public override bool CanClosePopup(RadPopupCloseReason reason)
{
RadRibbonBar ribbonBar = this.RibbonBarElement.ElementTree.Control as RadRibbonBar;
Point pointInRibbon = ribbonBar.PointToClient(System.Windows.Forms.Cursor.Position);
if (this.RibbonBarElement.TabStripElement.ItemContainer.ControlBoundingRectangle.Contains(pointInRibbon))
{
return(false);
}
NativeMethods.POINTSTRUCT point = new NativeMethods.POINTSTRUCT();
point.x = Cursor.Position.X;
point.y = Cursor.Position.Y;
IntPtr handle = NativeMethods._WindowFromPoint(point);
Control controlUnderMouse = Control.FromHandle(handle);
if (controlUnderMouse is ZoomPopup)
{
return(false);
}
if (controlUnderMouse is RadDropDownMenu)
{
return(false);
}
return(base.CanClosePopup(reason));
}
protected virtual void UpdateLayeredWindow(byte alpha)
{
var bitmap = (Bitmap)BackgroundImage;
IntPtr hdcScreen = NativeMethods.GetDC(new HandleRef(this, IntPtr.Zero));
IntPtr hdcMemory = NativeMethods.CreateCompatibleDC(new HandleRef(this, hdcScreen));
IntPtr hBitmap = bitmap.GetHbitmap(Color.FromArgb(0));
IntPtr hOldBitmap = NativeMethods.SelectObject(new HandleRef(this, hdcMemory), new HandleRef(this, hBitmap));
var size = new NativeMethods.SIZESTRUCT(bitmap.Width, bitmap.Height);
var pointSource = new NativeMethods.POINTSTRUCT(0, 0);
var topPos = new NativeMethods.POINTSTRUCT(Left, Top);
var blend = new NativeMethods.BLENDFUNCTION();
blend.BlendOp = 0;
blend.BlendFlags = 0;
blend.SourceConstantAlpha = alpha;
blend.AlphaFormat = 1;
NativeMethods.UpdateLayeredWindow(handle, hdcScreen, ref topPos, ref size, hdcMemory, ref pointSource, 0,
ref blend, 0x00000002);
NativeMethods.ReleaseDC(new HandleRef(this, IntPtr.Zero), new HandleRef(this, hdcScreen));
if (hBitmap != IntPtr.Zero)
{
NativeMethods.SelectObject(new HandleRef(this, hdcMemory), new HandleRef(this, hOldBitmap));
NativeMethods.DeleteObject(new HandleRef(this, hBitmap));
}
NativeMethods.DeleteDC(new HandleRef(this, hdcMemory));
}
/// <summary>
/// Retrieves a <see cref='Screen'/> for the monitor that contains the specified point.
/// </summary>
public static Screen FromPoint(Point point)
{
if (_multiMonitorSupport)
{
NativeMethods.POINTSTRUCT pt = new NativeMethods.POINTSTRUCT((int)point.X, (int)point.Y);
return(new Screen(NativeMethods.MonitorFromPoint(pt, MONITOR_DEFAULTTONEAREST)));
}
return(new Screen((IntPtr)PRIMARY_MONITOR));
}
public void SetBits()
{
Bitmap image = new Bitmap(this.m_HostForm.Width + (m_Config.ShadowWidth * 2), this.m_HostForm.Height + (m_Config.ShadowWidth * 2));
Graphics g = Graphics.FromImage(image);
g.SmoothingMode = SmoothingMode.HighQuality;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
this.DrawShadow(g);
if (Image.IsCanonicalPixelFormat(image.PixelFormat) && Image.IsAlphaPixelFormat(image.PixelFormat))
{
IntPtr zero = IntPtr.Zero;
//diff
//IntPtr dC = NativeMethods.GetDC(new HandleRef(null, IntPtr.Zero));
IntPtr dC = NativeMethods.GetDC(IntPtr.Zero);
IntPtr hgdiobj = IntPtr.Zero;
//diff
//IntPtr hdc = NativeMethods.CreateCompatibleDC(new HandleRef(null, dC));
IntPtr hdc = NativeMethods.CreateCompatibleDC(dC);
try
{
NativeMethods.POINTSTRUCT pptDst = new NativeMethods.POINTSTRUCT(base.Left, base.Top);
NativeMethods.SIZESTRUCT psize = new NativeMethods.SIZESTRUCT(base.Width, base.Height);
NativeMethods.BLENDFUNCTION pblend = new NativeMethods.BLENDFUNCTION();
NativeMethods.POINTSTRUCT pprSrc = new NativeMethods.POINTSTRUCT(0, 0);
hgdiobj = image.GetHbitmap(Color.FromArgb(0));
zero = NativeMethods.SelectObject(hdc, hgdiobj);
pblend.BlendOp = 0;
pblend.SourceConstantAlpha = byte.Parse("255");
pblend.AlphaFormat = 1;
pblend.BlendFlags = 0;
NativeMethods.UpdateLayeredWindow(base.Handle, dC, ref pptDst, ref psize, hdc, ref pprSrc, 0, ref pblend, 2);
return;
}
finally
{
if (hgdiobj != IntPtr.Zero)
{
NativeMethods.SelectObject(hdc, zero);
NativeMethods.DeleteObject(hgdiobj);
}
NativeMethods.ReleaseDC(IntPtr.Zero, dC);
NativeMethods.DeleteDC(hdc);
}
}
