IsImage()

语法

Result = IsImage(#Image)
概要
Tests if the given image number is a valid and correctly initialized image.

参数

#Image The image to test.

返回值

Returns nonzero if #Image is a valid image and zero if not.

Remarks

This function is bulletproof and can be used with any value. This is the correct way to ensure an image is ready to use.

参阅

CreateImage(), LoadImage(), CatchImage(), CopyImage(), GrabImage()

已支持操作系统

所有

<- ImageWidth() - Image Index - LoadImage() ->