/// <summary>
/// Occurs when a user clicks on a toolbar button or menu item.
/// </summary>
/// <param name="ItemName">The name of the item clicked on.</param>
/// <param name="Handled">Reference parameter. Setting Handled to true prevents other plugins from receiving this event.</param>
public void ItemClicked(string ItemName, ref bool Handled)
{
try
{
switch (ItemName)
{
case _btnNameLoadData:
UserActivatedPlugin = true;
Handled = true;
//Open the form:
frm = new TemplatePluginVS2008.Forms.frmLayers(_mapWin);
//Show it on top of MapWindow
frm.Show(Form.FromHandle(new IntPtr(_parentHandle)));
break;
default:
if (frm == null)
{
UserActivatedPlugin = false; //Some other button was clicked and the form was closed
}
break;
}
}
catch (System.Exception ex)
{
_mapWin.ShowErrorDialog(ex);
}
}
public void fillVisibleLayers(TemplatePluginVS2008.Forms.frmLayers frm)
{
//C#3.0: Implicitly Typed Local Variables and Arrays:
//The layers need to be in a List or else LINQ doesn't work:
var layersList = getLayers(_mapWin.Layers);
int counter = 0;
frm.cboLayers.Items.Clear();
//C#3.0: LINQ to Entities: Language-Integrated Query:
var visibleLayers = from l in layersList
where l.Visible == true
select new MyLayersList {
Name = l.Name
, LayerHandle = l.Handle
, LayerType = l.LayerType
};
foreach (var l in visibleLayers)
{
frm.cboLayers.Items.Add(l);
if (_mapWin.Layers.CurrentLayer == l.LayerHandle)
{
frm.cboLayers.SelectedIndex = counter;
}
counter++;
}
}
/// <summary>
/// This method is called when a plugin is unloaded. The plugin should remove all toolbars, buttons and menus that it added.
/// </summary>
public void Terminate()
{
_mapWin.Toolbar.RemoveButton(_btnNameLoadData);
if (_mapWin.Toolbar.NumToolbarButtons(_toolbarName) == 0)
{
//If all buttons are removed, remove toolbar as well:
_mapWin.Toolbar.RemoveToolbar(_toolbarName);
}
//Clean up:
_mapWin = null;
frm = null;
GC.Collect();
}