TrackPopupMenuEx
[Now
Supported on Windows NT]
The TrackPopupMenuEx
function displays a shortcut menu at the specified location and tracks the
selection of items on the shortcut menu. The shortcut menu can appear anywhere
on the screen.
BOOL TrackPopupMenuEx(
HMENU hmenu, |
|
UINT fuFlags, |
|
int x, |
|
int y, |
|
HWND hwnd, |
|
LPTPMPARAMS lptpm |
|
); |
|
Parameters
hmenu
Handle to the
shortcut menu to be displayed. This handle can be obtained by calling the CreatePopupMenu
fuFlags
Positioning
and other options. This parameter, which can be zero or more of the values
listed with the TrackPopupMenu
Value |
Meaning |
TPM_HORIZONTAL |
If the menu
cannot be shown at the specified location without overlapping the excluded
rectangle, the system tries to accommodate the requested horizontal alignment
before the requested vertical alignment. |
TPM_VERTICAL |
If the menu
cannot be shown at the specified location without overlapping the excluded
rectangle, the system tries to accommodate the requested vertical alignment
before the requested horizontal alignment. |
The excluded
rectangle is a portion of the screen that the menu should not overlap; it is
specified by lptpm.
x
Horizontal
location of the shortcut menu, in screen coordinates.
y
Vertical
location of the shortcut menu, in screen coordinates.
hwnd
Handle to the
window that owns the shortcut menu. This window receives all messages from the
menu. The window does not receive a WM_COMMAND
lptpm
Pointer to a TPMPARAMS
structure that specifies an area of the screen the menu should not overlap.
This parameter can be NULL.
Return Values
If the function
succeeds, the return value is nonzero.
If the
function fails, the return value is zero. To get extended error information,
use the GetLastError
See Also