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Miraplacid Text Driver SDK 2009: Installer Reference

 

Miraplacid Text Driver SDK Installer Component Reference


Miraplacid Text Driver Installer Component


Miraplacid Text Driver SDK Edition can be installed from special Installer Component.
This is self-extracting DLL file which can be used from external setup utility. This file is not present in the package; it could be generated with special utility, Setup Maker. Installer component exposes two kind of interfaces: DLL exported funstions (API) and COM interface. COM interface allows extenal program to have detailed information about installation process.
COM parameters are: coclass MTDSsetup (Miraplacid.MTDSetup {8BB15E2B-71EC-4c7d-BA6B-3C913DC3E1A7}). It contains two interfaces: IMTDSetup {CD78360C-D3BA-4b0b-BC53-F008ECBF4F0F}, the main interface, and connection point interface _IMTDSetupEvents {EA50BBB8-9FF4-4731-A670-28BCBA417BCC} for installation events from Installer component to external software.

Examples of setup utility are located at examples.vb\setupui and examples.net\MTD_SE_Setup folders at this package.

Miraplacid Text Driver Installer Component Reference


IMTDSetup interface

Property Type Description
Installed Number (Read Only) 1 if Text Driver SE installed, 0 if not installed.
Method Parameters Description
Install String location, Number permissions Installs Text Driver SE to specified location. Some events will be generated during the process. "Permissions" parameter is unused in this version.
Uninstall None Uninstalls Text Driver SE. Some events will be generated during the process.
AddPrinter String Installs additional printer named by String to Text Driver drivers collection.
DeletePrinter String Removes additional printer named by String from Text Driver drivers collection.
EnumerateAdditionalPrinters returns String Returns additional printers belongs to appropriate driver collection. Resulting string is a comma separated values string.

_IMTDSetupEvents interface

Event Parameters Description
OnProgress Number This event informs external software about installation/uninstallation progress. Value is in range 0 - 100.
OnWarning Number code, String message Raises when non-critical event is occured. External software may ignore this event and continue.
OnError Number code, String message Raises when critical error is happened. Further processing is impossible.
If this occured during installation, rollback will be performed - all installed components will be removed. During rollback, OnProgress will be called with decreasing value.
Code is internal Miraplacid value; it is provided for informational purposes.
OnQuestion String question, returns Number Raises when some necessary resource is locked by user application. Event handler could try to unlock the resource (for example, pop up a dialog box to user with the message to let him shutdown that process).
If handler returns 0, process will be cancelled. If it returns 1, installer will try to use the resource again.

Functional interface (API)

Function Parameters Description
MTDInstall const wchar *location, long permissions Installs Text Driver SE to specified location. There is no way to obtain progress and error information. "Permissions" parameter is unused in this version.
MTDUninstall void Uninstalls Text Driver SE. There is no way to obtain progress and error information.
MTDAddPrinter const wchar * Installs additional printer to Text Driver drivers collection.
MTDDeletePrinter const wchar * Removes additional printer from Text Driver drivers collection.
MTDDeletePrinter const wchar * Removes additional printer from Text Driver drivers collection.
MTDEnumerateAdditionalPrinters wchar *buf, unsigned long buflen Enumerates additional printers as shown above and puts resulting string to buffer buf. If more memory needed to fit enumeration, function returns E_OUTOFMEMORY.

See also:

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