如何修改以編程方式插入Cocoa NSButton的類和文件？

Question

如何修改以及通過編程插入avCocoa NSButton？ （適用於Mac的不是iPhone）

我曾嘗試以下，但它不工作：（的東西不是一個結構或聯合申請成員「意見」）

- (void)windowControllerDidLoadNib:(NSWindowController *) aController 
{ 
    [super windowControllerDidLoadNib:aController]; 
    // Add any code here that needs to be executed once the windowController has loaded the document's window. 
    NSButton *btn = [NSButton alloc]; 
    [self.view addSubview:btn]; 
} 

Answer 1

你必須將其添加到窗口的內容視圖。

- (void)windowControllerDidLoadNib:(NSWindowController *)aController { 
    [super windowControllerDidLoadNib:aController]; 

    // Get our content view. 
    NSView *contentView = aController.window.contentView; 

    // Create the rectangle in which to place the button. 
    NSRect buttonFrame = NSMakeRect(0, 0, 100, 25); 
    buttonFrame.origin.x = round((contentView.frame.size.width-buttonFrame.size.width)/2); 
    buttonFrame.origin.y = round((contentView.frame.size.height buttonFrame.size.height)/2); 

    // Create and add the button. 
    NSButton *button = [[[NSButton alloc] initWithFrame:buttonFrame] autorelease]; 
    [button setBezelStyle:NSRoundedBezelStyle]; 
    [contentView addSubview:button];  
}