/// <summary>
/// Main Show routine
/// </summary>
static private DialogResult Show(Form parent, Form child, FormDepth depth, bool isModal, bool isVirtual)
{
DialogResult result = DialogResult.None;
FormHolder holder = CreateFormHolder(child, depth, isModal);
AddForm(holder);
try
{
holder.mForm.StartPosition = FormStartPosition.CenterParent;
if (isVirtual)
{
// this is a virtually modal form
if (parent != null)
{
parent.Invoke(new DisableParentDelegate(DisableParent), new object[] { parent });
}
if (!isModal)
{
holder.mForm.Show();
}
}
else
{
if (isModal)
{
//this is a pure modal form
result = holder.mForm.ShowDialog(parent);
Close(holder.mForm);
}
else
{
// this is not modal nor is it virtually modal, so just show it modeless
holder.mForm.Show();
}
}
}
// Ignore any ThreadAbortExceptions (but keep this code here so we can observe them)
catch (ThreadAbortException ex)
{
Debug.WriteLine(ex.ToString());
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
// If we've caught, re-enable our parent (just in case)
if (parent != null)
{
//Debug.WriteLine(parent.Name + " - (Exception)BackForm ReEnabled", "Show");
parent.Enabled = true;
}
}
return(result);
}
/// <summary>
/// Bring the highest form to the top of our window
/// </summary>
static private Form GetTopmostForm(FormDepth zone)
{
// I assume the latest node in our sorted list is the highest because it is a sorted(by depth) list
for (int z = (int)zone; z >= 0; z--)
{
if (mForms[z].Count > 0)
{
// I assume the latest node in our sorted list is the highest because it is a sorted(by depth) list
FormHolder holder = mForms[z].GetByIndex(mForms[z].Count - 1) as FormHolder;
return(holder.mForm);
}
}
return(null);
}
/// <summary>
/// Create a formHolder object with the correct depth and event handlers
/// </summary>
/// <param name="form"></param>
/// <param name="depth"></param>
/// <returns></returns>
static private FormHolder CreateFormHolder(Form form, FormDepth depth, bool isModal)
{
// Create our handle
FormHolder holder = new FormHolder();
// Assign it our vars
holder.mForm = form;
holder.mDepthZone = depth;
holder.mModal = isModal;
// Determine its depth base on its zone
switch (depth)
{
case FormDepth.BACK:
holder.mDepth = mCurrentBack++;
break;
case FormDepth.MID:
holder.mDepth = mCurrentMid++;
break;
case FormDepth.TOP:
holder.mDepth = mCurrentTop++;
break;
}
// Mark down in our list that this holder goes with this form
AddHolderMap(form, holder);
// Override the forms activated event handle
form.Activated += new EventHandler(form_Activated);
form.Closed += new EventHandler(form_Closed);
// Return the new object
return(holder);
}
static public void VirtualModal(Form parent, Form form, FormDepth depth)
{
Show(parent, form, depth, true, true);
}
static public DialogResult ShowModal(Form parent, Form form, FormDepth depth)
{
return(Show(parent, form, depth, true, false));
}
/// <summary>
/// Show functions
/// </summary>
/// <param name="form"></param>
/// <param name="depth"></param>
static public void Show(Form form, FormDepth depth)
{
Show(null, form, depth, false, false);
}
/// <summary>
/// Assign the initial parent form
/// </summary>
/// <param name="form"></param>
/// <param name="depth"></param>
static public void InitParent(Form form, FormDepth depth)
{
FormHolder holder = CreateFormHolder(form, depth, false);
AddForm(holder);
}
