//聲明: GetWindow( hWnd: HWND; {指定的窗口句柄} uCmd: UINT {指定的關系選項} ): HWND; {失敗返回0; 成功返回符合的窗口句柄} //uCmd 可選值: GW_HWNDFIRST = 0; {同級別第一個} GW_HWNDLAST = 1; {同級別最后一個} GW_HWNDNEXT = 2; {同級別下一個} GW_HWNDPREV = 3; {同級別上一個} GW_OWNER = 4; {屬主窗口} GW_CHILD = 5; {子窗口}
GW_ENABLEDPOPUP = 6; {enabled popup window有效的彈出窗口}