internal void TransitionDownTo(ActiveXHelper.ActiveXState state)
{
if (!this.GetAxHostState(ActiveXHelper.inTransition))
{
this.SetAxHostState(ActiveXHelper.inTransition, true);
try
{
ActiveXHelper.ActiveXState oldState;
while (state < this.ActiveXState)
{
oldState = this.ActiveXState;
switch (this.ActiveXState)
{
case ActiveXHelper.ActiveXState.Open:
Debug.Fail("how did we ever get into the open state?");
this.ActiveXState = ActiveXHelper.ActiveXState.UIActive;
break;
case ActiveXHelper.ActiveXState.UIActive:
TransitionFromUIActiveToInPlaceActive();
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.InPlaceActive, "Failed transition");
this.ActiveXState = ActiveXHelper.ActiveXState.InPlaceActive;
break;
case ActiveXHelper.ActiveXState.InPlaceActive:
TransitionFromInPlaceActiveToRunning();
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.Running, "Failed transition");
this.ActiveXState = ActiveXHelper.ActiveXState.Running;
break;
case ActiveXHelper.ActiveXState.Running:
TransitionFromRunningToLoaded();
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.Loaded, "Failed transition");
this.ActiveXState = ActiveXHelper.ActiveXState.Loaded;
break;
case ActiveXHelper.ActiveXState.Loaded:
TransitionFromLoadedToPassive();
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.Passive, "Failed transition");
this.ActiveXState = ActiveXHelper.ActiveXState.Passive;
break;
default:
Debug.Fail("bad state");
this.ActiveXState = this.ActiveXState - 1; // To exit the loop
break;
}
OnActiveXStateChange((int)oldState, (int)this.ActiveXState);
}
}
finally
{
this.SetAxHostState(ActiveXHelper.inTransition, false);
}
}
}
private void TransitionFromLoadedToPassive()
{
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.Loaded, "Wrong start state to transition from");
if (this.ActiveXState == ActiveXHelper.ActiveXState.Loaded)
{
//
// Need to make sure that we don't handle any PropertyChanged
// notifications at this point.
//this.NoComponentChangeEvents++;
try
{
//
// Release the _axInstance
if (_axInstance != null)
{
//
// Lets first get the cached interface pointers of _axInstance released.
this.DetachInterfacesInternal();
Marshal.FinalReleaseComObject(_axInstance);
_axInstance = null;
}
}
finally
{
//Consider: this.NoComponentChangeEvents--;
}
//
// We are now Passive!
this.ActiveXState = ActiveXHelper.ActiveXState.Passive;
}
}
private void TransitionFromRunningToInPlaceActive()
{
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.Running, "Wrong start state to transition from");
if (this.ActiveXState == ActiveXHelper.ActiveXState.Running)
{
try
{
DoVerb(NativeMethods.OLEIVERB_INPLACEACTIVATE);
}
catch (Exception e)
{
if (CriticalExceptions.IsCriticalException(e))
{
throw;
}
else
{
throw new TargetInvocationException(SR.Get(SRID.AXNohWnd, GetType().Name), e);
}
}
//
// We are now InPlaceActive!
