如何判定errorprovider的显示状态
希望在点击buttonOK后,根据errorprovider有没有弹出错误,进行输出Message::box,“errorprovider对象隐藏”或者“errorprovider对象隐藏”
private: System::Void txtVersion_Leave(System::Object^ sender, System::EventArgs^ e)
{
Regex r_expired("^(\\d+\\.\\d+)$");//验证版本号
if(!r_expired.IsMatch(txtVersion->Text)&&txtVersion->Text!="")
{
errorTip->SetError(txtVersion, "X.YYY");
txtVersion->Focus();
txtVersion->SelectAll();
}
else
errorTip->Clear();
errorTip
}