How to load custom control as popup in WinForms ComboBoxDropDown?
You can load the custom control as popup controls in ComboDropDown. Refer to the following code example to load GridGroupingControl as its dropdown control.
C#
//Load GridGrouping as a popup control.
this.comboDropDown1.PopupControl = this.gridGroupingControl1;
DataTable dt = new DataTable();
dt.Columns.Add("ProductName");
dt.Columns.Add("ProductID");
dt.Columns.Add("UnitPrice");
for (int i = 0; i < 5; i++)
dt.Rows.Add("Product" + i.ToString());
this.comboDropDown1.PopupControl.Height = 200;
this.comboDropDown1.PopupControl.Width = 100;
gridGroupingControl1.DataSource = dt;
VB
'Load GridGrouping as a popup control.
Me.comboDropDown1.PopupControl = Me.gridGroupingControl1
Dim dt As New DataTable()
dt.Columns.Add("ProductName")
dt.Columns.Add("ProductID")
dt.Columns.Add("UnitPrice")
For i As Integer = 0 To 4
dt.Rows.Add("Product" & i.ToString())
Next i
Me.comboDropDown1.PopupControl.Height = 200
Me.comboDropDown1.PopupControl.Width = 100
gridGroupingControl1.DataSource = dt
Screenshot:
Figure 1: ComboDropDown with GridGrouping control
Samples :
C#: ComboDropDown
VB: ComboDropDown
Conclusion
I hope you enjoyed learning about how to load custom control as popup in WinForms ComboBoxDropDown.
You can refer to our
WinForms ComboBoxDropDown feature
tour page to know about its other groundbreaking feature
representations. You can also explore our WinForms
ComboBoxDropDown documentation to understand how to create
and manipulate data.
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