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Displays the Color dialog box, which allows the user to pick a color.
#include "ltwrappr.h"
virtual L_INT LDialogColor::DoModalColor(hWndOwner)
Handle of the window which owns the dialog.
| Value | Meaning |
|---|---|
| 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. |
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.
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 structurenRet = DlgColor.GetColorParams(&DlgParams, sizeof(DlgParams)) ;if(nRet != SUCCESS)return nRet;nRet = DlgColor.Free();if(nRet != SUCCESS)return nRet;return nRet;}