The GetDlgItem function retrieves the handle of a control in the specified dialog box.
HWND GetDlgItem(
HWND hDlg, |
// handle of dialog box |
int nIDDlgItem |
// identifier of control |
); |
If the function succeeds, the return value is the window handle of the given control.
If the function fails, the return value is NULL, indicating an invalid dialog box handle or a nonexistent control. To get extended error information, call GetLastError.
You can use the GetDlgItem function with any parent-child window pair, not just with dialog boxes. As long as the hDlg parameter specifies a parent window and the child window has a unique identifier (as specified by the hMenu parameter in the CreateWindow or CreateWindowEx function that created the child window), GetDlgItem returns a valid handle to the child window.
CreateWindow, CreateWindowEx, GetDlgItemInt, GetDlgItemText
file: /Techref/os/win/api/win32/func/src/f30_18.htm, 2KB, , updated: 2000/4/7 12:19, local time: 2024/8/18 09:18,
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