IEngine Interface

High level abstraction over the «see T:WixToolset.Mba.Core.IBootstrapperEngine» interface.

Methods

Method	Description
Apply(hwndParent)	Install the packages.
CloseSplashScreen()	Close the splash screen if it is still open. Does nothing if the splash screen is not or never was opened.
CompareVersions()
ContainsVariable(name)	Checks if a variable exists in the engine.
Detect()	Determine if all installation conditions are fulfilled.
Detect(hwndParent)	Determine if all installation conditions are fulfilled.
Elevate(hwndParent)	Elevate the install.
EscapeString(input)	Escapes the input string.
EvaluateCondition(condition)	Evaluates the condition string.
FormatString(format)	Formats the input string.
GetRelatedBundleVariable(bundleId, name)	Gets persisted variables from a related bundle.
GetVariableNumeric(name)	Gets numeric variables for the engine.
GetVariableSecureString(name)	Gets string variables for the engine using SecureStrings.
GetVariableString(name)	Gets string variables for the engine.
GetVariableVersion(name)	Gets «see T:System.Version» variables for the engine.
LaunchApprovedExe(hwndParent, approvedExeForElevationId, arguments)	Launches a preapproved executable elevated. As long as the engine already elevated, there will be no UAC prompt.
LaunchApprovedExe(hwndParent, approvedExeForElevationId, arguments, waitForInputIdleTimeout)	Launches a preapproved executable elevated. As long as the engine already elevated, there will be no UAC prompt.
Log(level, message)	Logs the message .
Plan(action)	Determine the installation sequencing and costing.
Quit(exitCode)	Shuts down the engine.
SendEmbeddedError(errorCode, message, uiHint)	Sends error message when embedded.
SendEmbeddedProgress(progressPercentage, overallPercentage)	Sends progress percentages when embedded.
SetDownloadSource(packageOrContainerId, payloadId, url, user, password)	Set the new download URL for a package or container.
SetLocalSource(packageOrContainerId, payloadId, path)	Set the local source for a package or container.
SetUpdate(localSource, downloadSource, size, hashType, hash)	Set the update information for a bundle.
SetUpdateSource(url)	Sets the URL to the update feed.
SetVariableNumeric(name, value)	Sets numeric variables for the engine.
SetVariableString(name, value, formatted)	Sets string variables for the engine using SecureStrings.
SetVariableString(name, value, formatted)	Sets string variables for the engine.
SetVariableVersion(name, value)	Sets version variables for the engine.

Properties

Property	Description
PackageCount	Gets the number of packages in the bundle.
WixToolset.Mba.Core.dll version 4.0.5+b9b2f1b4c69a1b509d487dc950b30b4ec9b0d040

Apply(hwndParent) Method

Install the packages.

Declaration

public void Apply(
  IntPtr hwndParent
)

Parameters

Parameter	Type	Description
hwndParent	IntPtr	The parent window for the installation user interface.

CloseSplashScreen() Method

Close the splash screen if it is still open. Does nothing if the splash screen is not or never was opened.

Declaration

public void CloseSplashScreen()

CompareVersions() Method

Declaration

public int CompareVersions()

Return value

int 0 if equal, 1 if version1 {’>’} version2, -1 if version1 {’<’} version2

ContainsVariable(name) Method

Checks if a variable exists in the engine.

Declaration

public bool ContainsVariable(
  string name
)

Parameters

Parameter	Type	Description
name	string	The name of the variable.

Return value

bool Whether the variable exists.

Detect() Method

Determine if all installation conditions are fulfilled.

Declaration

public void Detect()

Detect(hwndParent) Method

Determine if all installation conditions are fulfilled.

Declaration

public void Detect(
  IntPtr hwndParent
)

Parameters

Parameter	Type	Description
hwndParent	IntPtr	The parent window for the installation user interface.

Elevate(hwndParent) Method

Elevate the install.

Declaration

public bool Elevate(
  IntPtr hwndParent
)

Parameters

Parameter	Type	Description
hwndParent	IntPtr	The parent window of the elevation dialog.

