HarmonyOS 鸿蒙Next CustomDialogController 弹出多次如何修改每次的offset

目前自定义弹窗的所有参数，暂不支持动态刷新。

可以先参考以下demo:

import { BusinessError } from '@ohos.base';

import { ComponentContent } from "@ohos.arkui.node";

class Params {

  text: string = ""

  constructor(text: string) {

    this.text = text;

  }

}

@Builder

function buildText(params: Params) {

  Column() {

    Text(params.text)

      .fontSize(50)

      .fontWeight(FontWeight.Bold)

      .margin({bottom: 36})

  }.backgroundColor('#FFF0F0F0')

}

@Entry

@Component

struct Index {

  @State message: string = "hello"

  build() {

    Row() {

      Column() {

        Button("click me")

          .onClick(() => {

            let uiContext = this.getUIContext();

            let promptAction = uiContext.getPromptAction();

            let contentNode = new ComponentContent(uiContext, wrapBuilder(buildText), new Params(this.message));

            try {

              promptAction.openCustomDialog(contentNode);

            } catch (error) {

              let message = (error as BusinessError).message;

              let code = (error as BusinessError).code;

              console.error(OpenCustomDialog args error code is ${code}, message is ${message});

            };

            setTimeout(() => {

              try {

                promptAction.updateCustomDialog(contentNode, { alignment: DialogAlignment.CenterEnd });

              } catch (error) {

                let message = (error as BusinessError).message;

                let code = (error as BusinessError).code;

                console.error(updateCustomDialog args error code is ${code}, message is ${message});
              };
            },2000);   //2秒后自动更新弹窗位置

          })
      }
      .width('100%')
      .height('100%')
    }
    .height('100%')
  }
}

具体可参考链接如下： https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/reference/apis-arkui/js-apis-arkui-UIContext.md#updatecustomdialog12

demo中的updateCustomDialog可以更新已弹出的dialogContent对应的自定义弹窗的样式，demo中具体效果是点击按钮弹出弹窗，2秒后自动更新弹窗位置，要用最新版本运行。