Hello, Alec,
Following the provided code snippet, I have prepared a sample project to test the behavior on my end with the latest version. You can find below the default filter popup:
After handling the FilterPopupInitialized event, the below result is accomplished:
public RadForm1()
{
InitializeComponent();
this.radGridView1.Columns.Add("Name");
this.radGridView1.AutoSizeColumnsMode = GridViewAutoSizeColumnsMode.Fill;
this.radGridView1.Rows.Add("A");
this.radGridView1.Rows.Add("B");
this.radGridView1.Rows.Add("C");
this.radGridView1.Rows.Add("D");
this.radGridView1.EnableFiltering = true;
this.radGridView1.ShowHeaderCellButtons = true;
this.radGridView1.ShowFilteringRow = false;
this.radGridView1.FilterPopupInitialized+=radGridView1_FilterPopupInitialized;
}
private void radGridView1_FilterPopupInitialized(object sender, FilterPopupInitializedEventArgs e)
{
RadListFilterPopup popup = e.FilterPopup as RadListFilterPopup;
if (popup != null)
{
popup.MenuElement.Items.RemoveAt(0);
popup.MenuElement.Items.RemoveAt(0);
popup.MenuTreeElement.DistinctListValues.Add("<empty>", "");
popup.MenuTreeElement.DistinctListValues.Remove("C");
popup.MenuTreeElement.DistinctListValues.Remove("D");
}
}If you uncheck some of the nodes, the filtering seems to work as expected:
I have attached my sample project. Could you please specify the exact steps how to reproduce the problem? Thank you in advance for your cooperation.
I am looking forward to your reply.
Regards,
Dess | Tech Support Engineer, Sr.
Progress Telerik
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