public void Invalidate(Rectangle rectangle)
{
GISShare.Win32.RECT rect = new GISShare.Win32.RECT();
rect.Left = rectangle.Left;
rect.Right = rectangle.Right;
rect.Top = rectangle.Top;
rect.Bottom = rectangle.Bottom;
GISShare.Win32.API.InvalidateRect(this.Handle, rect, true);
}
public void Refresh()
{
GISShare.Win32.RECT rect = new GISShare.Win32.RECT();
GISShare.Win32.API.GetWindowRect(this.Handle, ref rect);
GISShare.Win32.API.InvalidateRect(this.Handle, rect, true);
}
protected virtual bool WndNCPaint(IntPtr iHWnd)
{
try
{
Size size = this.FrameBorderSize;
//
GISShare.Win32.RECT rectScreen = new GISShare.Win32.RECT();
GISShare.Win32.API.GetWindowRect(iHWnd, ref rectScreen);
//
Rectangle rectBounds = Rectangle.FromLTRB(rectScreen.Left, rectScreen.Top, rectScreen.Right, rectScreen.Bottom);
rectBounds.Offset(-rectBounds.X, -rectBounds.Y);
//
Rectangle rectClip = rectBounds;
Region region = new Region(rectClip);
rectClip.Inflate(-size.Width, -size.Height);
//
IntPtr iHandle = GISShare.Win32.API.GetDCEx
(
iHWnd,
(IntPtr)0,
(GISShare.Win32.DCXFlags.DCX_CACHE | GISShare.Win32.DCXFlags.DCX_CLIPSIBLINGS | GISShare.Win32.DCXFlags.DCX_WINDOW)
);
Graphics g = Graphics.FromHdc(iHandle);
//
region.Exclude(rectClip);
IntPtr hrgn = region.GetHrgn(g);
GISShare.Win32.API.SelectClipRgn(iHandle, hrgn);
//
if (this.m_BufferedGraphics == null || this.m_CurrentCacheSize != rectBounds.Size)
{
if (this.m_BufferedGraphics != null)
{
this.m_BufferedGraphics.Dispose();
}
//
m_BufferedGraphics = this.m_BufferedGraphicsContext.Allocate
(
g,
new Rectangle(0, 0, rectBounds.Width, rectBounds.Height)
);
this.m_CurrentCacheSize = rectBounds.Size;
}
//
//
//
this.OnNCPaint(new PaintEventArgs(m_BufferedGraphics.Graphics, this.FrameRectangle));
//
//
//
if (this.m_BufferedGraphics != null)
{
m_BufferedGraphics.Render(g);
}
//
if (iHandle != (IntPtr)0)
{
GISShare.Win32.API.SelectClipRgn(iHandle, (IntPtr)0);
GISShare.Win32.API.ReleaseDC(iHWnd, iHandle);
}
if (region != null && hrgn != (IntPtr)0)
{
region.ReleaseHrgn(hrgn);
}
if (region != null)
{
region.Dispose();
}
if (g != null)
{
g.Dispose();
}
//
#region old
//IntPtr iHandle = GISShare.Win32.API.GetWindowDC(iHWnd);
//Graphics g = Graphics.FromHdc(iHandle);
////
//GISShare.Controls.WinForm.WFNew.WFNewRenderer.WFNewRendererStrategy.OnRenderRibbonFormNC(
// new GISShare.Controls.WinForm.ObjectRenderEventArgs(g, this, this.FrameRectangle));
////
//g.Dispose();
//GISShare.Win32.API.ReleaseDC(iHWnd, iHandle);
#endregion
}
catch { return(false); }
//
return(true);
}
