Interface Builder 插件加载时图像检查器属性问题
我创建了一个显示图像的自定义 NSView。
我在检查器视图中创建了一个属性，并绑定到文件的所有者。
在运行时图像更改中一切正常。 但是当我保存和加载 xib 文件时没有加载任何内容。
这是简化的代码：
IBDocument *document = [IBDocument documentForObject:self];
[self->defaultImage release];
self->defaultImage = [document documentImageNamed:aImage];
[self->defaultImage setName:aImage];
[self->defaultImage retain];
[document documentImageNamed:aImage] 在运行时返回一个 NSImage，但是当从文件加载时它返回 nil
尽管 NSImageWell 在运行时和以下情况下工作正常从编码器初始化。
我缺少什么？
谢谢。
i have created a custom NSView that displays an image.
i have created a property in Inspector view with binding to File's Owner.
Everything works fine in runtime image changing.
But nothing is loaded when i save and load xib file.
here is the simplified code:
IBDocument *document = [IBDocument documentForObject:self];
[self->defaultImage release];
self->defaultImage = [document documentImageNamed:aImage];
[self->defaultImage setName:aImage];
[self->defaultImage retain];
The [document documentImageNamed:aImage] returns an NSImage in runtime, but when loading from file it return nil
though the NSImageWell works fine in runtime and when initialized from coder.
What i'm missing?
Thans.
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您必须为自定义对象实现 NSCoding 协议。
http://开发人员。 apple.com/library/mac/#documentation/Cocoa/Reference/Foundation/Protocols/NSCoding_Protocol/Reference/Reference.html
You must implement NSCoding protocol for you custom object.
http://developer.apple.com/library/mac/#documentation/Cocoa/Reference/Foundation/Protocols/NSCoding_Protocol/Reference/Reference.html