typedef struct tag_Frequency{
int frequency;
float level;
}Frequencytypedef struct tag_Frame{
char *frame;
int size;
}Frame;
typedef struct tag_CallbackParam{
int ParamType; /* Type of parameter */
union{
char *string;
Frame frame;
float value;
Frequency frequency;
}ParamVal;
} Callback_Param; 怎样把它定义为VB的类型啊?
int frequency;
float level;
}Frequencytypedef struct tag_Frame{
char *frame;
int size;
}Frame;
typedef struct tag_CallbackParam{
int ParamType; /* Type of parameter */
union{
char *string;
Frame frame;
float value;
Frequency frequency;
}ParamVal;
} Callback_Param; 怎样把它定义为VB的类型啊?
Type EmployeeRecord
ID As Integer
Name As String * 20
Address As String * 30
Phone As Long
HireDate As Date
End TypeSub CreateRecord()
Dim MyRecord As EmployeeRecord
MyRecord.ID = 12003
End Sub