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[an error occurred while processing this directive]// pb : PictureBox private void btn_Click(object sender, System.EventArgs e){ // Graphics オブジェクトの取得 pb.Image = new Bitmap(pb.Width, pb.Height) ; Graphics g = Graphics.FromImage(pb.Image) ; // Pen pen = new Pen(Color.Magenta) ; // 塗りつぶし四角形 SolidBrush brush = new SolidBrush(Color.DarkBlue) ; g.FillRectangle(brush, 0, 0, 20, 20) ; // 文字列 Font font = new Font("Arial", 20.0) ; g.DrawString("Hello", font, brush, 20, 0); }
int[][] A = new int[10][]; A[0] = new int[10]; for(int i = 0; i < A[0].Length; i++){ Console.Write(A[0][i] + ","); }
int[,] A = new int[2,2]; Console.WriteLine(A[0,0]); for(int i = 0; i < A.GetLength(0); i++){ for(int j = 0; j < A.GetLength(1); j++){ Console.Write(A[i,j] + ","); } }
int[][] A = new int[][]{new int[]{1,2,3},new int[]{1,3}}; int[][] A = {{1,2,3},{1,3}};
string text = "{0},{1}", A[0], A[1];