Image.IsAlphaPixelFormat(PixelFormat) 方法

定义

命名空间:
System.Drawing
程序集:
System.Drawing.Common.dll
程序集:
System.Drawing.dll
包:
System.Drawing.Common v11.0.0-preview.4.26230.115
Source:
Image.cs
Source:
Image.cs
Source:
Image.cs
Source:
Image.cs
Source:
Image.cs
Source:
Image.cs
Source:
Image.cs
Source:
Image.cs

返回一个值，该值指示此 Image 像素格式是否包含 alpha 信息。

public:
 static bool IsAlphaPixelFormat(System::Drawing::Imaging::PixelFormat pixfmt);
public static bool IsAlphaPixelFormat(System.Drawing.Imaging.PixelFormat pixfmt);
static member IsAlphaPixelFormat : System.Drawing.Imaging.PixelFormat -> bool
Public Shared Function IsAlphaPixelFormat (pixfmt As PixelFormat) As Boolean

参数

pixfmt
PixelFormat

要 PixelFormat 测试的。

返回

Boolean

true 如果包含 alpha 信息，则为 pixfmt ;否则为 false.

适用于