int UnsafeNativeMethods.IOleContainer.EnumObjects(int grfFlags, out UnsafeNativeMethods.IEnumUnknown ppenum) {
ppenum = null;
if ((grfFlags & 1) != 0) { // 1 == OLECONTF_EMBEDDINGS
Debug.Assert(parent != null, "gotta have it...");
ArrayList list = new ArrayList();
ListAXControls(list, true);
if (list.Count > 0) {
Object[] temp = new Object[list.Count];
list.CopyTo(temp, 0);
ppenum = new AxHost.EnumUnknown(temp);
return NativeMethods.S_OK;
}
}
ppenum = new AxHost.EnumUnknown(null);
return NativeMethods.S_OK;
}
int UnsafeNativeMethods.IOleContainer.EnumObjects(int grfFlags, out UnsafeNativeMethods.IEnumUnknown ppenum)
{
ppenum = null;
if ((grfFlags & 1) != 0)
{
ArrayList list = new ArrayList();
this.ListAXControls(list, true);
if (list.Count > 0)
{
object[] array = new object[list.Count];
list.CopyTo(array, 0);
ppenum = new AxHost.EnumUnknown(array);
return(0);
}
}
ppenum = new AxHost.EnumUnknown(null);
return(0);
}
int UnsafeNativeMethods.IOleContainer.EnumObjects(int grfFlags, out UnsafeNativeMethods.IEnumUnknown ppenum)
{
ppenum = null;
if ((grfFlags & 1) != 0) // 1 == OLECONTF_EMBEDDINGS
{
Debug.Assert(parent != null, "gotta have it...");
ArrayList list = new ArrayList();
ListAXControls(list, true);
if (list.Count > 0)
{
object[] temp = new object[list.Count];
list.CopyTo(temp, 0);
ppenum = new AxHost.EnumUnknown(temp);
return(NativeMethods.S_OK);
}
}
ppenum = new AxHost.EnumUnknown(null);
return(NativeMethods.S_OK);
}
HRESULT Ole32.IOleContainer.EnumObjects(Ole32.OLECONTF grfFlags, out Ole32.IEnumUnknown ppenum)
{
ppenum = null;
if ((grfFlags & Ole32.OLECONTF.EMBEDDINGS) != 0)
{
Debug.Assert(parent is not null, "gotta have it...");
ArrayList list = new ArrayList();
ListAXControls(list, true);
if (list.Count > 0)
{
object[] temp = new object[list.Count];
list.CopyTo(temp, 0);
ppenum = new AxHost.EnumUnknown(temp);
return(HRESULT.S_OK);
}
}
ppenum = new AxHost.EnumUnknown(null);
return(HRESULT.S_OK);
}
void System.Windows.Forms.UnsafeNativeMethods.IEnumUnknown.Clone(out System.Windows.Forms.UnsafeNativeMethods.IEnumUnknown ppenum)
{
ppenum = new AxHost.EnumUnknown(this.arr, this.loc);
}
int System.Windows.Forms.UnsafeNativeMethods.IOleContainer.EnumObjects(int grfFlags, out System.Windows.Forms.UnsafeNativeMethods.IEnumUnknown ppenum)
{
ppenum = null;
if ((grfFlags & 1) != 0)
{
ArrayList list = new ArrayList();
this.ListAxControls(list, true);
if (list.Count > 0)
{
object[] array = new object[list.Count];
list.CopyTo(array, 0);
ppenum = new AxHost.EnumUnknown(array);
return 0;
}
}
ppenum = new AxHost.EnumUnknown(null);
return 0;
}
internal System.Windows.Forms.UnsafeNativeMethods.IEnumUnknown EnumControls(Control ctl, int dwOleContF, int dwWhich)
{
System.Windows.Forms.UnsafeNativeMethods.IEnumUnknown unknown;
this.GetComponents();
this.LockComponents();
try
{
AxHost.AxContainer container;
ArrayList l = null;
bool selected = (dwWhich & 0x40000000) != 0;
bool flag2 = (dwWhich & 0x8000000) != 0;
bool flag3 = (dwWhich & 0x10000000) != 0;
bool flag4 = (dwWhich & 0x20000000) != 0;
dwWhich &= -2013265921;
if (flag3 && flag4)
{
throw AxHost.E_INVALIDARG;
}
if (((dwWhich == 2) || (dwWhich == 3)) && (flag3 || flag4))
{
throw AxHost.E_INVALIDARG;
}
int num = 0;
int tabIndex = -1;
Control[] array = null;
switch (dwWhich)
{
case 1:
{
Control parentInternal = ctl.ParentInternal;
if (parentInternal == null)
{
goto Label_00E2;
}
array = parentInternal.GetChildControlsInTabOrder(false);
if (!flag4)
{
break;
}
tabIndex = ctl.TabIndex;
goto Label_00EA;
}
case 2:
l = new ArrayList();
this.MaybeAdd(l, ctl, selected, dwOleContF, false);
goto Label_0128;
case 3:
array = ctl.GetChildControlsInTabOrder(false);
ctl = null;
goto Label_015F;
case 4:
{
Hashtable components = this.GetComponents();
array = new Control[components.Keys.Count];
components.Keys.CopyTo(array, 0);
ctl = this.parent;
goto Label_015F;
}
default:
throw AxHost.E_INVALIDARG;
}
if (flag3)
{
num = ctl.TabIndex + 1;
}
goto Label_00EA;
Label_00E2:
array = new Control[0];
Label_00EA:
ctl = null;
goto Label_015F;
Label_0102:
container = FindContainerForControl(ctl);
if (container == null)
{
goto Label_015F;
}
this.MaybeAdd(l, container.parent, selected, dwOleContF, true);
ctl = container.parent;
Label_0128:
if (ctl != null)
{
goto Label_0102;
}
Label_015F:
if (l == null)
{
l = new ArrayList();
if ((tabIndex == -1) && (array != null))
{
tabIndex = array.Length;
}
if (ctl != null)
{
this.MaybeAdd(l, ctl, selected, dwOleContF, false);
}
for (int i = num; i < tabIndex; i++)
{
this.MaybeAdd(l, array[i], selected, dwOleContF, false);
}
}
object[] objArray = new object[l.Count];
l.CopyTo(objArray, 0);
if (flag2)
{
int index = 0;
for (int j = objArray.Length - 1; index < j; j--)
{
object obj2 = objArray[index];
objArray[index] = objArray[j];
objArray[j] = obj2;
index++;
}
}
unknown = new AxHost.EnumUnknown(objArray);
}
finally
{
this.UnlockComponents();
}
return unknown;
}