Use CToolBarCtrl to check a button in the toolbar

[olin]

I want to check a button in the toolbar, whose button's style is TBBS_CHECKBOX alrealy. I wrote:

m_wndToolBar.SetButtonStyle(0, TBSTYLE_CHECK);
CToolBarCtrl& Ctrl = m_wndToolBar.GetToolBarCtrl();
Ctrl.CheckButton(0);

but it didn't work! However, if I changed CheckButton with some other functions such as DeleteButton, it did work. Why is only the CheckButton unavailable?

Thanks!

 

[obislavu]

The first parameter in the CheckButton() function should be the id of the button and the second could be true or false.
The prototype of the CheckButton() is :
BOOL CheckButton(int nID, bool bCheck = true)
The call you are doing :
CheckButton(0);
is equivalent to :
CheckButton(0,true); which means the button with the command ID = 0 and I think this doesn't exist.
So the right code to cehck a button with the index idx is:
TBBUTTON lptbutton;
int idx = 0;
m_wndToolBar.SetButtonStyle(idx, TBSTYLE_CHECK);
CToolBarCtrl& Ctrl = m_wndToolBar.GetToolBarCtrl();
BOOL bGet = Ctrl.GetButton(idx,&lptbutton);
Ctrl.CheckButton(lptbutton.idCommand,true);

-obislavu-

 

[olin]

Thanks, I got it.

I made a stupid mistake. I thought the parameter of CheckButton was index of the buttons.