Return value

bool true if elevation succeeded; otherwise, false if the user cancelled.

Exceptions

Exception	Description
T:System.ComponentModel.Win32Exception	A Win32 error occurred.

EscapeString(input) Method

Escapes the input string.

Declaration

public string EscapeString(
  string input
)

Parameters

Parameter	Type	Description
input	string	The string to escape.

Return value

string The escaped string.

Exceptions

Exception	Description
T:System.ComponentModel.Win32Exception	A Win32 error occurred.

EvaluateCondition(condition) Method

Evaluates the condition string.

Declaration

public bool EvaluateCondition(
  string condition
)

Parameters

Parameter	Type	Description
condition	string	The string representing the condition to evaluate.

Return value

bool Whether the condition evaluated to true or false.

FormatString(format) Method

Formats the input string.

Declaration

public string FormatString(
  string format
)

Parameters

Parameter	Type	Description
format	string	The string to format.

Return value

string The formatted string.

Exceptions

Exception	Description
T:System.ComponentModel.Win32Exception	A Win32 error occurred.

GetRelatedBundleVariable(bundleId, name) Method

Gets persisted variables from a related bundle.

Declaration

public string GetRelatedBundleVariable(
  string bundleId,
  string name
)

Parameters

Parameter	Type	Description
bundleId	string	The BundleId of the related bundle.
name	string	The name of the variable.

GetVariableNumeric(name) Method

Gets numeric variables for the engine.

Declaration

public System.Int64 GetVariableNumeric(
  string name
)

Parameters

Parameter	Type	Description
name	string	The name of the variable.

GetVariableSecureString(name) Method

Gets string variables for the engine using SecureStrings.

Declaration

public System.Security.SecureString GetVariableSecureString(
  string name
)

Parameters

Parameter	Type	Description
name	string	The name of the variable.

GetVariableString(name) Method

Gets string variables for the engine.

Declaration

public string GetVariableString(
  string name
)

Parameters

Parameter	Type	Description
name	string	The name of the variable.

GetVariableVersion(name) Method

Gets «see T:System.Version» variables for the engine.

Declaration

public string GetVariableVersion(
  string name
)

Parameters

Parameter	Type	Description
name	string	The name of the variable.

LaunchApprovedExe(hwndParent, approvedExeForElevationId, arguments) Method

Launches a preapproved executable elevated. As long as the engine already elevated, there will be no UAC prompt.

Declaration

public void LaunchApprovedExe(
  IntPtr hwndParent,
  string approvedExeForElevationId,
  string arguments
)

Parameters

Parameter	Type	Description
hwndParent	IntPtr	The parent window of the elevation dialog (if the engine hasn’t elevated yet).
approvedExeForElevationId	string	Id of the ApprovedExeForElevation element specified when the bundle was authored.
arguments	string	Optional arguments.

LaunchApprovedExe(hwndParent, approvedExeForElevationId, arguments, waitForInputIdleTimeout) Method

Launches a preapproved executable elevated. As long as the engine already elevated, there will be no UAC prompt.

Declaration

public void LaunchApprovedExe(
  IntPtr hwndParent,
  string approvedExeForElevationId,
  string arguments,
  int waitForInputIdleTimeout
)

Parameters

Parameter	Type	Description
hwndParent	IntPtr	The parent window of the elevation dialog (if the engine hasn’t elevated yet).
approvedExeForElevationId	string	Id of the ApprovedExeForElevation element specified when the bundle was authored.
arguments	string	Optional arguments.
waitForInputIdleTimeout	int	Timeout in milliseconds. When set to something other than zero, the engine will call WaitForInputIdle for the new process with this timeout before calling OnLaunchApprovedExeComplete.

Log(level, message) Method

Logs the message .

Declaration

public void Log(
  LogLevel level,
  string message
)

Parameters

Parameter	Type	Description
level	LogLevel	The logging level.
message	string	The message to log.

Plan(action) Method

Determine the installation sequencing and costing.

