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  • Dvexpress XtraGrid 如何在行中拖选,选中多行?

    [C#代码]

    private void SelectRows(GridView view, int startRow, int endRow) {
        if(startRow > -1 && endRow > -1) {
            view.BeginSelection();
            view.ClearSelection();
            view.SelectRange(startRow, endRow);
            view.EndSelection();
        }
    }

    private int GetRowAt(GridView view, int x, int y) {
        return view.CalcHitInfo(new Point(x, y)).RowHandle;
    }

    private int StartRowHandle = -1;
    private int CurrentRowHandle = -1;


    //以下是事件函数,需要根据相应的gridview绑定。

    private void gridView1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) {
        StartRowHandle = GetRowAt(sender as GridView, e.X, e.Y);
    }

    private void gridView1_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e) {
        int newRowHandle = GetRowAt(sender as GridView, e.X, e.Y);
        if(CurrentRowHandle != newRowHandle) {
            CurrentRowHandle = newRowHandle;
            SelectRows(sender as GridView, StartRowHandle, CurrentRowHandle);
        }
    }

    private void gridView1_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e) {
        StartRowHandle = -1;
        CurrentRowHandle = -1;
    }

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  • 原文地址:https://www.cnblogs.com/shaoming01/p/dragandslelectmuiltirows.html
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