Class GridComboBoxListBoxPart

Implements the list box that can be displayed in a drop-down window for a combo box. Handles autoscrolling and resize to fit contents.

Inheritance
System.Object
GridComboBoxListBoxPart
Namespace: Syncfusion.Windows.Forms.Grid
Assembly: Syncfusion.Shared.Base.dll
Syntax
public class GridComboBoxListBoxPart : ListBox

Constructors

GridComboBoxListBoxPart()

Initializes a new GridComboBoxListBoxPart control.

Declaration
public GridComboBoxListBoxPart()

Properties

BindingContext

Declaration
public override BindingContext BindingContext { get; set; }
Property Value
Type Description
System.Windows.Forms.BindingContext

DropDownRows

Gets / sets the preferred number of visible rows.

Declaration
public int DropDownRows { get; set; }
Property Value
Type Description
System.Int32

SelectedIndex

Declaration
public override int SelectedIndex { get; set; }
Property Value
Type Description
System.Int32

Methods

GetOptimalWidth()

Overloaded. Calculates optimal width for this list box based on current items.

Declaration
protected int GetOptimalWidth()
Returns
Type Description
System.Int32

The width in pixels large enough so that no item text needs to be clipped.

GetOptimalWidth(Graphics)

Calculates optimal width for this list box based on current items using a provided System.Drawing.Graphics object.

Declaration
protected virtual int GetOptimalWidth(Graphics g)
Parameters
Type Name Description
System.Drawing.Graphics g
Returns
Type Description
System.Int32

The width in pixels large enough so that no item text needs to be clipped.

OnLocationChanged(EventArgs)

Declaration
protected override void OnLocationChanged(EventArgs e)
Parameters
Type Name Description
System.EventArgs e

OnMouseDown(MouseEventArgs)

Declaration
protected override void OnMouseDown(MouseEventArgs e)
Parameters
Type Name Description
System.Windows.Forms.MouseEventArgs e

OnMouseMove(MouseEventArgs)

Declaration
protected override void OnMouseMove(MouseEventArgs e)
Parameters
Type Name Description
System.Windows.Forms.MouseEventArgs e

OnMouseUp(MouseEventArgs)

Declaration
protected override void OnMouseUp(MouseEventArgs e)
Parameters
Type Name Description
System.Windows.Forms.MouseEventArgs e

OnTimerEvent(Object, EventArgs)

Handles the System.Windows.Forms.Timer.Tick event of an internal timer that is started when the user has pressed the mouse down.

Declaration
protected virtual void OnTimerEvent(object sender, EventArgs e)
Parameters
Type Name Description
System.Object sender

The source of the event.>
System.EventArgs e

The System.EventArgs with event data.

SetBoundsCore(Int32, Int32, Int32, Int32, BoundsSpecified)

Declaration
protected override void SetBoundsCore(int x, int y, int width, int height, BoundsSpecified specified)
Parameters
Type Name Description
System.Int32 x
System.Int32 y
System.Int32 width
System.Int32 height
System.Windows.Forms.BoundsSpecified specified

WndProc(ref Message)

Declaration
protected override void WndProc(ref Message msg)
Parameters
Type Name Description
System.Windows.Forms.Message msg