QtWin 名称空间

QtWin 名称空间包含各种 Windows 特定函数。更多...

头：	#include <QtWin>
qmake:	QT += winextras

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类型

enum	HBitmapFormat { HBitmapNoAlpha, HBitmapPremultipliedAlpha, HBitmapAlpha }
enum	WindowFlip3DPolicy { FlipDefault, FlipExcludeAbove, FlipExcludeBelow }

函数

void	setWindowFlip3DPolicy (QWidget * window , QtWin::WindowFlip3DPolicy policy )

详细描述

类型文档编制

enum QtWin:: HBitmapFormat

此枚举定义如何转换介于 HBITMAP and QPixmap 的履行。

常量	值	描述
`QtWin::HBitmapNoAlpha`	`0`	The alpha channel is ignored and always treated as being set to fully opaque. This is preferred if the `HBITMAP` is used with standard GDI calls, such as `BitBlt()` .
`QtWin::HBitmapPremultipliedAlpha`	`1`	The `HBITMAP` is treated as having an alpha channel and premultiplied colors. This is preferred if the `HBITMAP` is accessed through the `AlphaBlend()` GDI function.
`QtWin::HBitmapAlpha`	`2`	The `HBITMAP` is treated as having a plain alpha channel. This is the preferred format if the `HBITMAP` is going to be used as an application icon or a systray icon.

该枚举在 Qt 5.2 引入或被修改。

另请参阅 fromHBITMAP () 和 toHBITMAP ().

enum QtWin:: WindowFlip3DPolicy

此枚举类型指定 Flip3D 窗口策略。

常量	值	描述
`QtWin::FlipDefault`	`0`	Let the OS decide whether to include the window in the Flip3D rendering.
`QtWin::FlipExcludeAbove`	`2`	Exclude the window from Flip3D and display it above the Flip3D rendering.
`QtWin::FlipExcludeBelow`	`1`	Exclude the window from Flip3D and display it below the Flip3D rendering.

该枚举在 Qt 5.2 引入或被修改。

另请参阅 setWindowFlip3DPolicy ().

函数文档编制

void QtWin:: setWindowFlip3DPolicy ( QWidget * window , QtWin::WindowFlip3DPolicy policy )

This function overloads QtWin::setWindowFlip3DPolicy().

该函数在 Qt 5.2 引入。

内容

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函数
详细描述