test.ammy

alias MyTextBox(text) {
  TextBox { 
    
  }
}

Window "Ammy.Test.Workbench.MainWindow" {
  @MyTextBox("2") {
    PreviewTextInput: "NumberValidationTextBox" 
    Text: bind CustomWidth
    set [
      ValidationRules: [
        DoubleValidation {
          CanBeNull: "False"
          MinValue: "500"
          MaxValue: "6200"
          ValueName: "Width"
        }
      ]
    ]
  }
}