this.ActiveXState = ActiveXHelper.ActiveXState.InPlaceActive;
}
}
private void TransitionFromInPlaceActiveToRunning()
{
if (this.ActiveXState == ActiveXHelper.ActiveXState.InPlaceActive)
{
this._axOleInPlaceObject.InPlaceDeactivate();
this.ActiveXState = ActiveXHelper.ActiveXState.Running;
}
}
private void TransitionFromInPlaceActiveToUIActive()
{
if (this.ActiveXState == ActiveXHelper.ActiveXState.InPlaceActive)
{
this.DoVerb(-4);
this.ActiveXState = ActiveXHelper.ActiveXState.UIActive;
}
}
private void TransitionFromUIActiveToInPlaceActive()
{
if (this.ActiveXState == ActiveXHelper.ActiveXState.UIActive)
{
int num = this._axOleInPlaceObject.UIDeactivate();
this.ActiveXState = ActiveXHelper.ActiveXState.InPlaceActive;
}
}
private void TransitionFromPassiveToLoaded()
{
if (this.ActiveXState == ActiveXHelper.ActiveXState.Passive)
{
this._axInstance = this.CreateActiveXObject(this._clsid.Value);
this.ActiveXState = ActiveXHelper.ActiveXState.Loaded;
this.AttachInterfacesInternal();
}
}
private void TransitionFromRunningToLoaded()
{
if (this.ActiveXState == ActiveXHelper.ActiveXState.Running)
{
this.StopEvents();
this._axOleObject.SetClientSite(null);
this.ActiveXState = ActiveXHelper.ActiveXState.Loaded;
}
}
private void TransitionFromInPlaceActiveToUIActive()
{
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.InPlaceActive, "Wrong start state to transition from");
if (this.ActiveXState == ActiveXHelper.ActiveXState.InPlaceActive)
{
DoVerb(NativeMethods.OLEIVERB_UIACTIVATE);
//
// We are now UIActive!
this.ActiveXState = ActiveXHelper.ActiveXState.UIActive;
}
}
// Token: 0x0600617D RID: 24957 RVA: 0x001B5940 File Offset: 0x001B3B40
internal void TransitionUpTo(ActiveXHelper.ActiveXState state)
{
if (!this.GetAxHostState(ActiveXHelper.inTransition))
{
this.SetAxHostState(ActiveXHelper.inTransition, true);
try
{
while (state > this.ActiveXState)
{
ActiveXHelper.ActiveXState activeXState = this.ActiveXState;
switch (this.ActiveXState)
{
case ActiveXHelper.ActiveXState.Passive:
this.TransitionFromPassiveToLoaded();
this.ActiveXState = ActiveXHelper.ActiveXState.Loaded;
break;
case ActiveXHelper.ActiveXState.Loaded:
this.TransitionFromLoadedToRunning();
this.ActiveXState = ActiveXHelper.ActiveXState.Running;
break;
case ActiveXHelper.ActiveXState.Running:
this.TransitionFromRunningToInPlaceActive();
this.ActiveXState = ActiveXHelper.ActiveXState.InPlaceActive;
break;
case (ActiveXHelper.ActiveXState) 3:
goto IL_87;
case ActiveXHelper.ActiveXState.InPlaceActive:
this.TransitionFromInPlaceActiveToUIActive();
this.ActiveXState = ActiveXHelper.ActiveXState.UIActive;
break;
default:
goto IL_87;
}
IL_95:
this.OnActiveXStateChange((int)activeXState, (int)this.ActiveXState);
continue;
IL_87:
this.ActiveXState++;
goto IL_95;
}
}
finally
{
this.SetAxHostState(ActiveXHelper.inTransition, false);
}
}
}
private void TransitionFromLoadedToPassive()
{
if (this.ActiveXState == ActiveXHelper.ActiveXState.Loaded)
{
if (this._axInstance != null)
{
this.DetachInterfacesInternal();
Marshal.FinalReleaseComObject(this._axInstance);
this._axInstance = null;
}
this.ActiveXState = ActiveXHelper.ActiveXState.Passive;
}
}
private void TransitionFromUIActiveToInPlaceActive()
{
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.UIActive, "Wrong start state to transition from");
if (this.ActiveXState == ActiveXHelper.ActiveXState.UIActive)
{
int hr = _axOleInPlaceObject.UIDeactivate();
Debug.Assert(NativeMethods.Succeeded(hr), "Failed in IOleInPlaceObject.UiDeactivate");
//
// We are now InPlaceActive!
