LDialogColor::DoModalColor

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#include "ltwrappr.h"

virtual L_INT LDialogColor::DoModalColor(hWndOwner)

HWND hWndOwner;

/* handle of the window which owns the dialog */

Displays the Color dialog box, which allows the user to pick a color.

Parameter	Description
hWndOwner	Handle of the window which owns the dialog.

Returns

SUCCESS_DLG_OK	The "OK" button was pressed, and the dialog exited successfully.
SUCCESS_DLG_CANCEL	The "Cancel" button was pressed, and the dialog exited successfully.
< 1	An error occurred. Refer to Return Codes.

Comments

LDialogColor::SetColorParams must be called before using this function to set the initial values for the dialog. You can get the updated COLORDLGPARAMS with the values entered by the user through the dialog by using LDialogColor::GetColorParams.

The Color dialog.

Required DLLs and Libraries

LTDLGCLR
LTDLGKRN
LTDLGUTL
LTDLGCTRL
LTDLGCOM
LTDIS
LTIMG

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application

See Also

Functions:	LDialogBase::Initialize, Class Members
Topics:	Using Imaging Common Dialog
	HSB-Brightness Based Model
	HSB-Hue Based Model
	HSB-Wheel Based Model
	RGB-3D Additive Model
	Lab-Device Independent Model
	CMY-3D Subtractive Model
	CMYK -3D Subtractive Model

Example

L_INT LDialogColor_DoModalColorExample(LBitmap * pBitmap, HWND hWnd)
{
   L_INT nRet;
   LDialogColor DlgColor;
   nRet = DlgColor.Initialize(DLG_INIT_COLOR );
   if(nRet != SUCCESS)
      return nRet;
   DlgColor.SetBitmap(pBitmap);
   COLORDLGPARAMS DlgParams; 
   memset ( &DlgParams, 0, sizeof ( COLORDLGPARAMS ) ) ;
   DlgParams.uStructSize      = sizeof ( COLORDLGPARAMS ) ;
   DlgParams.uDlgFlags = DLG_COLOR_SHOW_OLDCOLOR              |
                         DLG_COLOR_SHOW_NEWCOLOR              |
                         DLG_COLOR_SHOW_NAME                  |
                         DLG_COLOR_COLORSPACE_SHOW_HUE        |
                         DLG_COLOR_COLORSPACE_SHOW_BRIGHTNESS |
                         DLG_COLOR_COLORSPACE_SHOW_WHEEL      |
                         DLG_COLOR_COLORSPACE_SHOW_RGB        |
                         DLG_COLOR_COLORSPACE_SHOW_CMY        |
                         DLG_COLOR_COLORSPACE_SHOW_CMYK       |
                         DLG_COLOR_COLORSPACE_SHOW_LAB        |
                         DLG_COLOR_COLORMODEL_SHOW_RGB        |
                         DLG_COLOR_COLORMODEL_SHOW_HSB        |
                         DLG_COLOR_COLORMODEL_SHOW_HLS        |
                         DLG_COLOR_COLORMODEL_SHOW_CMY        | 
                         DLG_COLOR_COLORMODEL_SHOW_CMYK       |
                         DLG_COLOR_COLORMODEL_SHOW_LAB ;
   DlgColor.EnableCallBack (FALSE);
   DlgColor.EnablePreview(TRUE);
   DlgColor.EnableAutoProcess(TRUE);
   DlgColor.EnableToolbar(TRUE);
   nRet = DlgColor.SetColorParams(&DlgParams) ;
   if(nRet != SUCCESS)
      return nRet;
   nRet = DlgColor.DoModalColor(hWnd);
   if(nRet < 1)
      return nRet;
   // Gets the updated values for the structure
   nRet = DlgColor.GetColorParams(&DlgParams, sizeof(DlgParams)) ;
   if(nRet != SUCCESS)
      return nRet;
   nRet = DlgColor.Free();
   if(nRet != SUCCESS)
      return nRet;
   return nRet;
}