Inserts an item into the ImageList Control.
#include "ltwrappr.h"
L_INT LImageListControl::Insert(pItem, nIndex=-1)
Pointer to an LILITEM structure containing the item to be inserted.
0-based index at which to insert the item. Pass -1 to insert item at the end of the list.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
All items beyond the specified index are pushed up by one.
Note: On an insert, the image and text (if any) are copied to internal storage. The ImageList Control will free its copy of the image and/or text when the item is deleted. You are responsible for freeing the original data when it is no longer needed by your application.
Win32, x64.
L_INT LImageListControl__InsertExample(HWND hParent)
{
L_INT nRet;
LImageListControl m_ImgList;
LILITEM Item;
LBitmapBase Bitmap;
if(m_ImgList.CreateControl(hParent,0) == NULL)
return FAILURE;
nRet = Bitmap.Load(MAKE_IMAGE_PATH(TEXT("IMAGE1.CMP")));
if(nRet != SUCCESS)
return nRet;
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
if(nRet != SUCCESS)
return nRet;
L_INT nItem = m_ImgList.GetItemCount()-1;
// make it visible
nRet = m_ImgList.EnsureVisible(nItem);
if(nRet == 0)
return FAILURE;
return SUCCESS;
}
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