Introduction

The LEADTOOLS VCL Main Package contains custom controls developed by LEAD Technologies, Inc. These controls are the LEAD Main VCL Control, the LEAD Marker Control and the LEAD Dialog Services Control. The LEAD Main Control Module (32-bit) provides the custom controls for incorporating image compression, file format support, and image processing into your applications. LEAD Dialog Services Control provides support for every VCL Common Dialog Control, which can be used for incorporating dialog boxes that combine Windows Common Dialog functionality with LEADTOOLS Imaging functionality.

There are seven (7) VCL Common Dialog controls/packages. These are:

1.	LEADTOOLS Color Dialogs Control (found in the LT14XXDLGCLR package).
2.	LEADTOOLS Effect Dialogs Control (found in the LT14XXDLGEFX package).
3.	LEADTOOLS File Dialogs Control (found in the LT14XXDLGFILE package).
4.	LEADTOOLS Image Dialogs Control (found in the LT14XXDLGIMG package).
5.	LEADTOOLS Image Document Dialogs Control (found in the LT14XXDLGIMGDOC package).
6.	LEADTOOLS Image Effect Dialogs Control (found in the LT14XXDLGIMGEFX package).
7.	LEADTOOLS Web Dialogs Control (found in the LT14XXDLGWEB package).

where XX may be:

B5 for a C++ Builder 5 package

B6 for a C++ Builder 6 package

D6 for a Delphi 6 package

D7 for a Delphi 7 package

This help file contains information on the LEADTOOLS VCL Common Dialog Controls.

The LEADTOOLS VCL Common Dialog controls provide a set of common dialog boxes that combine Windows Common Dialog functionality with imaging functionality contained in LEADTOOLS. Imaging Common Dialogs are provided for numerous image processing, effects and filtering functions.

$image\sqrblit.gif$ Reusable dialogs for the most common LEADTOOLS imaging functions and effects are now provided.

$image\sqrblit.gif$ A Thumbnail Preview option for the image processing dialogs allows the end user to preview the proposed change to the image, before actually affecting the original image.

$image\sqrblit.gif$ An optional Help callback function lets you provide custom help information for each dialog.

$image\sqrblit.gif$ A user interface control for the dialogs is provided through flags in the structure passed to each dialog function.

$image\sqrblit.gif$ An option to have the Imaging Common Dialog process the image automatically is provided.

Executable demos are included in all LEADTOOLS products. The executable demos provide a quick and easy way to evaluate the LEADTOOLS Common Dialog features and performance.

To use the same bitmap between controls, assign the bitmap property from one control to another.

The LEADTOOLS VCL Common Dialog controls can be used in:

Delphi 6.0

Delphi 7.0

C++ Builder 5.0

C++ Builder 6.0