unsafe HRESULT IOleInPlaceSite.OnPosRectChange(RECT *lprcPosRect)
{
if (lprcPosRect is null)
{
return(HRESULT.E_INVALIDARG);
}
// The MediaPlayer control has a AllowChangeDisplaySize property that users
// can set to control size changes at runtime, but the control itself ignores that and sets the new size.
// We prevent this by not allowing controls to call OnPosRectChange(), unless we instantiated the resize.
// visual basic6 does the same.
//
bool useRect = true;
if (AxHost.windowsMediaPlayer_Clsid.Equals(host.clsid))
{
useRect = host.GetAxState(AxHost.handlePosRectChanged);
}
if (useRect)
{
Debug.WriteLineIf(AxHTraceSwitch.TraceVerbose, "in OnPosRectChange" + lprcPosRect->ToString());
RECT clipRect = WebBrowserHelper.GetClipRect();
host.GetInPlaceObject().SetObjectRects(lprcPosRect, &clipRect);
host.MakeDirty();
}
else
{
Debug.WriteLineIf(AxHTraceSwitch.TraceVerbose, "Control directly called OnPosRectChange... ignoring the new size");
}
return(HRESULT.S_OK);
}
unsafe HRESULT IOleInPlaceSite.GetWindowContext(
out IOleInPlaceFrame ppFrame,
out IOleInPlaceUIWindow ppDoc,
RECT *lprcPosRect,
RECT *lprcClipRect,
OLEINPLACEFRAMEINFO *lpFrameInfo)
{
ppDoc = null;
ppFrame = host.GetParentContainer();
if (lprcPosRect is null || lprcClipRect is null)
{
return(HRESULT.E_POINTER);
}
*lprcPosRect = host.Bounds;
*lprcClipRect = WebBrowserHelper.GetClipRect();
if (lpFrameInfo != null)
{
lpFrameInfo->cb = (uint)Marshal.SizeOf <OLEINPLACEFRAMEINFO>();
lpFrameInfo->fMDIApp = BOOL.FALSE;
lpFrameInfo->hAccel = IntPtr.Zero;
lpFrameInfo->cAccelEntries = 0;
lpFrameInfo->hwndFrame = host.ParentInternal.Handle;
}
return(HRESULT.S_OK);
}
unsafe HRESULT UnsafeNativeMethods.IOleInPlaceSite.GetWindowContext(
out UnsafeNativeMethods.IOleInPlaceFrame ppFrame,
out UnsafeNativeMethods.IOleInPlaceUIWindow ppDoc,
RECT *lprcPosRect,
RECT *lprcClipRect,
NativeMethods.tagOIFI lpFrameInfo)
{
ppDoc = null;
ppFrame = Host.GetParentContainer();
if (lprcPosRect == null || lprcClipRect == null)
{
return(HRESULT.E_POINTER);
}
*lprcPosRect = Host.Bounds;
*lprcClipRect = WebBrowserHelper.GetClipRect();
if (lpFrameInfo != null)
{
lpFrameInfo.cb = Marshal.SizeOf <NativeMethods.tagOIFI>();
lpFrameInfo.fMDIApp = false;
lpFrameInfo.hAccel = IntPtr.Zero;
lpFrameInfo.cAccelEntries = 0;
lpFrameInfo.hwndFrame = (Host.ParentInternal == null) ? IntPtr.Zero : Host.ParentInternal.Handle;
}
return(HRESULT.S_OK);
}
private int OnActiveXRectChange(NativeMethods.COMRECT lprcPosRect)
{
this.Host.AXInPlaceObject.SetObjectRects(
NativeMethods.COMRECT.FromXYWH(0, 0, lprcPosRect.right - lprcPosRect.left, lprcPosRect.bottom - lprcPosRect.top),
WebBrowserHelper.GetClipRect());
this.Host.MakeDirty();
return(NativeMethods.S_OK);
}
private unsafe HRESULT OnActiveXRectChange(RECT *lprcPosRect)
{
if (lprcPosRect == null)
{
return(HRESULT.E_INVALIDARG);
}
var posRect = new RECT(0, 0, lprcPosRect->right - lprcPosRect->left, lprcPosRect->bottom - lprcPosRect->top);
var clipRect = WebBrowserHelper.GetClipRect();
Host.AXInPlaceObject.SetObjectRects(&posRect, &clipRect);
Host.MakeDirty();
return(HRESULT.S_OK);
}
int UnsafeNativeMethods.IOleInPlaceSite.GetWindowContext(out UnsafeNativeMethods.IOleInPlaceFrame ppFrame, out UnsafeNativeMethods.IOleInPlaceUIWindow ppDoc, System.Windows.Forms.NativeMethods.COMRECT lprcPosRect, System.Windows.Forms.NativeMethods.COMRECT lprcClipRect, System.Windows.Forms.NativeMethods.tagOIFI lpFrameInfo)
{
ppDoc = null;
ppFrame = this.Host.GetParentContainer();
lprcPosRect.left = this.Host.Bounds.X;
lprcPosRect.top = this.Host.Bounds.Y;
lprcPosRect.right = this.Host.Bounds.Width + this.Host.Bounds.X;
lprcPosRect.bottom = this.Host.Bounds.Height + this.Host.Bounds.Y;
lprcClipRect = WebBrowserHelper.GetClipRect();
if (lpFrameInfo != null)
{
lpFrameInfo.cb = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.tagOIFI));
lpFrameInfo.fMDIApp = false;
lpFrameInfo.hAccel = IntPtr.Zero;
lpFrameInfo.cAccelEntries = 0;
lpFrameInfo.hwndFrame = (this.Host.ParentInternal == null) ? IntPtr.Zero : this.Host.ParentInternal.Handle;
}
return(0);
}