【Spread Sheet 应用(四)】字节数入力限制
Imports FarPoint.Win.Spread
Dim enc As System.Text.Encoding
Dim WithEvents datamodel As Model.DefaultSheetDataModel
Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load
enc = System.Text.Encoding.GetEncoding("shift-jis")
datamodel = FpSpread1.Sheets(0).Models.Data
Dim tCell As New CellType.TextCellType
tCell.MaxLength = 10
FpSpread1.Sheets(0).Cells(0, 0).CellType = tCell
End Sub
Private Sub FpSpread1_EditChange(ByVal sender As Object, ByVal e As EditorNotifyEventArgs) Handles FpSpread1.EditChange
''編集中の入力制御
Try
If TypeOf (e.View.GetSheetView.ActiveCell.CellType) Is CellType.TextCellType Then
Dim tCell As CellType.TextCellType = e.View.GetSheetView.ActiveCell.CellType
Dim s As String = e.EditingControl.Text
If enc.GetByteCount(s) > tCell.MaxLength Then
e.EditingControl.Text = enc.GetString(enc.GetBytes(s), 0, tCell.MaxLength)
CType(e.EditingControl, CellType.GeneralEditor).SelectionStart = e.EditingControl.Text.Length
End If
End If
Catch
End Try
End Sub
Private Sub datamodel_Changed(ByVal sender As Object, ByVal e As Model.SheetDataModelEventArgs) Handles datamodel.Changed
''非編集状態でクリップボードから貼り付けした場合
If e.Type = Model.SheetDataModelEventType.CellsUpdated Then
Try
If TypeOf (FpSpread1.Sheets(0).ActiveCell.CellType) Is CellType.TextCellType Then
Dim tCell As CellType.TextCellType = FpSpread1.Sheets(0).ActiveCell.CellType
Dim s As String = datamodel.GetValue(e.Row, e.Column)
If enc.GetByteCount(s) > tCell.MaxLength Then
s = enc.GetString(enc.GetBytes(s), 0, tCell.MaxLength)
datamodel.SetValue(e.Row, e.Column, s)
End If
End If
Catch
End Try
End If
End Sub
Dim enc As System.Text.Encoding
Dim WithEvents datamodel As Model.DefaultSheetDataModel
Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load
enc = System.Text.Encoding.GetEncoding("shift-jis")
datamodel = FpSpread1.Sheets(0).Models.Data
Dim tCell As New CellType.TextCellType
tCell.MaxLength = 10
FpSpread1.Sheets(0).Cells(0, 0).CellType = tCell
End Sub
Private Sub FpSpread1_EditChange(ByVal sender As Object, ByVal e As EditorNotifyEventArgs) Handles FpSpread1.EditChange
''編集中の入力制御
Try
If TypeOf (e.View.GetSheetView.ActiveCell.CellType) Is CellType.TextCellType Then
Dim tCell As CellType.TextCellType = e.View.GetSheetView.ActiveCell.CellType
Dim s As String = e.EditingControl.Text
If enc.GetByteCount(s) > tCell.MaxLength Then
e.EditingControl.Text = enc.GetString(enc.GetBytes(s), 0, tCell.MaxLength)
CType(e.EditingControl, CellType.GeneralEditor).SelectionStart = e.EditingControl.Text.Length
End If
End If
Catch
End Try
End Sub
Private Sub datamodel_Changed(ByVal sender As Object, ByVal e As Model.SheetDataModelEventArgs) Handles datamodel.Changed
''非編集状態でクリップボードから貼り付けした場合
If e.Type = Model.SheetDataModelEventType.CellsUpdated Then
Try
If TypeOf (FpSpread1.Sheets(0).ActiveCell.CellType) Is CellType.TextCellType Then
Dim tCell As CellType.TextCellType = FpSpread1.Sheets(0).ActiveCell.CellType
Dim s As String = datamodel.GetValue(e.Row, e.Column)
If enc.GetByteCount(s) > tCell.MaxLength Then
s = enc.GetString(enc.GetBytes(s), 0, tCell.MaxLength)
datamodel.SetValue(e.Row, e.Column, s)
End If
End If
Catch
End Try
End If
End Sub
【推荐】国内首个AI IDE,深度理解中文开发场景,立即下载体验Trae
【推荐】编程新体验,更懂你的AI,立即体验豆包MarsCode编程助手
【推荐】抖音旗下AI助手豆包,你的智能百科全书,全免费不限次数
【推荐】轻量又高性能的 SSH 工具 IShell:AI 加持,快人一步
· 基于Microsoft.Extensions.AI核心库实现RAG应用
· Linux系列:如何用heaptrack跟踪.NET程序的非托管内存泄露
· 开发者必知的日志记录最佳实践
· SQL Server 2025 AI相关能力初探
· Linux系列:如何用 C#调用 C方法造成内存泄露
· 无需6万激活码!GitHub神秘组织3小时极速复刻Manus,手把手教你使用OpenManus搭建本
· Manus爆火,是硬核还是营销?
· 终于写完轮子一部分:tcp代理 了,记录一下
· 别再用vector<bool>了!Google高级工程师:这可能是STL最大的设计失误
· 单元测试从入门到精通
2006-12-22 【EXCEL】数据制作技巧