DrgAccessDraginfo: Difference between revisions
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==Remarks== | ==Remarks== | ||
This function is used by the target of a drag operation to access a DRAGINFO structure. The address of the structure is passed in a drag message (DM_DRAGOVER, DM_DROP, or DM_DROPHELP). | This function is used by the target of a drag operation to access a [[DRAGINFO]] structure. The address of the structure is passed in a drag message ([[DM_DRAGOVER]], [[DM_DROP]], or [[DM_DROPHELP]]). | ||
To release the structure, use the ''[[DrgFreeDraginfo]]'' function. | To release the structure, use the ''[[DrgFreeDraginfo]]'' function. | ||
Latest revision as of 23:56, 14 May 2025
This function provides access the drag information structure.
Syntax
DrgAccessDraginfo (pdinfo)
Parameters
Returns
- rc (BOOL) - returns
- Success indicator.
- TRUE
- Successful completion.
- FALSE
- Error occurred.
Remarks
This function is used by the target of a drag operation to access a DRAGINFO structure. The address of the structure is passed in a drag message (DM_DRAGOVER, DM_DROP, or DM_DROPHELP).
To release the structure, use the DrgFreeDraginfo function.
Example Code
This example uses the DrgAccessDraginfo function to make an existing drag information structure (created by the DrgAllocDraginfo function) available.
#define INCL_WINSTDDRAG /* Direct Manipulation (Drag) Functions */ #include <os2.h> BOOL fSuccess; /* Indicate success or failure */ DRAGINFO Draginfo; /* Drag-information structure */ fSuccess = DrgAccessDraginfo(&Draginfo);