
{
Point location = PointToClient(new Point(NativeMethods.LOWORD(m.LParam), NativeMethods.HIWORD(m.LParam)));
Rectangle gripRect = Rectangle.Empty;
if (_canResize && !_changeRegion)
{
if (_resizableLeft)
{
gripRect = _resizableTop ? new Rectangle(0, 0, 6, 6) : new Rectangle(0, Height - 6, 6, 6);
}
else
{
gripRect = _resizableTop ? new Rectangle(Width - 6, 0, 6, 6) : new Rectangle(Width - 6, Height - 6, 6, 6);
}
}
if (gripRect.Contains(location))
{
if (_resizableLeft)
{
if (_resizableTop)
{
m.Result = (IntPtr)HITTEST.HTTOPLEFT;
return(true);
}
else
{
m.Result = (IntPtr)HITTEST.HTBOTTOMLEFT;
return(true);
}
}
else
{
if (_resizableTop)
{
m.Result = (IntPtr)HITTEST.HTTOPRIGHT;
return(true);
}
else
{
m.Result = (IntPtr)HITTEST.HTBOTTOMRIGHT;
return(true);
}
}
}
else
{
Rectangle rectClient = ClientRectangle;
if (location.X > rectClient.Right - 3 && location.X <= rectClient.Right && !_resizableLeft)
{
m.Result = (IntPtr)HITTEST.HTRIGHT;
return(true);
}
else if (location.Y > rectClient.Bottom - 3 && location.Y <= rectClient.Bottom && !_resizableTop)
{
m.Result = (IntPtr)HITTEST.HTBOTTOM;
return(true);
}
else if (location.X > -1 && location.X < 3 && _resizableLeft)
{
m.Result = (IntPtr)HITTEST.HTLEFT;
return(true);
}
else if (location.Y > -1 && location.Y < 3 && _resizableTop)
{
m.Result = (IntPtr)HITTEST.HTTOP;
return(true);
}
}
return(false);
}
private bool OnNcHitTest(ref Message m, bool contentControl)
{
int x = NativeMethods.LOWORD(m.LParam);
int y = NativeMethods.HIWORD(m.LParam);
Point pt = base.PointToClient(new Point(x, y));
GripBounds gripBounds = new GripBounds(contentControl ? this.content.ClientRectangle : base.ClientRectangle);
IntPtr intPtr = new IntPtr(-1);
bool result;
if (this.resizableTop)
{
if (this.resizableRight && gripBounds.TopLeft.Contains(pt))
{
m.Result = (contentControl ? intPtr : ((IntPtr)13));
result = true;
return(result);
}
if (!this.resizableRight && gripBounds.TopRight.Contains(pt))
{
m.Result = (contentControl ? intPtr : ((IntPtr)14));
result = true;
return(result);
}
if (gripBounds.Top.Contains(pt))
{
m.Result = (contentControl ? intPtr : ((IntPtr)12));
result = true;
return(result);
}
}
else
{
if (this.resizableRight && gripBounds.BottomLeft.Contains(pt))
{
m.Result = (contentControl ? intPtr : ((IntPtr)16));
result = true;
return(result);
}
if (!this.resizableRight && gripBounds.BottomRight.Contains(pt))
{
m.Result = (contentControl ? intPtr : ((IntPtr)17));
result = true;
return(result);
}
if (gripBounds.Bottom.Contains(pt))
{
m.Result = (contentControl ? intPtr : ((IntPtr)15));
result = true;
return(result);
}
}
if (this.resizableRight && gripBounds.Left.Contains(pt))
{
m.Result = (contentControl ? intPtr : ((IntPtr)10));
result = true;
}
else
{
if (!this.resizableRight && gripBounds.Right.Contains(pt))
{
m.Result = (contentControl ? intPtr : ((IntPtr)11));
result = true;
}
else
{
result = false;
}
}
return(result);
}
internal static int HIWORD(IntPtr n)
{
return NativeMethods.HIWORD((int)((long)n));
}
