private void saveAsBtn_Click(object sender, EventArgs e)
{
double[,] A;
double[,] B;
DialogResult Result;
DGV1.EndEdit();
DGV2.EndEdit();
A = ReadFromDGV(ref DGV1);
B = ReadFromDGV(ref DGV2);
Result = SFD.ShowDialog();
try
{
if (Result == DialogResult.OK)
{
File.Delete(SFD.FileName);
StreamWriter FileFromTable = new StreamWriter(SFD.FileName);
SaveFileStream(A, B, FileFromTable);
CurrentOpenFileName = SFD.FileName;
this.saveBtn.Enabled = true;
MatrixUnsavedChangesDone = false;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
this.Cursor = Cursors.Arrow;
}
}
private void triangular_Click(object sender, EventArgs e)
{
double[,] A;
double[,] B;
if (((Button)sender).Name == "triangularA")
{
DGV1.EndEdit();
A = ReadFromDGV(ref DGV1);
B = MatrixTriangularForm(A);
if (B != null)
{
OutputWindow otpWin = new OutputWindow();
otpWin.Show();
WriteToDGV(ref otpWin.otpDGV, B);
}
}
else if (((Button)sender).Name == "triangularB")
{
DGV2.EndEdit();
A = ReadFromDGV(ref DGV2);
B = MatrixTriangularForm(A);
if (B != null)
{
OutputWindow otpWin = new OutputWindow();
otpWin.Show();
WriteToDGV(ref otpWin.otpDGV, B);
}
}
}
private void saveBtn_Click(object sender, EventArgs e)
{
double[,] A, B;
DGV1.EndEdit();
DGV2.EndEdit();
A = ReadFromDGV(ref DGV1);
B = ReadFromDGV(ref DGV2);
if (CurrentOpenFileName == "")
{
SFD.ShowDialog();
CurrentOpenFileName = SFD.FileName;
}
try
{
File.Delete(CurrentOpenFileName);
StreamWriter FileFromTable = new StreamWriter(CurrentOpenFileName);
SaveFileStream(A, B, FileFromTable);
MatrixUnsavedChangesDone = false;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
this.Cursor = Cursors.Arrow;
} // : DGV1.BackgroundColor = Color.LightGreen
}
private void openBtn_Click(object sender, EventArgs e)
{
DialogResult Result;
DGV1.EndEdit();
try
{
Result = OFD.ShowDialog();
if (Result == DialogResult.OK)
{
StreamReader FileToOpen = new StreamReader(OFD.FileName);
OpenFileStream(FileToOpen);
CurrentOpenFileName = OFD.FileName;
txtRowCount1.Text = DGV1.RowCount.ToString();
txtColumnCount1.Text = DGV1.ColumnCount.ToString();
this.saveAsBtn.Enabled = true;
this.saveBtn.Enabled = true;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
this.Cursor = Cursors.Arrow;
}
}
private void reverse_Click(object sender, EventArgs e)
{
double[,] A;
double[,] B;
if (((Button)sender).Name == "reverseA")
{
DGV1.EndEdit();
A = ReadFromDGV(ref DGV1);
B = InverseMatrix(A);
if (B != null)
{
OutputWindow otpWin = new OutputWindow();
otpWin.Show();
WriteToDGV(ref otpWin.otpDGV, B);
}
}
else if (((Button)sender).Name == "reverseB")
{
DGV2.EndEdit();
A = ReadFromDGV(ref DGV2);
B = InverseMatrix(A);
if (B != null)
{
OutputWindow otpWin = new OutputWindow();
otpWin.Show();
WriteToDGV(ref otpWin.otpDGV, B);
}
}
}
private void swapBtn_Click(object sender, EventArgs e)
{
double[,] A;
DGV1.EndEdit();
DGV2.EndEdit();
A = ReadFromDGV(ref this.DGV1);
CopyDGV(ref DGV2, ref DGV1);
WriteToDGV(ref DGV2, A);
MatrixUnsavedChangesDone = true;
}
private void btnMultiply_Click(object sender, EventArgs e)
{
double x;
