Important: |
---|
This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist. |
This function retrieves the handle to the top-level window whose class name and window name match the specified strings. This function does not search child windows.
Syntax
HWND FindWindow( LPCTSTR lpClassName, LPCTSTR lpWindowName ); |
Parameters
- lpClassName
-
[in] Long pointer to a null-terminated string that specifies the class name or is an atom that identifies the class-name string. If this parameter is an atom, it must be an atom returned from RegisterClass. The atom, a 16-bit value, must be placed in the low-order word of lpClassName; the high-order word must be zero.
If this parameter is NULL, it finds any window whose title matches the lpWindowNameparameter.
- lpWindowName
-
[in] Long pointer to a null-terminated string that specifies the window name (the window's title). .
Return Value
A handle to the window that has the specified class name and window name indicates success. NULL indicates failure. To get extended error information, call GetLastError.
Remarks
If lpClassNameis an atom, it must be an atom returned from RegisterClass.
Requirements
Header | winuser.h |
Windows Embedded CE | Windows CE 1.0 and later |
Windows Mobile | Windows Mobile Version 5.0 and later |