/// <summary>
/// Creates a new instance of the <see cref="ElementRef"/> class
/// </summary>
/// <param name="he">element handle</param>
/// <param name="rt">reference text</param>
/// <param name="attach">uses existing handle</param>
private ElementRef(Element he, ElementRefType rt, bool attach)
{
Debug.Assert(rt != ElementRefType.Weak || !attach, "Weak handle cannot be attached");
_referenceType = rt;
switch (_referenceType)
{
case ElementRefType.Weak:
GC.SuppressFinalize(this);
_elementHwnd = SciterDomApi.GetElementHwnd(he, true);
_element = new IntPtr(SciterDomApi.GetElementUID(he));
break;
case ElementRefType.Normal:
_element = he.Handle;
if (!attach)
{
SciterDomApi.UseElement(he.Handle);
}
break;
default:
throw new ArgumentOutOfRangeException("rt", rt.ToString());
}
}
/// <summary>
/// Creates a new instance of the <see cref="ElementRef"/> class
/// </summary>
/// <param name="he">element handle</param>
/// <param name="rt">reference text</param>
/// <param name="attach">uses existing handle</param>
private ElementRef(Element he, ElementRefType rt, bool attach)
{
Debug.Assert(rt != ElementRefType.Weak || !attach, "Weak handle cannot be attached");
_referenceType = rt;
switch (_referenceType)
{
case ElementRefType.Weak:
GC.SuppressFinalize(this);
_elementHwnd = SciterDomApi.GetElementHwnd(he, true);
_element = new IntPtr(SciterDomApi.GetElementUID(he));
break;
case ElementRefType.Normal:
_element = he.Handle;
if (!attach)
{
SciterDomApi.UseElement(he.Handle);
}
break;
default:
throw new ArgumentOutOfRangeException("rt", rt.ToString());
}
}
/// <summary>
/// Creates a new instance of the <see cref="ElementRef"/> class
/// </summary>
internal ElementRef(Element he, ElementRefType rt)
: this(he, rt, false)
{
}
/// <summary>
/// Allocates reference to the element
/// </summary>
/// <remarks>
/// Element references uses ref counting and allowed to use between calls
/// </remarks>
public ElementRef Use(ElementRefType elementRefType)
{
return(new ElementRef(this, elementRefType));
}
/// <summary>
/// Allocates reference to the element
/// </summary>
/// <remarks>
/// Element references uses ref counting and allowed to use between calls
/// </remarks>
public ElementRef Use(ElementRefType elementRefType)
{
return new ElementRef(this, elementRefType);
}
/// <summary>
/// Creates a new instance of the <see cref="ElementRef"/> class
/// </summary>
internal ElementRef(Element he, ElementRefType rt)
: this(he, rt, false)
{
}