this.ActiveXState = ActiveXHelper.ActiveXState.InPlaceActive;
}
}
private void TransitionFromLoadedToRunning()
{
if (this.ActiveXState == ActiveXHelper.ActiveXState.Loaded)
{
int num = 0;
int miscStatus = this._axOleObject.GetMiscStatus(1, out num);
if (NativeMethods.Succeeded(miscStatus) && (num & 131072) != 0)
{
this._axOleObject.SetClientSite(this.ActiveXSite);
}
this.StartEvents();
this.ActiveXState = ActiveXHelper.ActiveXState.Running;
}
}
private void TransitionFromInPlaceActiveToRunning()
{
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.InPlaceActive, "Wrong start state to transition from");
if (this.ActiveXState == ActiveXHelper.ActiveXState.InPlaceActive)
{
//
// InPlaceDeactivate.
_axOleInPlaceObject.InPlaceDeactivate();
//
// We are now Running!
this.ActiveXState = ActiveXHelper.ActiveXState.Running;
}
}
private void TransitionFromRunningToLoaded()
{
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.Running, "Wrong start state to transition from");
if (this.ActiveXState == ActiveXHelper.ActiveXState.Running)
{
StopEvents();
//
// Inform the ActiveX control that it's been un-sited.
_axOleObject.SetClientSite(null);
//
// We are now Loaded!
this.ActiveXState = ActiveXHelper.ActiveXState.Loaded;
}
}
protected override void OnHandleCreated(EventArgs e)
{
if (Application.OleRequired() != ApartmentState.STA)
{
throw new ThreadStateException(ResourcesHelper.GetString(ResourcesHelper.ThreadMustBeSTA));
}
base.OnHandleCreated(e);
if ((this.activeXReloadingState != ActiveXHelper.ActiveXState.Passive) && (this.activeXReloadingState != this.activeXState))
{
if (this.activeXState < this.activeXReloadingState)
{
this.ChangeActiveXStateUpTo(this.activeXReloadingState);
}
else
{
this.ChangeActiveXStateDownTo(this.activeXReloadingState);
}
this.activeXReloadingState = ActiveXHelper.ActiveXState.Passive;
}
}
private void TransitionFromRunningToInPlaceActive()
{
if (this.ActiveXState == ActiveXHelper.ActiveXState.Running)
{
try
{
this.DoVerb(-5);
}
catch (Exception ex)
{
if (CriticalExceptions.IsCriticalException(ex))
{
throw;
}
throw new TargetInvocationException(SR.Get("AXNohWnd", new object[]
{
base.GetType().Name
}), ex);
}
this.ActiveXState = ActiveXHelper.ActiveXState.InPlaceActive;
}
}
private void TransitionFromPassiveToLoaded()
{
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.Passive, "Wrong start state to transition from");
if (this.ActiveXState == ActiveXHelper.ActiveXState.Passive)
{
//
// First, create the ActiveX control
Debug.Assert(_axInstance == null, "_axInstance must be null");
_axInstance = CreateActiveXObject(_clsid.Value);
Debug.Assert(_axInstance != null, "w/o an exception being thrown we must have an object...");
//
// We are now Loaded!
this.ActiveXState = ActiveXHelper.ActiveXState.Loaded;
//
// Lets give them a chance to cast the ActiveX object
// to the appropriate interfaces.
this.AttachInterfacesInternal();
}
}
private void TransitionFromLoadedToRunning()
{
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.Loaded, "Wrong start state to transition from");
if (this.ActiveXState == ActiveXHelper.ActiveXState.Loaded)
{
//
// See if the ActiveX control returns OLEMISC_SETCLIENTSITEFIRST
int bits = 0;
int hr = _axOleObject.GetMiscStatus(NativeMethods.DVASPECT_CONTENT, out bits);
if (NativeMethods.Succeeded(hr) && ((bits & NativeMethods.OLEMISC_SETCLIENTSITEFIRST) != 0))
{
//
// Simply setting the site to the ActiveX control should activate it.
// And this will take us to the Running state.
