我有一个对话框，在显示时会随机闪烁。关于它为什么会这样做，似乎没有很多线索。它将闪烁几秒钟，然后停止，然后它会随机闪烁，等等。当它闪烁时，从遥控器到应用程序的输入延迟约为1秒。当闪烁停止时，它恢复到正常响应状态。还有其他人经历过这个吗？
dialog = createObject("roSGNode", "Dialog")
dialog.optionsDialog = true
dialog.titleColor = "0xffffff"
dialog.messageColor = "0xffffff"
dialog.dividerUri = ""
dialog.width = "900"
dialog.title = "Exit App"
dialog.message = "Are you sure you want to exit?"
dialog.buttons = ["Cancel","Exit"]
dialog.buttonGroup.minWidth = "40"
dialog.buttonGroup.maxWidth = "40"
dialog.buttonGroup.focusedIconUri = ""
dialog.buttonGroup.iconUri = ""
dialog.observeField("buttonSelected", "onExitDialogButtonClick")
m.top.dialog = dialog