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Checks the value contained in the control.
public abstract bool CheckValue(Control control, Tag tag, ref string errorMessage)
Public MustOverride Function CheckValue(control As Control, tag As Tag, ByRef errorMessage As String) As Boolean
| Type | Name | Description |
|---|---|---|
| Control | control | The control used to enter the value. |
| Tag | tag | The Tag to which the value is to be assigned. |
| string | errorMessage | The error message, assigned if the check fails. |
| Type | Description |
|---|---|
| bool | True if the value is valid, false otherwise. |