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用法解释

官方解释：http://helpcentral.componentone.com/nethelp/truedblist8/default.htm#!redimmethodxarraydb.htm

XArrayDB Reference / XArrayDB Object Methods

ReDim Method (XArrayDB)

This method is used to set or reset the dimensions of an XArrayDB object while preserving any existing data.

Syntax

XArrayDB.ReDimrowLB, rowUB, columnLB, columnUB（解释）

Arguments

rowLB and rowUB are long integers specifying the lower and upper bounds for row indexes.

columnLB and columnUB are long integers specifying the lower and upper bounds for column indexes.

Return Value

None

Remarks

Method applies to XArrayDB object.

Since a newly created XArrayDB object does not have any default dimensions, you must use the ReDim method before you can assign or access array elements.

Example

The following example creates and initializes a two-dimensional XArrayDB object. The first dimension has 100 elements, with indexes starting at 1 and ending at 100. The second dimension has 6 elements, with indexes starting at 0 and ending at 5.

Dim MyArray As New XArrayDB

MyArray.ReDim 1, 100, 0, 5

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例子绑定用 XArray绑定 TDBGrid

Dim X As New XArray

Private Sub Form_Load()

Dim r As Integer

Dim c As Integer

Dim clmn As TrueDBGrid80.Column‘列

r = 9 'row

c = 5 'column

X.ReDim 0, r, 0, c

TDBGrid1.Columns.Clear

For k = 0 To c

Set clmn = TDBGrid1.Columns.Add(k)'动态添加列

clmn.Visible = True

clmn.Caption = "column " & k

Next k

Call FillXArray(r, c)‘填充数据

Set Me.TDBGrid1.Array = X

Me.TDBGrid1.ReBind

End Sub

Private Sub FillXArray(intI As Integer, intJ As Integer)’填充数据

On Error Resume Next

Dim I As Integer

Dim j As Integer

Dim k As Integer

For I = 0 To intI

    For j = 0 To intJ

        X(I, j) = " row:" & I & ",column" & j

        If Err Then Exit For

    Next j

    If Err Then Exit For

Next I

If (Err.Number <> 0) Then

MsgBox Err.Description

End If

End Sub