函式原型：
BOOL SetButtons( const UINT* lplDArry , int nIDCount);
參數：
lpIDArray：Specifies the pointer to an array of command Ids. It can be NULL to allocate empty buttons.
nIDCount：Specifies the number of elements in the array pointed to by lpIDArray.
返回值：
成功為非零值，否則為零。
備註：
版本: 2.10 and later
頭檔案: Declared in afxext.h
平台: H/PC Pro, Palm-size PC, Pocket PC
