How do you make the Application window open when the dock icon is clicked?

Question

I\'m surprised this doesn\'t happen automatically, but I would like my applications window to open automatically when the Dock icon is clicked.

Just to clarify, when

Answer 1

- (BOOL)applicationShouldHandleReopen:(NSApplication *)theApplication hasVisibleWindows:(BOOL)flag
{
    if (flag) {
        return NO;
    }
    else
    {
       [YourWindow makeKeyAndOrderFront:self];// Window that you want open while click on dock app icon
        return YES;
    }
}