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iOS & macOS Charting Documentation - SciChart iOS & macOS Charts SDK v4.x
SCIUpdateSuspender
@interface SCIUpdateSuspender : SCIDisposableBase <ISCIUpdateSuspender>A disposable class which allows nested suspend/resume operations on an ISCISuspendable target.
-
Initializes a new instance of the
SCIUpdateSuspenderclass.Declaration
Objective-C
- (nonnull instancetype)initWithTarget:(nonnull id<ISCISuspendable>)target;Swift
init(target: any ISCISuspendable)Parameters
targetThe target instance.
-
Gets a value indicating whether updates for this instance are currently suspended.
Declaration
Objective-C
+ (BOOL)isTargetSuspended:(nonnull id<ISCISuspendable>)target;Swift
class func isTargetSuspended(_ target: any ISCISuspendable) -> BoolParameters
targetTarget to check.
Return Value
YES if target’s updates are suspended.
-
Helper method which suspend updates on target instance while runnable is executing.
Declaration
Objective-C
+ (void)usingWithSuspendable:(nonnull id<ISCISuspendable>)suspendable withBlock:(nonnull SCIAction)block;Swift
class func usingWith(_ suspendable: any ISCISuspendable, with block: @escaping SCIAction)Parameters
suspendableThe
ISCISuspendablewhich need to suspend before running runnable.blockThe
SCIActionto run code of changing state of target is suspended. -
Gets a value indicating whether updates for this instance are currently suspended.
Declaration
Objective-C
+ (nonnull NSMapTable<id<ISCISuspendable>, NSNumber *> *)suspendedInstances;Swift
class func suspendedInstances() -> NSMapTable<any ISCISuspendable, NSNumber>Return Value
List of suspended instances.