text輸入框只能輸入 正整數 或者 整數

            this.txtSafeCapacity.Name = "txtSafeCapacity";
            this.txtSafeCapacity.Properties.AllowNullInput = DevExpress.Utils.DefaultBoolean.True; //可以爲空
            this.txtSafeCapacity.Properties.Mask.EditMask = "[0-9]*"; //只能輸入正整數

            this.txtSafeCapacity.Properties.Mask.MaskType = DevExpress.XtraEditors.Mask.MaskType.RegEx;

            this.txtMaxCapacity.Name = "txtMaxCapacity";
            this.txtMaxCapacity.Properties.AllowNullInput = DevExpress.Utils.DefaultBoolean.True;
            this.txtMaxCapacity.Properties.Mask.EditMask = "[0-9]+\\.[0-9]*"; //只能輸入正數

            this.txtCoordinateY.Properties.Mask.EditMask = "([\\-]?{1}[0-9]+\\.[0-9]*) | ([0-9]+\\.[0-9]*)";  //正數、負數、零

            this.txtMaxCapacity.Properties.Mask.MaskType = DevExpress.XtraEditors.Mask.MaskType.RegEx;

            this.txtWeight.Properties.AllowNullInput = DevExpress.Utils.DefaultBoolean.True; //可以爲空
            this.txtWeight.Properties.Mask.EditMask = "[0-9]*\\.{0,1}[0-9]{1,4}"; //最多保留4位小數
            this.txtWeight.Properties.Mask.MaskType = DevExpress.XtraEditors.Mask.MaskType.RegEx;