CodeSign

If set to a file path, this property logs the LastErrorText of each Chilkat method or property call to the specified file. This logging helps identify the context and history of Chilkat calls leading up to any crash or hang, aiding in debugging.

Enabling the VerboseLogging property provides more detailed information. This property is mainly used for debugging rare instances where a Chilkat method call causes a hang or crash, which should generally not happen.

Possible causes of hangs include:

• A timeout property set to 0, indicating an infinite timeout.
• A hang occurring within an event callback in the application code.
• An internal bug in the Chilkat code causing the hang.

Specifies the approximate interval, in milliseconds, between AbortCheck event callbacks during supported operations. An event handler can request that the current operation be aborted.

The default is 0, which disables AbortCheck callbacks. Setting a positive value enables periodic callbacks when an operation is sufficiently long-running; methods that finish quickly may complete without generating one.

This property is mainly used in SQL Server stored procedures to retrieve binary data from the last method call that returned binary data. It is only accessible if Chilkat.Global.KeepBinaryResult is set to 1. This feature allows for the retrieval of large varbinary results in an SQL Server environment, which has restrictions on returning large data via method calls, though temp tables can handle binary properties.

Provides HTML-formatted information about the last called method or property. If a method call fails or behaves unexpectedly, check this property for details. Note that information is available regardless of the method call's success.

Provides plain text information about the last called method or property. If a method call fails or behaves unexpectedly, check this property for details. Note that information is available regardless of the method call's success.

Provides XML-formatted information about the last called method or property. If a method call fails or behaves unexpectedly, check this property for details. Note that information is available regardless of the method call's success.

Indicates the success or failure of the most recent method call: 1 means success, 0 means failure. This property remains unchanged by property setters or getters. This method is present to address challenges in checking for null or Nothing returns in certain programming languages. Note: This property does not apply to methods that return integer values or to boolean-returning methods where the boolean does not indicate success or failure.

In SQL Server stored procedures, this property holds the string return value of the most recent method call that returns a string. It is accessible only when Chilkat.Global.KeepStringResult is set to TRUE. SQL Server has limitations on string lengths returned from methods and properties, but temp tables can be used to access large strings.

The length, in characters, of the string contained in the LastStringResult property.

Provides a comma-separated list of specialized compatibility or validation options. The default is an empty string, which is appropriate for normal use.

If set to 1, then the contents of LastErrorText (or LastErrorXml, or LastErrorHtml) may contain more verbose information. The default value is 0. Verbose logging should only be used for debugging. The potentially large quantity of logged information may adversely affect peformance.

Version of the component/library, such as "10.1.0"

Adds a Microsoft Authenticode signature to the Windows executable or DLL specified by path. The file is modified in place. cert supplies the code-signing certificate and must provide access to its associated private key. options supplies the signing configuration as JSON.

Common options options include:

{
  "hashAlg": "sha256",
  "timestampToken": {
    "enabled": true,
    "tsaUrl": "http://timestamp.example.com",
    "requestTsaCert": true,
    "hashAlg": "sha256"
  }
}

Returns 1 for success, 0 for failure.

Creates an asynchronous task to call the AddSignature method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

Retrieves the X.509 signer certificate discovered by the most recent call to VerifySignature on this CodeSign object. If the certificate is fully available, cert is loaded with it and the method returns 1. Otherwise, the method returns 0.

The returned object contains the public certificate only; it does not provide the signer's private key. Call this method after VerifySignature and use the same CodeSign instance.

Returns 1 for success, 0 for failure.

Removes the embedded Authenticode signature from the Windows executable or DLL specified by path. The file is modified in place. Returns 1 if the signature is successfully removed; otherwise returns 0.

Returns 1 for success, 0 for failure.

Verifies the embedded Microsoft Authenticode signature of the Windows executable or DLL specified by path. Structured information about the signature, signer, certificate chain, digest algorithms, timestamp, and validation result is written to sigInfo.

Returns 1 when the signature satisfies the applicable Authenticode validation checks under the current Windows trust configuration. This includes confirming that the signed portions of the file have not changed and evaluating the signing certificate and timestamp information, as applicable. An unsigned file or a signature that does not validate causes the method to return 0. Inspect sigInfo and LastErrorText for details.

Returns 1 for success, 0 for failure.

Enables a method call to be aborted by triggering the AbortCheck event at intervals defined by the HeartbeatMs property. If HeartbeatMs is set to its default value of 0, no events will occur. For instance, set HeartbeatMs to 200 to trigger 5 AbortCheck events per second.

VB6 Event callback implementation:

Important: Event callbacks from asynchronous method calls are generally not possible from the ActiveX. See VB6 Event Callbacks

Dim WithEvents myCodesign As ChilkatCodeSign

Private Sub myCodesign_AbortCheck(abort As Long)

	'Insert application code here.

End Sub

This provides the percentage completion for any method involving network communications or time-consuming processing, assuming the progress can be measured as a percentage. This event is triggered only when it's possible and logical to express the operation's progress as a percentage. The pctDone argument will range from 1 to 100. For methods that finish quickly, the number of PercentDone callbacks may vary, but the final callback will have pctDone equal to 100. For longer operations, callbacks will not exceed one per percentage point (e.g., 1, 2, 3, ..., 98, 99, 100).

The PercentDone callback also acts as an AbortCheck event. For fast methods where PercentDone fires, an AbortCheck event may not trigger since the PercentDone callback already provides an opportunity to abort. For longer operations, where time between PercentDone callbacks is extended, AbortCheck callbacks enable more responsive operation termination.

To abort the operation, set the abort output argument to 1. This will cause the method to terminate and return a failure status or corresponding failure value.

VB6 Event callback implementation:

Important: Event callbacks from asynchronous method calls are generally not possible from the ActiveX. See VB6 Event Callbacks

Dim WithEvents myCodesign As ChilkatCodeSign

Private Sub myCodesign_PercentDone(ByVal pctDone As Long, abort As Long)

	'Insert application code here.

End Sub

This event callback provides tag name/value pairs that detail what occurs during a method call. To discover existing tag names, create code to handle the event, emit the pairs, and review them. Most tag names are self-explanatory.

Note: Some Chilkat methods don't fire any ProgressInfo events.

VB6 Event callback implementation:

Important: Event callbacks from asynchronous method calls are generally not possible from the ActiveX. See VB6 Event Callbacks

Dim WithEvents myCodesign As ChilkatCodeSign

Private Sub myCodesign_ProgressInfo(ByVal name As String, ByVal value As String)

	'Insert application code here.

End Sub

Called from the background thread when an asynchronous task completes.

VB6 Event callback implementation:

Important: Event callbacks from asynchronous method calls are generally not possible from the ActiveX. See VB6 Event Callbacks

Dim WithEvents myCodesign As ChilkatCodeSign

Private Sub myCodesign_TaskCompleted(task As ChilkatTask)

	'Insert application code here.

End Sub