Class GridComboBoxListBoxHelper
For internal use.
Inheritance
Namespace: Syncfusion.Windows.Forms.Grid
Assembly: Syncfusion.Grid.Windows.dll
Syntax
public class GridComboBoxListBoxHelper : ListBoxConstructors
GridComboBoxListBoxHelper()
Initializes the new instances of the GridComboBoxListBoxHelper class.
Declaration
public GridComboBoxListBoxHelper()Properties
BindingContext
Gets or sets the System.Windows.Forms.BindingContext for the control.
Declaration
public override BindingContext BindingContext { get; set; }Property Value
| Type | Description |
|---|---|
| System.Windows.Forms.BindingContext |
SelectedIndex
Gets or sets the zero-based index of the currently selected item in a list box.
Declaration
public override int SelectedIndex { get; set; }Property Value
| Type | Description |
|---|---|
| System.Int32 |
Methods
FindStringExact(String)
For internal use. Finds the exact string.
Declaration
public int FindStringExact(string s)Parameters
| Type | Name | Description |
|---|---|---|
| System.String | s | The text to search for. |
Returns
| Type | Description |
|---|---|
| System.Int32 | The zero-based index of the first item found; returns ListBox.NoMatches if no match is found. |
FindValue(Object)
For internal use. Finds the value.
Declaration
public int FindValue(object value)Parameters
| Type | Name | Description |
|---|---|---|
| System.Object | value | The value. |
Returns
| Type | Description |
|---|---|
| System.Int32 | returns the value |
GetItemCount()
For internal use. Gets the collection's count.
Declaration
public int GetItemCount()Returns
| Type | Description |
|---|---|
| System.Int32 | returns the ItemCount. |
GetItemText(Int32)
For internal use. Gets the item.
Declaration
public string GetItemText(int index)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | index | The index. |
Returns
| Type | Description |
|---|---|
| System.String | returns the ItemText |
GetItemText(Object)
Returns the text representation of the specified item.
Declaration
public string GetItemText(object item)Parameters
| Type | Name | Description |
|---|---|---|
| System.Object | item | The object from which to get the contents to display. |
Returns
| Type | Description |
|---|---|
| System.String | If the System.Windows.Forms.ListControl.DisplayMember property is not specified, the value returned by System.Windows.Forms.ListControl.GetItemText(System.Object) is the value of the item's ToString method. Otherwise, the method returns the string value of the member specified in the System.Windows.Forms.ListControl.DisplayMember property for the object specified in the |
GetItemValue(Int32)
For internal use. Gets the filtered item and property.
Declaration
public object GetItemValue(int index)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | index | The index. |
Returns
| Type | Description |
|---|---|
| System.Object | returns the ItemValue |
GetItemValue(Object)
For internal use.
Declaration
public object GetItemValue(object item)Parameters
| Type | Name | Description |
|---|---|---|
| System.Object | item | The object instance. |
Returns
| Type | Description |
|---|---|
| System.Object | returns the ItemValue |
OnCreateControl()
Throws the exception.
Declaration
protected override void OnCreateControl()OnDataSourceChanged(EventArgs)
Invoked when data source of the grid combo box has been changed.
Declaration
protected override void OnDataSourceChanged(EventArgs e)Parameters
| Type | Name | Description |
|---|---|---|
| System.EventArgs | e |
OnHandleDestroyed(EventArgs)
Overridden to be sure that items are set up and cleared out correctly. Inheriting controls should call base.OnHandleDestroyed.
Declaration
protected override void OnHandleDestroyed(EventArgs e)Parameters
| Type | Name | Description |
|---|---|---|
| System.EventArgs | e |
SetItemCore(Int32, Object)
Called the System.windows.Forms.ListBox.SetItemsCore method.
Declaration
protected override void SetItemCore(int index, object value)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | index | |
| System.Object | value |
SetItemsCore(IList)
Called the System.windows.Forms.ListBox.SetItemsCore method.
Declaration
protected override void SetItemsCore(IList items)Parameters
| Type | Name | Description |
|---|---|---|
| System.Collections.IList | items |