CustomProperties throws an error

[PrzemyslawKlys]

As reported on Reddit: " One "Number" property was interpreted as VTDouble, although it's "68600". Added this handle and it works now."

internal WordCustomProperty(CustomDocumentProperty customDocumentProperty) {
    if (customDocumentProperty != null) {
        if (customDocumentProperty.VTInt32 != null) {
            this.Value = int.Parse(customDocumentProperty.VTInt32.Text);
            this.PropertyType = PropertyTypes.NumberInteger;
        } else if (customDocumentProperty.VTFileTime != null) {
            this.Value = DateTime.Parse(customDocumentProperty.VTFileTime.Text).ToUniversalTime();
            this.PropertyType = PropertyTypes.DateTime;
        } else if (customDocumentProperty.VTFloat != null) {
            this.Value = double.Parse(customDocumentProperty.VTFloat.Text);
            this.PropertyType = PropertyTypes.NumberDouble;
        } else if (customDocumentProperty.VTLPWSTR != null) {
            this.Value = customDocumentProperty.VTLPWSTR.Text;
            this.PropertyType = PropertyTypes.Text;
        } else if (customDocumentProperty.VTBool != null) {
            this.Value = bool.Parse(customDocumentProperty.VTBool.Text);
            this.PropertyType = PropertyTypes.YesNo;
        } else {
            throw new InvalidOperationException("Weird?");
        }
    }
}