XSelectInput(display, w, event_mask) Display *display; Window w; long event_mask;
|display||Specifies the connection to the X server.|
|w||Specifies the window whose events you are interested in.|
|event_mask||Specifies the event mask.|
Setting the event-mask attribute of a window overrides any previous call for the same window but not for other clients. Multiple clients can select for the same events on the same window with the following restrictions:
The server reports the event to all interested clients.
XSelectInput() can generate a BadWindow error.
|BadWindow||A value for a Window argument does not name a defined Window.|