Category / Section
How to support the visual style appearance in Syncfusion WinForms controls?
Visual style
Almost all the Syncfusion controls are supported by Visual Styles. You can make use of the following demo for your reference.

Figure 1: Visual Style Demo
The following code example shows Visual Styles specified for the list controls.
C#
//Specifies the Visual Style as Metro. this.comboBoxAdv1.Style = Syncfusion.Windows.Forms.VisualStyle.Metro; this.comboBoxAutoComplete1.VisualStyle = Syncfusion.Windows.Forms.Tools.ThemedComboBoxStyles.Metro; this.comboBoxBase1.Style = Syncfusion.Windows.Forms.VisualStyle.Metro; this.comboDropDown1.Style = Syncfusion.Windows.Forms.VisualStyle.Metro; this.multiSelectionComboBox1.ButtonStyle = ButtonAppearance.Metro; this.multiSelectionComboBox1.UseVisualStyle = true; this.multiColumnComboBox1.Style = Syncfusion.Windows.Forms.VisualStyle.Metro; this.fontComboBox1.VisualStyle = Syncfusion.Windows.Forms.Tools.ThemedComboBoxStyles.Metro; // Specifies the Visual Style as Office2007. this.comboBoxAdv1.Style = Syncfusion.Windows.Forms.VisualStyle.Office2007; this.comboBoxAutoComplete1.VisualStyle = Syncfusion.Windows.Forms.Tools.ThemedComboBoxStyles.Office2007; this.comboBoxBase1.Style = Syncfusion.Windows.Forms.VisualStyle.Office2007; this.comboDropDown1.Style = Syncfusion.Windows.Forms.VisualStyle.Office2007; this.multiSelectionComboBox1.ButtonStyle = ButtonAppearance.Office2007; this.multiSelectionComboBox1.UseVisualStyle = true; this.multiColumnComboBox1.Style = Syncfusion.Windows.Forms.VisualStyle.Office2007; this.fontComboBox1.VisualStyle = Syncfusion.Windows.Forms.Tools.ThemedComboBoxStyles.Office2007; // Specifies the Visual Style as Office2010. this.comboBoxAdv1.Style = Syncfusion.Windows.Forms.VisualStyle.Office2010; this.comboBoxAutoComplete1.VisualStyle = Syncfusion.Windows.Forms.Tools.ThemedComboBoxStyles.Office2010; this.comboBoxBase1.Style = Syncfusion.Windows.Forms.VisualStyle.Office2010; this.comboDropDown1.Style = Syncfusion.Windows.Forms.VisualStyle.Office2010; this.multiSelectionComboBox1.ButtonStyle = ButtonAppearance.Office2010; this.multiSelectionComboBox1.UseVisualStyle = true; this.multiColumnComboBox1.Style = Syncfusion.Windows.Forms.VisualStyle.Office2010; this.fontComboBox1.VisualStyle = Syncfusion.Windows.Forms.Tools.ThemedComboBoxStyles.Office2010; //Specifies the Visual Style as Default. this.comboBoxAdv1.Style = Syncfusion.Windows.Forms.VisualStyle.Default; this.comboBoxAutoComplete1.VisualStyle = Syncfusion.Windows.Forms.Tools.ThemedComboBoxStyles.Default; this.comboBoxBase1.Style = Syncfusion.Windows.Forms.VisualStyle.Default; this.comboDropDown1.Style = Syncfusion.Windows.Forms.VisualStyle.Default; this.multiSelectionComboBox1.ButtonStyle = ButtonAppearance.None; this.multiColumnComboBox1.Style = Syncfusion.Windows.Forms.VisualStyle.Default; this.fontComboBox1.VisualStyle = Syncfusion.Windows.Forms.Tools.ThemedComboBoxStyles.Default;
VB
'Specifies the Visual Style as Metro. Me.comboBoxAdv1.Style = Syncfusion.Windows.Forms.VisualStyle.Metro Me.comboBoxAutoComplete1.VisualStyle = Syncfusion.Windows.Forms.Tools.ThemedComboBoxStyles.Metro Me.comboBoxBase1.Style = Syncfusion.Windows.Forms.VisualStyle.Metro Me.comboDropDown1.Style = Syncfusion.Windows.Forms.VisualStyle.Metro Me.multiSelectionComboBox1.ButtonStyle = ButtonAppearance.Metro Me.multiSelectionComboBox1.UseVisualStyle = True Me.multiColumnComboBox1.Style = Syncfusion.Windows.Forms.VisualStyle.Metro Me.fontComboBox1.VisualStyle = Syncfusion.Windows.Forms.Tools.ThemedComboBoxStyles.Metro 'Specifies the Visual Style as Office2007. Me.comboBoxAdv1.Style = Syncfusion.Windows.Forms.VisualStyle.Office2007 Me.comboBoxAutoComplete1.VisualStyle = Syncfusion.Windows.Forms.Tools.ThemedComboBoxStyles.Office2007 Me.comboBoxBase1.Style = Syncfusion.Windows.Forms.VisualStyle.Office2007 Me.comboDropDown1.Style = Syncfusion.Windows.Forms.VisualStyle.Office2007 Me.multiSelectionComboBox1.ButtonStyle = ButtonAppearance.Office2007 Me.multiSelectionComboBox1.UseVisualStyle = True Me.multiColumnComboBox1.Style = Syncfusion.Windows.Forms.VisualStyle.Office2007 Me.fontComboBox1.VisualStyle = Syncfusion.Windows.Forms.Tools.ThemedComboBoxStyles.Office2007 'Specifies the Visual Style as Office2010. Me.comboBoxAdv1.Style = Syncfusion.Windows.Forms.VisualStyle.Office2010 Me.comboBoxAutoComplete1.VisualStyle = Syncfusion.Windows.Forms.Tools.ThemedComboBoxStyles.Office2010 Me.comboBoxBase1.Style = Syncfusion.Windows.Forms.VisualStyle.Office2010 Me.comboDropDown1.Style = Syncfusion.Windows.Forms.VisualStyle.Office2010 Me.multiSelectionComboBox1.ButtonStyle = ButtonAppearance.Office2010 Me.multiSelectionComboBox1.UseVisualStyle = True Me.multiColumnComboBox1.Style = Syncfusion.Windows.Forms.VisualStyle.Office2010 Me.fontComboBox1.VisualStyle = Syncfusion.Windows.Forms.Tools.ThemedComboBoxStyles.Office2010 'Specifies the Visual Style as Default. Me.comboBoxAdv1.Style = Syncfusion.Windows.Forms.VisualStyle.Default Me.comboBoxAutoComplete1.VisualStyle = Syncfusion.Windows.Forms.Tools.ThemedComboBoxStyles.Default Me.comboBoxBase1.Style = Syncfusion.Windows.Forms.VisualStyle.Default Me.comboDropDown1.Style = Syncfusion.Windows.Forms.VisualStyle.Default Me.multiSelectionComboBox1.ButtonStyle = ButtonAppearance.None Me.multiColumnComboBox1.Style = Syncfusion.Windows.Forms.VisualStyle.Default Me.fontComboBox1.VisualStyle = Syncfusion.Windows.Forms.Tools.ThemedComboBoxStyles.Default
Note:
You can also specify the Visual Styles for all the Syncfusion controls. Refer to the attached sample to specify the Visual Style to the controls.

Figure 2: Visual Style specified as Metro

Figure 3: Visual Style specified as Office2007

Figure 4: Visual Style specified as Office2010

Figure 5: Visual Style specified as Default