#include "ltwrappr.h"
L_INT LToolbar::GetButtonInfo (uButtonId, pButtonInfo, uStructSize)
L_UINT uButtonId; |
button Id |
pLBUTTONINFO pButtonInfo; |
pointer to a structure |
L_UINT uStructSize; |
size in bytes, of the structure pointed to by pButtonInfo |
Gets the information for the specified toolbar button.
Parameter |
Description |
uButtonId |
Identifier that indicates the button for which to get the information. |
pButtonInfo |
Pointer to an LBUTTONINFO structure to be updated with the button information. |
uStructSize |
Size in bytes, of the structure pointed to by pButtonInfo. Use sizeof(LBUTTONINFO). |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
To change the information on the specified toolbar button, call this function to get the current information. Change the information in pButtonInfo and then call LToolbar::SetButtonInfo.
When the toolbar button bitmap is no longer needed, you must free it using the Windows API function DeleteObject.
Required DLLs and Libraries
LTTLB
For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.
Functions: |
LToolbar::AddButton, LToolbar::RemoveButton, LToolbar::SetButtonInfo, LToolbar::GetToolbarInfo, LToolbar::SetToolbarInfo, Class Members |
Topics: |
This example will display the tool tip text of each button in a toolbar.
L_INT LToolbar__GetButtonInfoExample( HWND hWnd, LToolbar* tlb)
{
UNREFERENCED_PARAMETER(hWnd);
L_INT nRet;
LTOOLBARINFO ToolbarInfo;
LBUTTONINFO ButtonInfo;
L_UINT i, j;
/* get toolbar info */
ToolbarInfo.uStructSize = sizeof( LTOOLBARINFO );
nRet = tlb->GetToolbarInfo(&ToolbarInfo, sizeof(LTOOLBARINFO) );
if(nRet != SUCCESS)
return nRet;
/* iterate through tools */
for( i = 0; i < ToolbarInfo.uToolsCount; i++ )
{
/* get the text */
for( j = 0; j < ToolbarInfo.pTools[ i ].uButtonsCount; j++ )
{
ButtonInfo.uStructSize = sizeof( LBUTTONINFO );
nRet = tlb->GetButtonInfo (ToolbarInfo.pTools[ i ].pButtons[ j ].uID, &ButtonInfo, sizeof(LBUTTONINFO));
if(nRet != SUCCESS)
return nRet;
MessageBox(NULL, ButtonInfo.szToolTipText, TEXT(""), MB_OK);
/* free the bitmap so we don't leak */
DeleteObject( ButtonInfo.hBitmap );
}
}
/* free the info structure */
nRet = tlb->FreeToolbarInfo (&ToolbarInfo);
if(nRet != SUCCESS)
return nRet;
return SUCCESS;
}