_axOleObject.SetClientSite(this.ActiveXSite);
}
StartEvents();
//
// We are now Running!
this.ActiveXState = ActiveXHelper.ActiveXState.Running;
}
}
private void TransitionFromLoadedToRunning()
{
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.Loaded, "Wrong start state to transition from");
if (this.ActiveXState == ActiveXHelper.ActiveXState.Loaded)
{
//
// See if the ActiveX control returns OLEMISC_SETCLIENTSITEFIRST
int bits = 0;
int hr = _axOleObject.GetMiscStatus(NativeMethods.DVASPECT_CONTENT, out bits);
if (NativeMethods.Succeeded(hr) && ((bits & NativeMethods.OLEMISC_SETCLIENTSITEFIRST) != 0))
{
//
// Simply setting the site to the ActiveX control should activate it.
// And this will take us to the Running state.
_axOleObject.SetClientSite(this.ActiveXSite);
}
StartEvents();
//
// We are now Running!
this.ActiveXState = ActiveXHelper.ActiveXState.Running;
}
}
private void ChangeActiveXStateUpTo(ActiveXHelper.ActiveXState state)
{
if (!this.GetActiveXHostState(ActiveXHelper.InTransition))
{
this.SetActiveXHostState(ActiveXHelper.InTransition, true);
try
{
while (state > this.activeXState)
{
switch (this.activeXState)
{
case ActiveXHelper.ActiveXState.Passive:
this.activeXInstance = UnsafeNativeMethods.CoCreateInstance <TActiveXClass, TActiveXInterface>(null, NativeMethods.tagCLSCTX.CLSCTX_INPROC_SERVER, NativeMethods.ActiveX.IID_IUnknown);
this.activeXState = ActiveXHelper.ActiveXState.Loaded;
this.AttachInterfacesInternal();
continue;
case ActiveXHelper.ActiveXState.Loaded:
try
{
if ((this.activeXOleObject.GetMiscStatus(NativeMethods.tagDVASPECT.DVASPECT_CONTENT) & NativeMethods.tagOLEMISC.OLEMISC_SETCLIENTSITEFIRST) != 0)
{
this.activeXOleObject.SetClientSite(this.ActiveXSite);
}
}
catch { }
if (!base.DesignMode)
{
this.StartEvents();
}
this.activeXState = ActiveXHelper.ActiveXState.Running;
continue;
case ActiveXHelper.ActiveXState.Running:
try
{
this.DoVerb(NativeMethods.OLEIVERB.OLEIVERB_INPLACEACTIVATE);
}
catch (Exception ex)
{
throw new TargetInvocationException(ResourcesHelper.GetString(ResourcesHelper.ActiveXNoWindowHandle, new object[] { base.GetType().Name }), ex);
}
ControlShim.CreateControl(this, true);
this.activeXState = ActiveXHelper.ActiveXState.InPlaceActive;
continue;
case ActiveXHelper.ActiveXState.InPlaceActive:
try
{
this.DoVerb(NativeMethods.OLEIVERB.OLEIVERB_UIACTIVATE);
}
catch (Exception ex)
{
throw new TargetInvocationException(ResourcesHelper.GetString(ResourcesHelper.ActiveXNoWindowHandle, new object[] { base.GetType().Name }), ex);
}
this.activeXState = ActiveXHelper.ActiveXState.UIActive;
continue;
}
//this.activeXState += ActiveXHelper.ActiveXState.Loaded;
this.activeXState = (ActiveXHelper.ActiveXState)((int)(this.activeXState) + (int)(ActiveXHelper.ActiveXState.Loaded));
}
}
finally
{
this.SetActiveXHostState(ActiveXHelper.InTransition, false);
}
}
}
// Token: 0x0600617E RID: 24958 RVA: 0x001B5A1C File Offset: 0x001B3C1C
internal void TransitionDownTo(ActiveXHelper.ActiveXState state)
{
if (!this.GetAxHostState(ActiveXHelper.inTransition))
{
this.SetAxHostState(ActiveXHelper.inTransition, true);
try
{
while (state < this.ActiveXState)
{
ActiveXHelper.ActiveXState activeXState = this.ActiveXState;
