TB_SETBOUNDINGSIZE message

[Intended for internal use; not recommended for use in applications. This message may not be supported in future versions of Windows.]

Sets the bounding size for a multi-column toolbar control.

Parameters

wParam

Must be zero.

lParam

Pointer to a SIZE structure whose cy member contains the bounding height. The cx member (the width) is ignored.

Return value

The return value is not used.

Security Considerations

Using this message might compromise the security of your program.

Remarks

The bounding size controls how buttons are organized into columns. If the toolbar control does not have the TBSTYLE_EX_MULTICOLUMN style, this message has no effect.

Requirements

Requirement Value
Minimum supported client
Windows Vista [desktop apps only]
Minimum supported server
Windows Server 2003 [desktop apps only]
Header
Commctrl.h