Styling and Customization in Windows Forms MultiSelectionComboBox

27 Apr 2021 / 5 minutes to read

Check box selection

Checkboxes in drop down list can be enabled for multiple items selection through the ShowCheckBox property.

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this.MultiSelectionComboBox1.ShowCheckBox = true;
Me.MultiSelectionComboBox1.ShowCheckBox = True

Grouping header background

Grouping Header background color can be customized using GroupHeaderBackColor property.

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The following code sample illustrates you on how to customize Group Header background color.

this.MultiSelectionComboBox1.GroupHeaderBackColor = Color.White;
Me.MultiSelectionComboBox1.GroupHeaderBackColor = Color.White

Grouping header ForeColor

Grouping Header text color can be customized using GroupHeaderForeColor property.

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The following code sample illustrates you on how to customize Group Header ForeColor.

this.MultiSelectionComboBox1.GroupHeaderForeColor = Color.White;
Me.MultiSelectionComboBox1.GroupHeaderForeColor = Color.White

Grouping header separator color

Grouping Header Separator Color can be customized using GroupHeaderSeparatorColor property.

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The following code sample illustrates you on how to customize Group Header Separator Color.

this.MultiSelectionComboBox1.GroupHeaderSeperatorColor = Color.White;
Me.MultiSelectionComboBox1.GroupHeaderSeperatorColor = Color.White

Item height

Drop down item height can be customized by using ItemsHeight property.

The following code sample illustrates you on how to customize drop down items height.

this.MultiSelectionComboBox1.ItemsHeight = 25;
Me.MultiSelectionComboBox1.ItemsHeight = 25

Drop down window height can be customized by using DropDownHeight property.

The following code sample illustrates you on how to customize drop down window height.

this.MultiSelectionComboBox1.DropDownHeight = 125;
Me.MultiSelectionComboBox1.DropDownHeight = 125

Drop down window width can be customized by using DropDownWidth property.

The following code sample illustrates you on how to customize drop down window width.

this.MultiSelectionComboBox1.DropDownWidth = 125;
Me.MultiSelectionComboBox1.DropDownWidth = 125

Maximum number of drop-down items

Maximum number of drop down items to display can be customized by using MaxDropDownItems property.

The following code sample illustrates you on how to customize number of drop down items.

this.MultiSelectionComboBox1.MaxDropDownItems = 5;
Me.MultiSelectionComboBox1.MaxDropDownItems = 5

Text block styling

Visual item back color

Visual Item background color can be customized using VisualItemBackColor property.

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The following code sample illustrates you on how to customize Visual Item Back Color.

this.MultiSelectionComboBox1.VisualItemBackColor = Color.White;
Me.MultiSelectionComboBox1.VisualItemBackColor = Color.White

Visual item fore color

Visual Item Fore Color can be customized using VisualItemForeColor property.

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The following code sample illustrates you on how to customize Visual Item Fore Color.

this.MultiSelectionComboBox1.VisualItemForeColor = Color.Black;
Me.MultiSelectionComboBox1.VisualItemForeColor = Color.Black

Visual item selection color

Visual Item Back Color upon selection can be customized using VisualItemSelectionColor property.

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The following code sample illustrates you on how to customize Visual Item Back Color upon selection.

this.MultiSelectionComboBox1.VisualItemForeColor = Color.Black;
Me.MultiSelectionComboBox1.VisualItemForeColor = Color.Black

Visual item border color

Visual Item Border Color can be customized using VisualItemBorderColor property.

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The following code sample illustrates you on how to customize Visual Item Border Color.

this.MultiSelectionComboBox1.VisualItemBorderColor = Color.Black;
Me.MultiSelectionComboBox1.VisualItemBorderColor = Color.Black

Delimiter character

Upon selecting multiple items from its drop down list, each selected item is separated by user defined delimiter character.

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The following code sample illustrates you on how to set delimiter character.

this.MultiSelectionComboBox1.DelimiterChar = ",";
Me.MultiSelectionComboBox1.DelimiterChar = ","

NOTE

Delimiter character needs to be single special characters like “,” “.”