SelectionStart Property

ComboBox.SelectionStart Property


Gets or sets the starting index of text selected in the combo box.

Namespace:   System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public int SelectionStart { get; set; }

Property Value

Type: System.Int32

The zero-based index of the first character in the string of the current text selection.

Exception Condition

The value is less than zero.

If no text is selected in the control, this property indicates the insertion point for new text. If you set this property to a location beyond the length of the text in the control, the selection start position is placed after the last character. When text is selected in the text box control, changing this property can release the value of the SelectionLength property. If the remaining text in the control after the position indicated by the SelectionStart property is less than the value of the SelectionLength property, the value of the SelectionLength property is automatically decreased. The value of the SelectionStart property never causes an increase in the SelectionLength property.


SelectionStart returns the lower value of the current selection. For example, Select(10, -4) selects the text from character position 6 through character position 10. If you now get the SelectionStart value, it will be 6 rather than 10.

.NET Framework
Available since 1.1
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