bool UnsafeNativeMethods.IMsoComponentManager.FRegisterComponent(UnsafeNativeMethods.IMsoComponent component, System.Windows.Forms.NativeMethods.MSOCRINFOSTRUCT pcrinfo, out IntPtr dwComponentID)
{
if (component == null)
{
throw new ArgumentNullException("component");
}
dwComponentID = IntPtr.Zero;
if ((this._refCount == 0) && !this._original.FRegisterComponent(this, pcrinfo, out this._componentId))
{
return(false);
}
this._refCount++;
if (this._components == null)
{
this._components = new Dictionary <int, UnsafeNativeMethods.IMsoComponent>();
}
this._nextComponentId++;
if (this._nextComponentId == 0x7fffffff)
{
this._nextComponentId = 1;
}
bool flag = false;
while (this._components.ContainsKey(this._nextComponentId))
{
this._nextComponentId++;
if (this._nextComponentId == 0x7fffffff)
{
if (flag)
{
throw new InvalidOperationException(System.Windows.Forms.SR.GetString("ComponentManagerProxyOutOfMemory"));
}
flag = true;
this._nextComponentId = 1;
}
}
this._components.Add(this._nextComponentId, component);
dwComponentID = (IntPtr)this._nextComponentId;
return(true);
}
bool UnsafeNativeMethods.IMsoComponentManager.FUpdateComponentRegistration(IntPtr dwComponentID, System.Windows.Forms.NativeMethods.MSOCRINFOSTRUCT info)
{
if (this._original == null)
{
return(false);
}
return(this._original.FUpdateComponentRegistration(this._componentId, info));
}
bool UnsafeNativeMethods.IMsoComponentManager.FGetActiveComponent(int dwgac, UnsafeNativeMethods.IMsoComponent[] ppic, System.Windows.Forms.NativeMethods.MSOCRINFOSTRUCT info, int dwReserved)
{
if (this._original == null)
{
return(false);
}
if (!this._original.FGetActiveComponent(dwgac, ppic, info, dwReserved))
{
return(false);
}
if (ppic[0] == this)
{
if (dwgac == 0)
{
ppic[0] = this._activeComponent;
}
else if (dwgac == 1)
{
ppic[0] = this._trackingComponent;
}
else if ((dwgac == 2) && (this._trackingComponent != null))
{
ppic[0] = this._trackingComponent;
}
}
return(ppic[0] != null);
}