Core Function DllStructGetSize
From Sputnik Wiki
DllStructGetSize( <dllstruct> )
Contents |
Description
Returns the size of the struct in bytes.
Parameters
dllstruct
The struct returned by DLLStructCreate.
Return Value
Success: The size of the struct in bytes.
Failure: -1.
Remarks
Used in DLLCall.
Example
/*========================================================= Create the struct struct { int var1; unsigned char var2; unsigned int var3; char var4[128]; } =========================================================*/ $str = "int var1;ubyte var2;uint var3;char var4[128]"; $a = DllStructCreate($str); if ( !$a ) { MsgBox("Error in DllStructCreate"); exit(); } /*========================================================= Set data in the struct struct.var1 = -1; struct.var2 = 255; struct.var3 = 777; strcpy(struct.var4,"Hello"); struct.var4[0] = 'h'; =========================================================*/ DllStructSetData($a,"var1",-1); DllStructSetData($a,"var2",255); DllStructSetData($a,"var3",777); DllStructSetData($a,"var4","Hello"); DllStructSetData($a,"var4","G",0); /*========================================================= Display info in the struct ;=========================================================*/ MsgBox("Struct Size: " . DllStructGetSize($a) . @CRLF . "Struct pointer: " . DllStructGetPtr($a) . @CRLF . "Data:" . @CRLF . DllStructGetData($a,"var1") . @CRLF . DllStructGetData($a,"var2") . @CRLF . DllStructGetData($a,"var3") . @CRLF . DllStructGetData($a,"var4"), "DllStruct");
