Obtaining Information About the Main Window

GetMainWindowInfo

API Description

This API is used to obtain information about the main window.

Precautions

This API is an asynchronous API. The return value only indicates whether the API is successfully called. The actual service processing result is returned in the corresponding callback function.

Method Definition

    
         HWM_SDK_AGENT_API hwmsdk::HwmErrCode GetMainWindowInfo();

Callback Function

    
         virtual void OnGetMainWindowInfoResult(hwmsdk::HwmErrCode ret, const char* reason, const HwmMainWindowInfo *mainWindowInfo) {};

Parameter Description

**Table 1** HwmMainWindowInfo description
Parameter	Type	Description
x	int	Offset of the window relative to the left side of the screen.
y	int	Offset of the window relative to the top of the screen.
width	int	Width of the window.
height	int	Height of the window.
handle	HWND	Window handle.

**Table 2** Return values
Type	Description
HwmErrCode	If 0 is returned, the operation is successful. If other values are returned, the operation fails. For details about values returned upon failures, see Common Error Codes.
HwmMainWindowInfo	Main window information.

Sample Code

    
         /**
* Obtain information about the main window.
*/
void demoGetMainWindowInfoDlg::OnBnClickedOk()
{
    int ret = hwmsdkagent::GetMainWindowInfo();
    if (hwmsdk::HWM_COMMON_SUCCESS != ret)
    {
        AfxMessageBox(_T("get mainwindow info error"));
        return;
    }
}