设置windows程序客户区大小（个人感觉很好用以后就直接拿来用得了）

来源：互联网发布：gis数据下载编辑：程序博客网时间：2024/04/29 09:31

void SetClientSize(HWND hWnd,int width, int height)
{

if(!hWnd)

{

MessageBox(NULL, "设置窗口失败", NULL, 1);

exit(1);

  }
RECT rectProgram,rectClient;
  GetWindowRect(hWnd, &rectProgram);   //获得程序窗口位于屏幕坐标
GetClientRect(hWnd, &rectClient);      //获得客户区坐标
//非客户区宽,高
int nWidth = rectProgram.right - rectProgram.left -(rectClient.right - rectClient.left);
int nHeiht = rectProgram.bottom - rectProgram.top -(rectClient.bottom - rectClient.top);
nWidth += width;
nHeiht += height;
rectProgram.right = nWidth;
  rectProgram.bottom = nHeiht;
int showToScreenx = GetSystemMetrics(SM_CXSCREEN)/2-nWidth/2;    //居中处理
int showToScreeny = GetSystemMetrics(SM_CYSCREEN)/2-nHeiht/2;
  MoveWindow(hWnd, showToScreenx, showToScreeny, rectProgram.right, rectProgram.bottom, false);
}

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