You can’t clear the contents of a MaskEdBox control by setting the Text property to a null string if the MaskEdBox’s Mask property contains delimiter. In fact, you must include those separators in the value you assign to the Text property, otherwise you get Error 380 – Invalid property value.
A simpler way to clear the contents of this control is to temporarily clear the Mask property, then assign a null string to the Text property, and finally restore the original Mask property, as in:
Private Sub cmdClear_Click() Dim tmp As String With MaskEdBox1 tmp = .Mask .Mask = "" .Text = "" .Mask = tmp End WithEnd Sub
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