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How to load custom control as popup in WinForms ComboBoxDropDown?

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You can load the custom control as popup controls in ComboDropDown. Refer to the following code example to load GridGroupingControl as its dropdown control.


//Load GridGrouping as a popup control.
this.comboDropDown1.PopupControl = this.gridGroupingControl1;
DataTable dt = new DataTable();
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;


'Load GridGrouping as a popup control.
Me.comboDropDown1.PopupControl = Me.gridGroupingControl1
Dim dt As New DataTable()
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


Showing ComboDropDown with GridGrouping control

Figure 1: ComboDropDown with GridGrouping control

Samples :

C#: ComboDropDown

VB: ComboDropDown


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.

For current customers, you can check out our components from the License and Downloads page. If you are new to Syncfusion, you can try our 30-day free trial to check out our other controls.

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