throw new ApplicationException("图片必须是32位带Alhpa通道的图片。");
}
public HitTestCode HitTestBackground(IDeviceContext dc, Rectangle backgroundRectangle, Point pt, HitTestOptions options)
{
if (dc == null)
{
throw new ArgumentNullException(nameof(dc));
}
int htCode = 0;
NativeMethods.POINTSTRUCT point = new NativeMethods.POINTSTRUCT(pt.X, pt.Y);
using (WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper(dc, AllGraphicsProperties)) {
HandleRef hdc = new HandleRef(wgr, wgr.WindowsGraphics.DeviceContext.Hdc);
lastHResult = SafeNativeMethods.HitTestThemeBackground(new HandleRef(this, Handle), hdc, part, state, (int)options, new NativeMethods.COMRECT(backgroundRectangle), NativeMethods.NullHandleRef, point, ref htCode);
}
return((HitTestCode)htCode);
}
public static extern int HitTestThemeBackground(HandleRef hTheme, HandleRef hdc, int iPartId, int iStateId, int dwOptions, [In] NativeMethods.COMRECT pRect, HandleRef hrgn, [In] NativeMethods.POINTSTRUCT ptTest, ref int pwHitTestCode);
public static extern IntPtr MonitorFromPoint(NativeMethods.POINTSTRUCT pt, int flags);
IntPtr GetCurrentMonitorFromMousePosition()
{
SecurityHelper.DemandUnmanagedCode();
// center on the screen on which the mouse is on
NativeMethods.POINT pt = new NativeMethods.POINT();
UnsafeNativeMethods.TryGetCursorPos(pt);
NativeMethods.POINTSTRUCT ptStruct = new NativeMethods.POINTSTRUCT(pt.x, pt.y);
return SafeNativeMethods.MonitorFromPoint(ptStruct, NativeMethods.MONITOR_DEFAULTTONEAREST);
}
public static IntPtr MonitorFromPoint(NativeMethods.POINTSTRUCT pt, int flags)
{
return(SafeNativeMethodsPrivate.MonitorFromPoint(pt, flags));
}
public void SetBits()
{
Bitmap image = new Bitmap(this.m_HostForm.Width + (m_Config.ShadowWidth * 2), this.m_HostForm.Height + (m_Config.ShadowWidth * 2));
Graphics g = Graphics.FromImage(image);
g.SmoothingMode = SmoothingMode.HighQuality;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
this.DrawShadow(g);
if (Image.IsCanonicalPixelFormat(image.PixelFormat) && Image.IsAlphaPixelFormat(image.PixelFormat))
{
IntPtr zero = IntPtr.Zero;
//diff
//IntPtr dC = NativeMethods.GetDC(new HandleRef(null, IntPtr.Zero));
IntPtr dC = NativeMethods.GetDC(IntPtr.Zero);
IntPtr hgdiobj = IntPtr.Zero;
//diff
//IntPtr hdc = NativeMethods.CreateCompatibleDC(new HandleRef(null, dC));
IntPtr hdc = NativeMethods.CreateCompatibleDC(dC);
try
{
NativeMethods.POINTSTRUCT pptDst = new NativeMethods.POINTSTRUCT(base.Left, base.Top);
NativeMethods.SIZESTRUCT psize = new NativeMethods.SIZESTRUCT(base.Width, base.Height);
NativeMethods.BLENDFUNCTION pblend = new NativeMethods.BLENDFUNCTION();
NativeMethods.POINTSTRUCT pprSrc = new NativeMethods.POINTSTRUCT(0, 0);
hgdiobj = image.GetHbitmap(Color.FromArgb(0));
zero = NativeMethods.SelectObject(hdc, hgdiobj);
pblend.BlendOp = 0;
pblend.SourceConstantAlpha = byte.Parse("255");
pblend.AlphaFormat = 1;
pblend.BlendFlags = 0;
NativeMethods.UpdateLayeredWindow(base.Handle, dC, ref pptDst, ref psize, hdc, ref pprSrc, 0, ref pblend, 2);
return;
}
finally
{
if (hgdiobj != IntPtr.Zero)
{
NativeMethods.SelectObject(hdc, zero);
NativeMethods.DeleteObject(hgdiobj);
}
NativeMethods.ReleaseDC(IntPtr.Zero, dC);
NativeMethods.DeleteDC(hdc);
}
}
throw new ApplicationException("图片必须是32位带Alhpa通道的图片。");
}
/// <summary>
/// Retrieves a Screen for the display that contains the specified point.
/// </summary>
/// <param name="point">A <see cref="T:System.Windows.Point" /> that specifies the location for which to retrieve a Screen.</param>
/// <returns>A Screen for the display that contains the point. In multiple display environments where no display contains the point, the display closest to the specified point is returned.</returns>
public static Screen FromPoint(Point point)
{
if (multiMonitorSupport)
{
var pt = new NativeMethods.POINTSTRUCT((int)point.X, (int)point.Y);
return new Screen(NativeMethods.MonitorFromPoint(pt, MONITOR_DEFAULTTONEAREST));
}
return new Screen((IntPtr)PRIMARY_MONITOR);
}
