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2.2.3.19.36 vectorbase::SetSize

SetSize

1 Description
2 Syntax
3 Parameters
4 Return
5 Examples
6 Remark
7 See Also
8 Header to Include

Description

Set the size of the vector

Syntax

BOOL SetSize( UINT nSize, int nGrowBy = -1 )

Parameters

nSize: [input] Number of elements in re-sized vectorbase derived object
nGrowBy: [input] Currently not used, users should omit from call to pass default -1

Return

Returns TRUE on successful exit or FALSE on error.

Examples

EX1

void vectorbase_SetSize_ex1()
{
    // Declare vector object
    vector vec;
    // Set its size and fill with some data
    vec.SetSize(361);
    for( int ii = 0; ii < 361; ii++ )
        vec[ii] = cos(ii * PI / 180);
    for (int jj = 0; jj < vec.GetSize(); jj++)
        printf("%f ",vec[jj]);
}

EX2

//use size_t to set large vector size
void vec_set_big_size()
{
	size_t ns1 = 15595000;
	size_t n1 = 512;
	size_t nn = ns1 * n1;
	
	vector<char> vv;
	vv.SetSize(nn);
	OIP nn1 = vv.GetSizeEx();
	vv.Add(8);
	OIP nn2 = vv.GetSizeEx();
}

Remark

Dynamically set the size of (number of elements in) a vectorbase derived object.

Header to Include

origin.h