accept addContext autoClosedOnTransactionChange buttonPosition canClose clicked closed emitDestructionSignal getDialogContent getDocumentId getStandardButtons helpRequested IButtonPosition isAllowedAlterDocument isAllowedAlterSelection isAllowedAlterView isAutoCloseOnTransactionChange isEscapeButtonEnabled ITaskDialog modifyStandardButtons needsFullSpace open reject setAutoCloseOnTransactionChange setButtonPosition setDocumentId setEscapeButtonEnabled ~ITaskDialog

canClose() bool canClose ( ) const 检查对话框是否可以关闭 检查对话框是否可以关闭 返回 布尔值，返回true，对话框可以关闭；返回false，对话框不可以关闭