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The ListView_SetCallbackMask macro changes the callback mask for a list
view control. You can use this macro or explicitly send the LVM_SETCALLBACKMASK
message.
BOOL ListView_SetCallbackMask(
Parameters
-
hwnd
-
Handle to the list view control.
-
mask
-
Specifies the value of the callback mask. The bits of the mask indicate the
item states or images for which the application stores the current state data.
This value can be any combination of the following constants:
Value
|
Meaning
|
LVIS_CUT
|
The item is marked for a cut-and-paste operation.
|
LVIS_DROPHILITED
|
The item is highlighted as a drag-and-drop target.
|
LVIS_FOCUSED
|
The item has the focus.
|
LVIS_SELECTED
|
The item is selected.
|
LVIS_OVERLAYMASK
|
The application stores the image list index of the current overlay image for
each item.
|
LVIS_STATEIMAGEMASK
|
The application stores the image list index of the current state image for
each item.
|
For more information about overlay images and state images, see List
View Image Lists.
Return Values
Returns TRUE if successful or FALSE otherwise.
Remarks
The callback mask of a list view control is a set of bit flags that
specify the item states for which the application, rather than the control,
stores the current data. The callback mask applies to all of the control’s
items, unlike the callback item designation, which applies to a specific item.
The callback mask is zero by default, meaning that the list view control
stores all item state information. After creating a list view control and
initializing its items, you can use the ListView_SetCallbackMask macro
or LVM_SETCALLBACKMASK message to change the callback mask. To get the current
callback mask, send the LVM_GETCALLBACKMASK message.
For more information, see Callback
Items and the Callback Mask.
See Also
LVM_GETCALLBACKMASK, LVM_SETCALLBACKMASK,
LVN_GETDISPINFO
file: /Techref/os/win/api/win32/mac/src/mac02_5.htm, 4KB, , updated: 2000/4/7 11:19, local time: 2024/11/4 15:48,
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