描述
The MSGFILTER structure contains information about a keyboard or mouse event. A rich edit control sends this structure to its parent window as part of an EN_MSGFILTER notification message, enabling the parent to change the message or prevent it from being processed.
C/C++ 语法
typedef struct _msgfilter { NMHDR nmhdr; UINT msg; WPARAM wParam; LPARAM lParam; } MSGFILTER; |
FreeBasic Syntax
TYPE MSGFILTER nmhdr AS NMHDR msg AS UINT wParam AS WPARAM lParam AS LPARAM END TYPE |
成员
nmhdr
A NMHDR structure. The code member of the NMHDR structure is the EN_MSGFILTER notification code that identifies the message being sent.
msg
Keyboard or mouse message identifier.
wParam
The wParam parameter of the message.
lParam
The lParam parameter of the message.
最低操作系统
Windows 95, Windows NT 4.0.