ActiveXHelper.ActiveXState activeXState2 = this.ActiveXState;
switch (activeXState2)
{
case ActiveXHelper.ActiveXState.Loaded:
this.TransitionFromLoadedToPassive();
this.ActiveXState = ActiveXHelper.ActiveXState.Passive;
break;
case ActiveXHelper.ActiveXState.Running:
this.TransitionFromRunningToLoaded();
this.ActiveXState = ActiveXHelper.ActiveXState.Loaded;
break;
case (ActiveXHelper.ActiveXState) 3:
goto IL_95;
case ActiveXHelper.ActiveXState.InPlaceActive:
this.TransitionFromInPlaceActiveToRunning();
this.ActiveXState = ActiveXHelper.ActiveXState.Running;
break;
default:
if (activeXState2 != ActiveXHelper.ActiveXState.UIActive)
{
if (activeXState2 != ActiveXHelper.ActiveXState.Open)
{
goto IL_95;
}
this.ActiveXState = ActiveXHelper.ActiveXState.UIActive;
}
else
{
this.TransitionFromUIActiveToInPlaceActive();
this.ActiveXState = ActiveXHelper.ActiveXState.InPlaceActive;
}
break;
}
IL_A3:
this.OnActiveXStateChange((int)activeXState, (int)this.ActiveXState);
continue;
IL_95:
this.ActiveXState--;
goto IL_A3;
}
}
finally
{
this.SetAxHostState(ActiveXHelper.inTransition, false);
}
}
}
internal void TransitionDownTo(ActiveXHelper.ActiveXState state)
{
if (!this.GetAxHostState(ActiveXHelper.inTransition))
{
this.SetAxHostState(ActiveXHelper.inTransition, true);
try
{
ActiveXHelper.ActiveXState oldState;
while (state < this.ActiveXState)
{
oldState = this.ActiveXState;
switch (this.ActiveXState)
{
case ActiveXHelper.ActiveXState.Open:
Debug.Fail("how did we ever get into the open state?");
this.ActiveXState = ActiveXHelper.ActiveXState.UIActive;
break;
case ActiveXHelper.ActiveXState.UIActive:
TransitionFromUIActiveToInPlaceActive();
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.InPlaceActive, "Failed transition");
this.ActiveXState = ActiveXHelper.ActiveXState.InPlaceActive;
break;
case ActiveXHelper.ActiveXState.InPlaceActive:
TransitionFromInPlaceActiveToRunning();
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.Running, "Failed transition");
this.ActiveXState = ActiveXHelper.ActiveXState.Running;
break;
case ActiveXHelper.ActiveXState.Running:
TransitionFromRunningToLoaded();
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.Loaded, "Failed transition");
this.ActiveXState = ActiveXHelper.ActiveXState.Loaded;
break;
case ActiveXHelper.ActiveXState.Loaded:
TransitionFromLoadedToPassive();
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.Passive, "Failed transition");
this.ActiveXState = ActiveXHelper.ActiveXState.Passive;
break;
default:
Debug.Fail("bad state");
this.ActiveXState = this.ActiveXState - 1; // To exit the loop
break;
}
OnActiveXStateChange((int)oldState, (int)this.ActiveXState);
}
}
finally
{
this.SetAxHostState(ActiveXHelper.inTransition, false);
}
}
}
private void TransitionFromPassiveToLoaded()
{
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.Passive, "Wrong start state to transition from");
if (this.ActiveXState == ActiveXHelper.ActiveXState.Passive)
{
//
// First, create the ActiveX control
Debug.Assert(_axInstance == null, "_axInstance must be null");
_axInstance = CreateActiveXObject(_clsid.Value);
Debug.Assert(_axInstance != null, "w/o an exception being thrown we must have an object...");
//
// We are now Loaded!
