当你在使用Qt框架时遇到错误 "class contains q_object macro but does not inherit from qobject",这通常意味着你的类虽然包含了Q_OBJECT宏,但并未从QObject或其子类继承。这个宏是Qt元对象系统的一部分,它允许对象进行信号和槽的通信、属性系统、动态类型信息等功能,但仅当类继承自QObject时才有效。 下面是一...
TDN_CREATED Not used. Not used. TDN_NAVIGATED Not used. Not used. TDN_BUTTON_CLICKED The command button control ID. Not used. TDN_HYPERLINK_CLICKED Not used. A LPCWSTR structure that contains the link. TDN_TIMER Time in milliseconds since the CTaskDialog was created or the timer was reset...
Gets all extended attributes (attributes not defined in the schema) of the current element. (Inherited from OpenXmlElement) Features Gets a IFeatureCollection for the current element. This feature collection will be read-only, but will inherit features from its parent part and package if availa...
Query Contains Link to External Query File. This class is available in Office 2007 and above. When the object is serialized out as xml, it's qualified name is w:linkToQuery.C# 複製 public class LinkToQuery : DocumentFormat.OpenXml.Wordprocessing.OnOffType...
When the object is serialized out as xml, it's qualified name is xdr:from. C#複製 publicclassFromMarker:DocumentFormat.OpenXml.Drawing.Spreadsheet.MarkerType Remarks [ISO/IEC 29500-1 1st Edition] from (Starting Anchor Point) This element specifies the first anchor point for the drawi...
Public Slots inherited fromQObject Public Methods QUndoStack(QObject*parent=nullptr) ~QUndoStack() voidbeginMacro(constQString&text) boolcanRedo() const boolcanUndo() const intcleanIndex() const voidclear() constQUndoCommand*command(int index) const ...
It is very fast, but is not what a human would expect; the QString::localeAwareCompare() function is a better choice for sorting user-interface strings. To obtain a pointer to the actual character data, call data() or constData(). These functions return a pointer to the beginning of ...
It is very fast, but is not what a human would expect; the QString::localeAwareCompare() function is a better choice for sorting user-interface strings.To obtain a pointer to the actual character data, call data() or constData(). These functions return a pointer to the beginning of the...
Gets all extended attributes (attributes not defined in the schema) of the current element. (Inherited from OpenXmlElement) Features Gets a IFeatureCollection for the current element. This feature collection will be read-only, but will inherit features from its parent part and package if availa...
QI am using a class that contains a static member variable. Objects of this class are used in a multithreaded program. Would all the objects in this multithreaded program access the same static variable, or does each thread have its own copy?