LImageListControl::SetSelectionBitmap

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#include "ltwrappr.h"

L_INT LImageListControl::SetSelectionBitmap(crTransparent, pBitmap)

COLORREF crTransparent;	/* transparent color */
LBitmapBase *pBitmap;	/* pointer to an LBitmapBase object */

Displays selected items using the specified user-defined bitmap.

Parameter	Description
crTransparent	Color value of the transparent color.
pBitmap	Pointer to an LBitmapBase object that references the bitmap to use as the selection bitmap.

Returns

SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

Displays selected items using the specified user-defined bitmap when the selection style has been set to SELECTIONSTYLE_USERBITMAP using LImageListControl::SetSelectionOptions. The specified bitmap will be drawn with the specified color as transparent, and will be centered around each selected item.

Required DLLs and Libraries

LTDIS
LTFIL
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.

Platforms

Win32, x64.

See Also

Functions:	Class Members
Topics:	Using the ImageList Control
	Using Color Values in LEADTOOLS

Example

#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName
L_INT LImageListControl__SetSelectionBitmapExample(HWND hParent)
{
   L_INT nRet;
   LImageListControl m_ImgList;
   LILSELOPTION SelOpt;
   SelOpt.uStructSize = sizeof(LILSELOPTION);
   if(m_ImgList.CreateControl(hParent,0) == NULL)
      return FAILURE;
   // get current options
   nRet = m_ImgList.GetSelectionOptions(&SelOpt);
   if(nRet != SUCCESS)
      return nRet;
   // set some options
   if(SelOpt.uAllowSelection != ALLOWSELECTION_SINGLE)
      SelOpt.uAllowSelection = ALLOWSELECTION_SINGLE;
   LBitmapBase SelBitmap;
   nRet = SelBitmap.Load(MAKE_IMAGE_PATH(TEXT("ULAY1.BMP")));
   if(nRet != SUCCESS)
      return nRet;
   nRet = m_ImgList.SetSelectionBitmap(RGB(255,255,255), &SelBitmap);
   if(nRet != SUCCESS)
      return nRet;
   if(SelOpt.uSelectionStyle != SELECTIONSTYLE_USERBITMAP)
      SelOpt.uSelectionStyle = SELECTIONSTYLE_USERBITMAP;
   nRet = m_ImgList.SetSelectionOptions(&SelOpt);
   if(nRet < 1)
      return nRet;
   return SUCCESS;
}