• io.qt.core.QVariant.Type. All Implemented Interfaces ... @Deprecated public static enum QVariant.Type extends Enum<QVariant.Type> implements QtEnumerator.
  • Without QVariant, this would be a problem for QObject.property () and for database work, etc. A QVariant object holds a single value of a single type () at a time.
  • QVariant(int i); QVariant(uint ui); QVariant(qlonglong ll); QVariant(qulonglong ull); QVariant(bool b); QVariant(double d); QVariant(float f) { d.is_null = false...
  • QVariant and qRegisterMetaType question. I have a class Pkg and I need to use it under form of QVariant.
  • QVariant is a versatile way to hold references to values of an unknown type, making it useful for creating APIs that can accept any type of reference.
  • 存储用到了QVariant QVariant::fromValue(const T &value) 或 void QVariant::setValue(const T &value)。
  • org.bytedeco.qt.Qt5Core. Class QVariant. ... QVariant(QByteArray bytearray). QVariant(QSize size). QVariant(QString string). QVariant(QVariant other).
  • 自定义类型和 QVariant 互相转换. 信号槽中使用自定义类型. QObject property 中使用自定义类型.
  • 87. inline QVariant qVariantFromValue(const T &); 88. 89. template<typename T>. 90. inline T qvariant_cast(const QVariant &)
  • The QVariant class acts like a union for the most common Qt data types. ... #include <qvariant.h>. List of all member functions.