首先参数就不一样：） /////////////////////////////////////////////// SetWindowPos The SetWindowPos function changes the size, position, and Z order of a child, pop-up, or top-level window. Child, pop-up, and top-level windows are ordered according to their appearance on the screen. The topmost window receives the highest rank and is the first window in the Z order. BOOL SetWindowPos( HWND hWnd, // handle to window HWND hWndInsertAfter, // placement-order handle int X, // horizontal position int Y, // vertical position int cx, // width int cy, // height UINT uFlags // window-positioning options ); ////////////////////////////////////////////////////////////////////////////// MoveWindow The MoveWindow function changes the position and dimensions of the specified window. For a top-level window, the position and dimensions are relative to the upper-left corner of the screen. For a child window, they are relative to the upper-left corner of the parent window's client area. BOOL MoveWindow( HWND hWnd, // handle to window int X, // horizontal position int Y, // vertical position int nWidth, // width int nHeight, // height BOOL bRepaint // repaint option );
本质上是给消息队列发送的消息不同、处理级别不同、功能不同：MoveWindow sends the WM_WINDOWPOSCHANGING, WM_WINDOWPOSCHANGED, WM_MOVE, WM_SIZE, and WM_NCCALCSIZE messages to the window.MoveWindow实际上是发消息，这个消息最终归SetWindowPos处理。SetWindowPos实现了对窗口的调整。如果谁有不同意见，请拿证据。
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SetWindowPos
The SetWindowPos function changes the size, position, and Z order of a child, pop-up, or top-level window. Child, pop-up, and top-level windows are ordered according to their appearance on the screen. The topmost window receives the highest rank and is the first window in the Z order. BOOL SetWindowPos(
HWND hWnd, // handle to window
HWND hWndInsertAfter, // placement-order handle
int X, // horizontal position
int Y, // vertical position
int cx, // width
int cy, // height
UINT uFlags // window-positioning options
);
//////////////////////////////////////////////////////////////////////////////
MoveWindow
The MoveWindow function changes the position and dimensions of the specified window. For a top-level window, the position and dimensions are relative to the upper-left corner of the screen. For a child window, they are relative to the upper-left corner of the parent window's client area. BOOL MoveWindow(
HWND hWnd, // handle to window
int X, // horizontal position
int Y, // vertical position
int nWidth, // width
int nHeight, // height
BOOL bRepaint // repaint option
);
//Move window to positoin 100 , 100 of its parent window .
SetWindowPos (NULL, 100 , 100 , 0 , 0 , SWP_NOSIZE ｜SWP_NOAORDER)
参数不一样。
不过SetWindowPos()要比MoveWindow()的功能强大很多，用SetWindowPos函数
不但可以移动窗口，还可以设置窗口的风格，比如总在最前.....
个人同意tigerfox
MoveWindow最终调用SetWindowPos处理