qt绘制消息框_【Qt笔记】标准对话框消息对话框

消息对话框QMessageBox类提供一个模态对话框来通知用户一些信息&＃xff0c;或者向用户提出一个问题并获取答案。

#include

//question Dialog

int ret1 &＃61; QMessageBox::question(this, tr("Question Dialog"), tr("Do you know Qt?"),

QMessageBox::Yes,QMessageBox::No);

if(ret1 &＃61;&＃61; QMessageBox::Yes){

qDebug()<

}

//Information Dialog

int ret2 &＃61; QMessageBox::information(this, tr("Information Dialog"), tr("This is Qt!"),

QMessageBox::Ok);

if(ret2 &＃61;&＃61; QMessageBox::Ok){

qDebug()<

}

//Warning Dialog

int ret3 &＃61; QMessageBox::warning(this, tr("Warning Dialog"), tr("1111"),

QMessageBox::Abort);

if(ret3 &＃61;&＃61; QMessageBox::Abort) {

qDebug()<

}

//Critial Dialog

int ret4 &＃61; QMessageBox::critical(this, tr("Critial Dailog"), tr("Find a critial question!"),

QMessageBox::YesAll);

if(ret4 &＃61;&＃61; QMessageBox::YesAll) {

qDebug()<

}

//About Dialog

QMessageBox::about(this, tr("About Dialog"), tr("This is a About Dialog!"));

显示&＃xff1a;