ComboBox Class
Displays a combobox that contains a drop-down list of items.
Namespace: elsystem.windows.forms
Properties
Additional
properties, methods, and events are described in the classes listed
under Inheritance Hierarchy (see below).
| Name | Type | Description | |
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Count | int | Gets the number of items in the combobox list. |
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DropDownHeight | int | Gets or sets the height of the combobox. |
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DropDownStyle | enum | Gets or sets the style of the combobox. See ComboBoxStyle for a list of possible values. |
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DropDownWidth | int | Gets or sets the width of the combobox. |
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FlatStyle | enum | Gets or sets the flat style appearance of the combobox. See FlatStyle for a list of possible values. |
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Item [index ] | string | Gets or sets the item at the specified index. |
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SelectedIndex | int | Gets or sets the index of the selected combobox item. |
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SelectedItem | object | Gets the selected item from the ComboBox list. |
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SelectedText | string | Gets or sets the text that is selected in the editable portion of a combobox. |
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Sorted | bool | Sets or gets a value indicating if combobox items are sorted. |
Additional
properties, methods, and events are described in the classes listed
under Inheritance Hierarchy (see below).
Methods
| Name | Description | |
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AddItem(string) | Adds a new combobox item using the provided text string. |
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Clear | Clears the contents from the combobox. |
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Create | Initializes a new instance of a combobox. |
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Create(text,width,height) | Initializes a new instance of a combobox. Parameters include the default Text to appear in the combo box followed the Width and Height of the control. |
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FindStringvalue) | Finds the first item in the combo box that starts with the specified string value. The search is not case sensitive. |
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FindString(value,index) | Finds the first item in the combo box that starts with the specified string value starting after the specified index. The search is not case sensitive. |
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FindStringExact(value) | Finds the first item in the comb box that exactly matches the specified string value. The search is case sensitive. |
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GetItem(index) | Gets the item at the specified index position. |
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RemoveItem(index) | Removes an item from the combo box at the index position. |
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SetItem(index, value) | Sets the item at the specified index position to the specified string value. |
Events
| Name | Description | |
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DropDown |
Occurs when the drop down portion of the combobox is shown. See EventArgs for the properties returned the handler's args parameter. |
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KeyDown |
Occurs when a combobox is selected and a key on the keyboard is pressed down. See KeyEventArgs for the properties returned by the handler's args parameter. |
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KeyPress |
Occurs when a combobox is selected and a key on the keyboard is pressed. See KeyEventArgs for the properties returned by the handler's args parameter. |
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KeyUp |
Occurs when a combobox is selected and a key on the keyboard is released. See KeyEventArgs for the properties returned by the handler's args parameter. |
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SelectedIndexChanged |
Occurs when a combobox item is selected or changed. See EventArgs for the properties returned by the handler's args parameter. |
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TextChanged |
Occurs when the value of the Text property changes. See EventArgs for the properties returned by the handler's args parameter. |