2.2.4.6.11 DataObject::ReduceSize

ReduceSize

Description

Skip the number of points(nSkip) to reduce data for Column or MatrixObject in nStart to nEnd range.

Syntax

int ReduceSize( int nSkip, DWORD dwCntrl, int nStart = 0, int nEnd = -1, int nBlockSize = 1 )

Parameters

nSkip

[input] number of points to skip, 1 will skip 1 point.

dwCntrl

[input] various combination of control bits (DORS_DEL_BEFORE_AFTER, DORS_UPDATE_SAMPLE_INTERVAL, DORS_UNDO).

nStart

[input] row index to start the procedure.

nEnd

[input] row index (inclusive), -1 if to go to the end.

nBlockSize

[input] after skipping nSkip points, take this number of points.

Return

Return 0 for no error.

Examples

EX1

// before running new a worksheet and fill in row numers with two columns
void DataObject_ReduceSize_Ex1()
{	
	Worksheet wks = Project.ActiveLayer();
	if(!wks)
		return;
	
	Column col(wks, 0);
	if(!col)
		return;
	
	// in 0-10 range, skip one per two items
	int nSkip = 1;
	col.ReduceSize(nSkip, DORS_DEL_BEFORE_AFTER, 0, 10, 2);
}

EX2

//before run this code, make sure there is an active matrix with row number, use formula Cell(i,j) = i to set value
void DataObject_ReduceSize_Ex2()
{
	MatrixLayer ml = Project.ActiveLayer();
	if ( !ml )
	{
		printf("Can not access active matrixsheet");
		return;
	}
	MatrixObject mo = ml.MatrixObjects(0); //get first matrixobject
	int nSkip = 1;
	//remove one row after every two rows through the matrix
	mo.ReduceSize(nSkip, DORS_DEL_BEFORE_AFTER, 0, -1, 2);
	return;
}

Remark

See Also

Header to Include

origin.h