c# - 如何将数组从 C# (VSTO) 项目传递到 VBA 宏

Question

我的 VSTO 解决方案存在性能问题，我认为原因主要是 cellColor 逐个单元格设置的方式。

这取决于记录集中的数据，因此每次都不一样。 (我不能使用另一行/列的 copyFormats)

它类似于填充一系列值，只是对于那个值有几种方法。

我想首先在内存中用 C# 创建整个东西(一个 XlColorIndex[,] 数组)，我将其传递给类似于下面的 VBA 方法:

Sub fillInterior(ByRef rg As Range, a As Variant)
    //a is a double array that represents the colors for the spreadsheet
    Dim r As Long, c As Long
    Dim tmpRg As Range
    r = 1
    c = 1
    For Each Row In a
        For Each colorIdx In Row
            Set tmpRg = rg(r, c)
            With tmpRg.Interior
                .ColorIndex = colorIdx
                .PatternColorIndex = xlAutomatic
                .PatternColor = xlSolid
            End With
            c = c + 1
        Next
        c = 1
        r = r + 1
    Next
End Sub

我一直在尝试通过以下方式调用这个宏，但还没有成功，非常感谢任何指点:

            Excel.Range rg = this.Range[this.Cells[5, 3], this.Cells[6, 4]];

            object[,] test2 = new object[2, 2];
            test2[0, 0] = 15;
            test2[0, 1] = 15;
            test2[1, 0] = 15;
            test2[1, 1] = 15;

            this.Application.Run("Sheet1.fillInterior",  rg,  test2,
                System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing,
                System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing,
                System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing,
                System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing);

我试过 int[,] -

当我尝试 Nullable int 或 Double 时，我确实遇到了不同的错误:double?[,](可空 double 组):

The parameter is incorrect. (Exception from HRESULT: 0x80070057 (E_INVALIDARG))

如果我不尝试可为 null 的类型，我会收到以下 HRESULT 错误(类型不匹配？)

Exception from HRESULT: 0x800A000D

Answer 1

好吧，我应该读过 this更好:应该避免变体，所以如果我可以选择编写我的 VBA，我最好不要使用变体，而是使用适当的数组。

其次，我错误地使用了 VBA 数组，我应该对多维数组 (source) 执行以下操作:

我的 VBA 代码现在看起来像这样:

Sub fillInteriorMulti(rg As Range, Arr() As Long)
    Dim N As Long, Ndx1 As Long, Ndx2 As Long
    Dim icol As Long
    Dim irow As Long
    Dim NumDims As Long


    // Custom Function: Get the number of array dimensions.
    // NumberOfArrayDimensions will return 0
    // if the array is not allocated.

    NumDims = NumberOfArrayDimensions(Arr:=Arr)
    Select Case NumDims
        Case 0
            // unallocated array
            Exit Sub
        Case 1
            // single dimensional array
            For N = LBound(Arr) To UBound(Arr)
                With rg(N, 1).Interior
                    .ColorIndex = Arr(N)
                    .PatternColorIndex = xlAutomatic
                    .PatternColor = xlSolid
                End With
            Next N
        Case 2
            // 2 dimensional array
            For Ndx1 = LBound(Arr, 1) To UBound(Arr, 1)
                For Ndx2 = LBound(Arr, 2) To UBound(Arr, 2)
                    With rg(Ndx1, Ndx2).Interior
                        .ColorIndex = Arr(Ndx1, Ndx2)
                        .PatternColorIndex = xlAutomatic
                        .PatternColor = xlSolid
                    End With
                Next Ndx2
            Next Ndx1
        Case Else
            // Too many dimensions - Do Nothing
    End Select
End Sub

Public Function NumberOfArrayDimensions(Arr As Variant) As Integer
    // NumberOfArrayDimensions
    // This function returns the number of dimensions of an array. An unallocated dynamic array
    // has 0 dimensions. This condition can also be tested with IsArrayEmpty.

    Dim Ndx As Integer
    Dim Res As Integer
    On Error Resume Next
    // Loop, increasing the dimension index Ndx, until an error occurs.
    // An error will occur when Ndx exceeds the number of dimension
    // in the array. Return Ndx - 1.
    Do
        Ndx = Ndx + 1
        Res = UBound(Arr, Ndx)
    Loop Until Err.Number <> 0

    NumberOfArrayDimensions = Ndx - 1
End Function

最后是测试这个的 C# 代码:

            int[] test3 = new int[3];
            test3[0] = 15;
            test3[1] = 15;
            test3[2] = 48;

            int[,] test4 = new int[2, 2];
            test4[0, 0] = 15;
            test4[0, 1] = 15;
            test4[1, 0] = 15;
            test4[1, 1] = 15;

            this.Application.Run("Sheet1.fillInteriorMulti", rg, test4,
                missing, missing, missing, missing, missing, missing, missing, missing, missing, missing,
                missing, missing, missing, missing, missing, missing, missing, missing, missing, missing,
                missing, missing, missing, missing, missing, missing, missing, missing);