The QMargins class defines the four margins of a rectangle. 更多...
The QMargins class defines the four margins of a rectangle.
QMargin defines a set of four margins; left, top, right and bottom, that describe the size of the borders surrounding a rectangle.
isNull () 函数返回 true only if all margins are set to zero.
QMargin objects can be streamed as well as compared.
Constructs a margins object with all margins set to 0.
另请参阅 isNull ().
Constructs margins with the given left , top , right , bottom
另请参阅 setLeft (), setRight (), setTop (),和 setBottom ().
Returns the bottom margin.
另请参阅 setBottom ().
Returns true if all margins are is 0; otherwise returns false.
Returns the left margin.
另请参阅 setLeft ().
Returns the right margin.
另请参阅 setRight ().
Sets the bottom margin to bottom .
另请参阅 bottom ().
Sets the left margin to left .
另请参阅 left ().
Sets the right margin to right .
另请参阅 right ().
Sets the Top margin to Top .
另请参阅 top ().
Returns the top margin.
另请参阅 setTop ().