DataGridViewColumnCollection.GetColumnCount(DataGridViewElementStates) Method
Definition
Important
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Returns the number of columns that meet the given filter requirements.
public:
int GetColumnCount(System::Windows::Forms::DataGridViewElementStates includeFilter);
public int GetColumnCount (System.Windows.Forms.DataGridViewElementStates includeFilter);
member this.GetColumnCount : System.Windows.Forms.DataGridViewElementStates -> int
Public Function GetColumnCount (includeFilter As DataGridViewElementStates) As Integer
Parameters
- includeFilter
- DataGridViewElementStates
A bitwise combination of the DataGridViewElementStates values that represent the filter for inclusion.
Returns
The number of columns that meet the filter requirements.
Exceptions
includeFilter
is not a valid bitwise combination of DataGridViewElementStates values.
Examples
The following code example illustrates how to use this method to get the number of selected columns.
private void selectedColumnsButton_Click(object sender, System.EventArgs e)
{
Int32 selectedColumnCount = dataGridView1.Columns
.GetColumnCount(DataGridViewElementStates.Selected);
if (selectedColumnCount > 0)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
for (int i = 0; i < selectedColumnCount; i++)
{
sb.Append("Column: ");
sb.Append(dataGridView1.SelectedColumns[i].Index
.ToString());
sb.Append(Environment.NewLine);
}
sb.Append("Total: " + selectedColumnCount.ToString());
MessageBox.Show(sb.ToString(), "Selected Columns");
}
}
Private Sub selectedColumnsButton_Click( _
ByVal sender As Object, ByVal e As System.EventArgs) _
Handles selectedColumnsButton.Click
Dim selectedColumnCount As Integer = dataGridView1.Columns _
.GetColumnCount(DataGridViewElementStates.Selected)
If selectedColumnCount > 0 Then
Dim sb As New System.Text.StringBuilder()
Dim i As Integer
For i = 0 To selectedColumnCount - 1
sb.Append("Column: ")
sb.Append(dataGridView1.SelectedColumns(i).Index.ToString())
sb.Append(Environment.NewLine)
Next i
sb.Append("Total: " + selectedColumnCount.ToString())
MessageBox.Show(sb.ToString(), "Selected Columns")
End If
End Sub
Applies to
See also
Σχόλια
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