this.ActiveXState = ActiveXHelper.ActiveXState.Loaded;
//
// Lets give them a chance to cast the ActiveX object
// to the appropriate interfaces.
this.AttachInterfacesInternal();
}
}
private void TransitionFromInPlaceActiveToUIActive()
{
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.InPlaceActive, "Wrong start state to transition from");
if (this.ActiveXState == ActiveXHelper.ActiveXState.InPlaceActive)
{
DoVerb(NativeMethods.OLEIVERB_UIACTIVATE);
//
// We are now UIActive!
this.ActiveXState = ActiveXHelper.ActiveXState.UIActive;
}
}
private void ChangeActiveXStateDownTo(ActiveXHelper.ActiveXState state)
{
if (!this.GetActiveXHostState(ActiveXHelper.InTransition))
{
this.SetActiveXHostState(ActiveXHelper.InTransition, true);
try
{
while (state < this.activeXState)
{
switch (this.activeXState)
{
case ActiveXHelper.ActiveXState.Loaded:
this.numberOfComponentChangeEvents++;
try
{
if (this.activeXInstance != null)
{
this.DetachInterfacesInternal();
Marshal.FinalReleaseComObject(this.activeXInstance);
this.activeXInstance = null;
}
}
finally
{
this.numberOfComponentChangeEvents--;
}
this.activeXState = ActiveXHelper.ActiveXState.Passive;
continue;
case ActiveXHelper.ActiveXState.Running:
this.StopEvents();
ActiveXContainer activeXContainer = this.GetParentContainer();
if (activeXContainer != null)
{
activeXContainer.RemoveControl(this);
}
this.activeXOleObject.SetClientSite(null);
this.activeXState = ActiveXHelper.ActiveXState.Loaded;
continue;
case (ActiveXHelper.ActiveXState.Running | ActiveXHelper.ActiveXState.Loaded):
break;
case ActiveXHelper.ActiveXState.InPlaceActive:
ContainerControl containingControl = this.ContainingControl;
if ((containingControl != null) && (containingControl.ActiveControl == this))
{
ContainerControlShim.SetActiveControlInternal(containingControl, null);
}
this.activeXOleInPlaceObject.InPlaceDeactivate();
this.activeXState = ActiveXHelper.ActiveXState.Running;
continue;
case ActiveXHelper.ActiveXState.UIActive:
this.activeXOleInPlaceObject.UIDeactivate();
this.activeXState = ActiveXHelper.ActiveXState.InPlaceActive;
continue;
}
this.activeXState -= ActiveXHelper.ActiveXState.Loaded;
}
}
finally
{
this.SetActiveXHostState(ActiveXHelper.InTransition, false);
}
}
}
private void TransitionFromRunningToLoaded()
{
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.Running, "Wrong start state to transition from");
if (this.ActiveXState == ActiveXHelper.ActiveXState.Running)
{
StopEvents();
//
// Inform the ActiveX control that it's been un-sited.
_axOleObject.SetClientSite(null);
//
// We are now Loaded!
this.ActiveXState = ActiveXHelper.ActiveXState.Loaded;
}
}
private void TransitionFromRunningToInPlaceActive()
{
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.Running, "Wrong start state to transition from");
if (this.ActiveXState == ActiveXHelper.ActiveXState.Running)
{
try
{
DoVerb(NativeMethods.OLEIVERB_INPLACEACTIVATE);
}
catch (Exception e)
{
if(CriticalExceptions.IsCriticalException(e))
{
throw;
}
else
{
throw new TargetInvocationException(SR.Get(SRID.AXNohWnd, GetType().Name), e);
}
}
//
// We are now InPlaceActive!
this.ActiveXState = ActiveXHelper.ActiveXState.InPlaceActive;
}
}
private void TransitionFromInPlaceActiveToRunning()
{
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.InPlaceActive, "Wrong start state to transition from");
if (this.ActiveXState == ActiveXHelper.ActiveXState.InPlaceActive)
{
//
// InPlaceDeactivate.
