setContentBorderThickness:forEdge 的问题：实际上并未设置该值
我正在尝试使用 setContentBorderThickness:forEdge: 在 Cocoa 应用程序中创建底部栏。
mipadi 发现了一些东西，但在测试它时，我认为这可能是一个稍微不同的问题：
-(void) adjustContentBorderBasedOnArrayControllerSelection{
if(([[self.resultsArrayController selectionIndexes] count] == 0)){
[[self window] setContentBorderThickness:40.0f forEdge:CGRectMinYEdge];
NSLog(@"%f", [[self window] contentBorderThicknessForEdge:CGRectMinYEdge]);
} else {
[[self window] setContentBorderThickness:60.0f forEdge:CGRectMinYEdge];
NSLog(@"%f", [[self window] contentBorderThicknessForEdge:CGRectMinYEdge]);
}
}
即使在我明确设置厚度值之后，这两个 NSLog() 消息也显示厚度值为 0.0。有人知道这是怎么回事吗？
I'm trying to use setContentBorderThickness:forEdge: to create a bottom bar in a Cocoa application.
mipadi was on to something, but in testing it out, I think maybe this is a slightly different problem:
-(void) adjustContentBorderBasedOnArrayControllerSelection{
if(([[self.resultsArrayController selectionIndexes] count] == 0)){
[[self window] setContentBorderThickness:40.0f forEdge:CGRectMinYEdge];
NSLog(@"%f", [[self window] contentBorderThicknessForEdge:CGRectMinYEdge]);
} else {
[[self window] setContentBorderThickness:60.0f forEdge:CGRectMinYEdge];
NSLog(@"%f", [[self window] contentBorderThicknessForEdge:CGRectMinYEdge]);
}
}
Both of those NSLog() messages show the thickness value is 0.0 even after I explicitly set it. Anyone know what's up with that?
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您可以使用
CGRectMinYEdge。 （在 64 位系统上，NSMinYEdge无论如何都会被#define转换为CGRectMinYEdge）。You can use
CGRectMinYEdge. (On 64-bit systems,NSMinYEdgeis#define'd asCGRectMinYEdgeanyway).您有没有检查过以确保 [self window] 不为零？您的插座设置正确吗？如果没有设置窗口的出口，我就会得到这种行为。
By any chance have you checked to make sure [self window] isn't nil? Do you have your outlet setup right? I get that behavior if the outlet to the window isn't set.