Declaration

public void Plan(
  LaunchAction action
)

Parameters

Parameter	Type	Description
action	LaunchAction	The action to perform when planning.

Quit(exitCode) Method

Shuts down the engine.

Declaration

public void Quit(
  int exitCode
)

Parameters

Parameter	Type	Description
exitCode	int	Exit code indicating reason for shut down.

SendEmbeddedError(errorCode, message, uiHint) Method

Sends error message when embedded.

Declaration

public int SendEmbeddedError(
  int errorCode,
  string message,
  int uiHint
)

Parameters

Parameter	Type	Description
errorCode	int	Error code.
message	string	Error message.
uiHint	int	UI buttons to show on error dialog.

SendEmbeddedProgress(progressPercentage, overallPercentage) Method

Sends progress percentages when embedded.

Declaration

public int SendEmbeddedProgress(
  int progressPercentage,
  int overallPercentage
)

Parameters

Parameter	Type	Description
progressPercentage	int	Percentage completed thus far.
overallPercentage	int	Overall percentage completed.

SetDownloadSource(packageOrContainerId, payloadId, url, user, password) Method

Set the new download URL for a package or container.

Declaration

public void SetDownloadSource(
  string packageOrContainerId,
  string payloadId,
  string url,
  string user,
  string password
)

Parameters

Parameter	Type	Description
packageOrContainerId	string	The id that uniquely identifies the package or container.
payloadId	string	The id that uniquely identifies the payload.
url	string	The new url.
user	string	The user name for proxy authentication.
password	string	The password for proxy authentication.

SetLocalSource(packageOrContainerId, payloadId, path) Method

Set the local source for a package or container.

Declaration

public void SetLocalSource(
  string packageOrContainerId,
  string payloadId,
  string path
)

Parameters

Parameter	Type	Description
packageOrContainerId	string	The id that uniquely identifies the package or container.
payloadId	string	The id that uniquely identifies the payload.
path	string	The new source path.

SetUpdate(localSource, downloadSource, size, hashType, hash) Method

Set the update information for a bundle.

Declaration

public void SetUpdate(
  string localSource,
  string downloadSource,
  System.Int64 size,
  UpdateHashType hashType,
  string hash
)

Parameters

Parameter	Type	Description
localSource	string	Optional local source path for the update. Default is “update[OriginalNameOfBundle].exe”.
downloadSource	string	Optional download source for the update.
size	System.Int64	Size of the expected update.
hashType	UpdateHashType	Type of the hash expected on the update.
hash	string	Optional hash expected for the update.

SetUpdateSource(url) Method

Sets the URL to the update feed.

Declaration

public void SetUpdateSource(
  string url
)

Parameters

Parameter	Type	Description
url	string	URL of the update feed.

SetVariableNumeric(name, value) Method

Sets numeric variables for the engine.

Declaration

public void SetVariableNumeric(
  string name,
  System.Int64 value
)

Parameters

Parameter	Type	Description
name	string	The name of the variable.
value	System.Int64	The value to set.

SetVariableString(name, value, formatted) Method

Sets string variables for the engine using SecureStrings.

Declaration

public void SetVariableString(
  string name,
  System.Security.SecureString value,
  bool formatted
)

Parameters

Parameter	Type	Description
name	string	The name of the variable.
value	System.Security.SecureString	The value to set.
formatted	bool	False if the value is a literal string.

SetVariableString(name, value, formatted) Method

Sets string variables for the engine.

Declaration

public void SetVariableString(
  string name,
  string value,
  bool formatted
)

Parameters

Parameter	Type	Description
name	string	The name of the variable.
value	string	The value to set.
formatted	bool	False if the value is a literal string.

SetVariableVersion(name, value) Method

Sets version variables for the engine.

Declaration

public void SetVariableVersion(
  string name,
  string value
)

Parameters

Parameter	Type	Description
name	string	The name of the variable.
value	string	The value to set.

PackageCount Property

Gets the number of packages in the bundle.

Declaration

public int PackageCount { get; set; }