Monday, October 26, 2009
How To Find LayoutControlItem on DetailView
To find LayoutControlItem you have to create a Method given below
here Item is a Class on Which there is two property ItemName,IsApplicable
Assembly:
DevExpress.XtraLayout;
DevExpress.ExpressApp.Win.Layout;
when IsApplicable=true then ItemName Caption Property Changed according to your condition
private LayoutControlItem FindLayoutControlItemByName(string name, CollectionBase items)
{
foreach (object item in items)
{
if (item is LayoutControlItem)
{
if ((item as LayoutControlItem).ControlName != null)
{
if ((item as LayoutControlItem).ControlName.IndexOf(name) >= 0)
{
return item as LayoutControlItem;
}}}}
return null;
}
Now Write code on your Desired Event like ControlCreated,ObjectSpace.ObjectChanged
if (View is DetailView && View.ObjectTypeInfo.Type == typeof(Item))
{
if (e.Object.GetType() == typeof(Item))
{
LayoutControl layoutControl = ((LayoutControl)View.Control);
DetailView dv = (DetailView)View;
Item itm = (Item)View.CurrentObject;
LayoutControlItem target = FindLayoutControlItemByName("ItemName", ((LayoutControl)(((WinLayoutManager)(dv.LayoutManager)).Container)).Items);
ITypeInfo imf = (ITypeInfo)XafTypesInfo.Instance.FindTypeInfo(View.CurrentObject.GetType());
IMemberInfo imi = imf.FindMember("IsApplicable");
Boolean ValueOfIsApplicable = false;
if (imi != null)
{
ValueOfIsApplicable = (Boolean)imi.GetValue(View.CurrentObject);
}
layoutControl.BeginUpdate();
if (target != null && ValueOfIsApplicable)
{
target.Text = "YourDesiredCaption1";
}
else
{
target.Text = "YourDesiredCaption2";
}
layoutControl.EndUpdate();
}
}
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