LImageListControl::GetSelectCount

#include "ltwrappr.h"

L_INT LImageListControl::GetSelectCount(L_VOID)

Gets the current number of selected items in the ImageList Control.

Returns

>= 0

The number of selected items.

<0

An error occurred. Refer to Return Codes.

Comments

Call this function, before calling LImageListControl::GetSelectedItems, to get the number of selected items. You can then use this number for allocating storage for the LILITEM structures.

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

Example

#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName 
L_INT LImageListControl__GetSelectCountExample(HWND hParent) 
{ 
   L_INT nRet; 
   LImageListControl m_ImgList; 
   L_INT nCount; 
   LILITEM Item; 
   LBitmapBase Bitmap; 
   if(m_ImgList.CreateControl(hParent,0) == NULL) 
      return FAILURE; 
   // insert an item to image list control and set it as selected 
   nRet = Bitmap.Load(MAKE_IMAGE_PATH(TEXT("image1.cmp"))); 
   Item.uStructSize = sizeof(LILITEM); 
   Item.pBitmap = Bitmap.GetHandle(); 
   Item.pText = MAKE_IMAGE_PATH(TEXT("image1.cmp")); 
   Item.lData = 0; 
   Item.bSelected = TRUE; 
   Item.uMask = LILITEM_BITMAP | LILITEM_TEXT | LILITEM_DATA | LILITEM_SELECTED; 
   nRet = m_ImgList.Insert(&Item);// at end of list 
   // get selected count 
   nCount = m_ImgList.GetSelectCount(); 
   if(nCount>0) 
   { 
      pLILITEM pItems=NULL; 
      pItems = (pLILITEM)GlobalAlloc(GMEM_MOVEABLE, sizeof(LILITEM)*nCount); 
      pItems->uStructSize = sizeof(LILITEM); 
      pItems->uBitmapStructSize = sizeof(BITMAPHANDLE); 
      if(pItems) 
      { 
         // get the selected items 
         nRet = m_ImgList.GetSelectedItems(pItems); 
         if(nRet < 0) 
            return nRet; 
         L_INT x; 
         CString csOut; 
         csOut.Format(TEXT("%ld items selected!"), nCount); 
         AfxMessageBox(csOut); 
         for(x=0; x<nCount; x++) 
         { 
            csOut.Format(TEXT("Item#%ld with text=%s"), pItems[x].lIndex, pItems[x].pText); 
            AfxMessageBox(csOut); 
         } 
         GlobalFree(pItems); 
      } 
   } 
   return SUCCESS; 
}

Help Version 19.0.2017.10.27
Products | Support | Contact Us | Copyright Notices
© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
LEADTOOLS Raster Imaging C++ Class Library Help
Introduction
Version History
Getting Started
LEADTOOLS Raster Imaging Features
Redistributables/Files To Be Included With Your Application
Quick Reference
Tutorials
Classes and Member Functions
Call Back Functions
Summary of Features