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【VSTO】エクセルを開いたとき、シートがアクティブになったときのイベント処理

Last updated at Posted at 2018-03-16

VSTOをはじめて作ってみたので、それのメモ

環境

C#

イベント処理

ThisAddIn.cs
//(省略)
        private void ThisAddIn_Startup(object sender, System.EventArgs e)
        {
            this.Application.WorkbookActivate += Application_Active;
            this.Application.SheetActivate += Sheet_Active;
        }
        void Application_Active(Excel.Workbook wb)
        {
            //起動時の処理を書きます~
            Excel.Worksheet activeWorksheet = ((Excel.Worksheet)Application.ActiveSheet);
            MessageBox.Show(activeWorksheet.Name, string.Empty, MessageBoxButtons.OK, MessageBoxIcon.Information);
        }

        void Sheet_Active(object sh)
        {

            //シートアクティブの処理を書きます~
            Excel.Worksheet activeWorksheet = ((Excel.Worksheet)Application.ActiveSheet);
            MessageBox.Show(activeWorksheet.Name, string.Empty, MessageBoxButtons.OK, MessageBoxIcon.Information);
                
        }
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