_axOleInPlaceObject.InPlaceDeactivate();
//
// We are now Running!
this.ActiveXState = ActiveXHelper.ActiveXState.Running;
}
}
protected override void WndProc(ref Message m)
{
switch (m.Msg)
{
case NativeMethods.WM_LBUTTONDOWN:
case NativeMethods.WM_RBUTTONDOWN:
case NativeMethods.WM_MBUTTONDOWN:
case NativeMethods.WM_MOUSEACTIVATE:
if (!base.DesignMode)
{
this.Focus();
}
this.DefWndProc(ref m);
return;
case NativeMethods.WM_LBUTTONUP:
case NativeMethods.WM_LBUTTONDBLCLK:
case NativeMethods.WM_RBUTTONUP:
case NativeMethods.WM_RBUTTONDBLCLK:
case NativeMethods.WM_MBUTTONUP:
case NativeMethods.WM_MBUTTONDBLCLK:
case NativeMethods.x2055:
case NativeMethods.WM_CONTEXTMENU:
case NativeMethods.WM_ERASEBKGND:
case NativeMethods.WM_SYSCOLORCHANGE:
case NativeMethods.WM_SETCURSOR:
case NativeMethods.WM_DRAWITEM:
this.DefWndProc(ref m);
return;
case NativeMethods.WM_COMMAND:
if (!ControlShim.ReflectMessageInternal(m.LParam, ref m))
{
this.DefWndProc(ref m);
}
return;
case NativeMethods.WM_HELP:
base.WndProc(ref m);
this.DefWndProc(ref m);
return;
case NativeMethods.WM_DESTROY:
break;
case NativeMethods.WM_KILLFOCUS:
this.hwndFocus = m.WParam;
try
{
base.WndProc(ref m);
return;
}
finally
{
this.hwndFocus = IntPtr.Zero;
}
default:
if (m.Msg == ActiveXHelper.REGMSG_MSG)
{
m.Result = (IntPtr)0x7b;
}
else
{
base.WndProc(ref m);
}
return;
}
if ((this.activeXState >= ActiveXHelper.ActiveXState.InPlaceActive))
{
IntPtr window = this.activeXOleInPlaceObject.GetWindow();
if (window != IntPtr.Zero)
{
ApplicationShim.ParkHandle(new HandleRef(this.activeXOleInPlaceObject, window));
}
}
if (base.RecreatingHandle)
{
this.activeXReloadingState = this.activeXState;
}
this.ChangeActiveXStateDownTo(ActiveXHelper.ActiveXState.Running);
if (this.activeXWindow != null)
{
this.activeXWindow.ReleaseHandle();
}
this.OnHandleDestroyed(EventArgs.Empty);
}
private void TransitionFromLoadedToPassive()
{
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.Loaded, "Wrong start state to transition from");
if (this.ActiveXState == ActiveXHelper.ActiveXState.Loaded)
{
//
// Need to make sure that we don't handle any PropertyChanged
// notifications at this point.
//this.NoComponentChangeEvents++;
try
{
//
// Release the _axInstance
if (_axInstance != null)
{
//
// Lets first get the cached interface pointers of _axInstance released.
this.DetachInterfacesInternal();
Marshal.FinalReleaseComObject(_axInstance);
_axInstance = null;
}
}
finally
{
//
}
//
// We are now Passive!
this.ActiveXState = ActiveXHelper.ActiveXState.Passive;
}
}
private void TransitionFromUIActiveToInPlaceActive()
{
Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.UIActive, "Wrong start state to transition from");
if (this.ActiveXState == ActiveXHelper.ActiveXState.UIActive)
{
int hr = _axOleInPlaceObject.UIDeactivate();
Debug.Assert(NativeMethods.Succeeded(hr), "Failed in IOleInPlaceObject.UiDeactivate");
//
// We are now InPlaceActive!
this.ActiveXState = ActiveXHelper.ActiveXState.InPlaceActive;
}
}
