DrgVerifyType
This function verifies whether a given type is present in the list of types defined for a drag object.
Syntax
DrgVerifyType(pDragitem, pType)
Parameters
- pDragitem (PDRAGITEM) - input
- Pointer to the DRAGITEM structure whose hstrType is to be verified.
- pType (PSZ) - input
- String specifying the types to search for. This string is in the format: type[,type...]
Returns
- rc (BOOL) - returns
- Success indicator.
- TRUE - Successful completion.
- FALSE - Error occurred.
Remarks
If at least one of the types specified by pType is present in hstrType in the DRAGITEM structure, TRUE is returned.
Errors
Possible returns from WinGetLastError:
- PMERR_INVALID_PARAMETERS (0x1208)
- An application parameter value is invalid for its converted PM type. For example: a 4-byte value outside the range -32 768 to +32 767 cannot be converted to a SHORT, and a negative number cannot be converted to a ULONG or USHORT.
- PMERR_INSUFFICIENT_MEMORY (0x203E)
- The operation terminated through insufficient memory.
Example Code
This example verifies whether a given type is present in the list of types defined for a drag object.
#define INCL_WINSTDDRAG /* Direct Manipulation (Drag) Functions */
#include <OS2.H>
#include <string.h>
BOOL fValid;
DRAGITEM Dragitem; /* DRAGITEM structure whose hstrType is */
/* to be verified */
char pszType[] = "DRT_EXE";
/* A string specifying the types to */
/* search for */
fValid = DrgVerifyType(&Dragitem, pszType);