double[,] A;
double[,] B;
if (((Button)sender).Name == "btnMultiplyA")
{
DGV1.EndEdit();
A = ReadFromDGV(ref DGV1);
if (txtMultiplyA.Text == "")
{
MessageBox.Show("Enter the value for the number 'x'.", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
else if (txtMultiplyA.Text == "-")
{
MessageBox.Show("Incorrect value. Field 'x' contains an invalid character.", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
else
{
x = Convert.ToDouble(txtMultiplyA.Text);
B = MultiplicationByNumber(A, x);
OutputWindow otpWin = new OutputWindow();
otpWin.Show();
WriteToDGV(ref otpWin.otpDGV, B);
}
}
else if (((Button)sender).Name == "btnMultiplyB")
{
DGV2.EndEdit();
A = ReadFromDGV(ref DGV2);
if (txtMultiplyA.Text == "")
{
MessageBox.Show("Enter the value for the number 'x'.", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
else if (txtMultiplyA.Text == "-")
{
MessageBox.Show("Incorrect value. Field 'x' contains an invalid character.", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
else
{
x = Convert.ToDouble(txtMultiplyB.Text);
B = MultiplicationByNumber(A, x);
OutputWindow otpWin = new OutputWindow();
otpWin.Show();
WriteToDGV(ref otpWin.otpDGV, B);
}
}
}
private void multiplyBtn_Click(object sender, EventArgs e)
{
double[,] A;
double[,] B;
double[,] C;
DGV1.EndEdit();
DGV2.EndEdit();
A = ReadFromDGV(ref DGV1);
B = ReadFromDGV(ref DGV2);
C = MatrixMultiplication(A, B);
if (C != null)
{
OutputWindow otpWin = new OutputWindow();
otpWin.Show();
WriteToDGV(ref otpWin.otpDGV, C);
}
}
private void transposed_Click(object sender, EventArgs e)
{
double[,] A;
double[,] B;
if (((Button)sender).Name == "transposedA")
{
DGV1.EndEdit();
A = ReadFromDGV(ref DGV1);
B = MatrixTransposition(A);
WriteToDGV(ref DGV1, B);
}
else if (((Button)sender).Name == "transposedB")
{
DGV2.EndEdit();
A = ReadFromDGV(ref DGV2);
B = MatrixTransposition(A);
WriteToDGV(ref DGV2, B);
}
MatrixUnsavedChangesDone = true;
}
private void substractBtn_Click(object sender, EventArgs e)
{
int m;
int n;
int k;
int l;
double[,] A;
double[,] B;
double[,] C;
DGV1.EndEdit();
DGV2.EndEdit();
m = DGV1.RowCount;
n = DGV1.ColumnCount;
k = DGV2.RowCount;
l = DGV2.ColumnCount;
if (m != k & n != l)
{
MessageBox.Show("The dimensions of the matrices do not match. ", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
else if (m == k & n == l)
{
A = new double[m, n];
B = new double[m, n];
C = new double[m, n];
A = ReadFromDGV(ref DGV1);
B = ReadFromDGV(ref DGV2);
for (int i = 0; i <= m - 1; i++)
{
for (int j = 0; j <= n - 1; j++)
{
C[i, j] = A[i, j] - B[i, j];
}
}
OutputWindow otpWin = new OutputWindow();
otpWin.Show();
WriteToDGV(ref otpWin.otpDGV, C);
}
}
private void detBtn_Click(object sender, EventArgs e)
{
double[,] A;
DGV1.EndEdit();
if (((Button)sender).Name == "detABtn")
{
A = ReadFromDGV(ref DGV1);
if (A != null)
{
txtDetA.Text = ((int)MatrixDeterminant(A)).ToString();
}
}
else if (((Button)sender).Name == "detBBtn")
{
A = ReadFromDGV(ref DGV2);
if (A != null)
{
txtDetB.Text = ((int)MatrixDeterminant(A)).ToString();
}
}
}